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Find Local Basement Conversion Company Near Me in Havering, London

There are 427 Cellar & Basement Conversion specialists in Havering, and last month we helped homeowners get quotes for their home improvement jobs.

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Quebuild London Ltd offers a full building service with every aspect of works covered no matter the scale or scope of works to both residential and commercial buildings.We also provide proactive and reactive maintenance packages with 24/7 one hour service for emergency call outs.We pride ourselves on using only highly skilled and courteous tradesmen with all trades in house so as a company we have full control of our projects. From your initial meeting with one of our knowledgeable estimators who provide fixed price detailed estimates to completion of works overseen by amazing management our clients needs are paramount,this ensures a streamlined service with quality controlled finishes beyond the industry standard. We have full public liability insurance with all risk assessments and method statements in place at all times no matter the size of works for peace of mind for us as a company but more importantly you as our client.

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Reviewed by Tom on 3/8/2024

John at Quebuild went above and beyond for us on this job. He completed all the work in a timely manner and for a very reasonable price. He was super knowledgeable and extremely attentive to detail, making sure to leave a high quality finish in terms of decoration - and he came back afterwards to address a few small things that needed doing. He was also a pleasure to have around - and I would highly recommend him for any other work. 10/10.

We are a small company, specialising in supplying quality workmanship, to customers, all our installers have aquiared many years of experience, this includes electrician, carpenters, painters, floor layers , we specialise in garage conversions, and refurbishment work ,

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Reviewed by Sybil on 19/7/2025

DO NOT USE THIS BUILDERS THEY ARE ROUGH TRADERS

????? Service Introduction – Carpentry & Roofing STANART Construction Limited Hi! My name is Stan ,and I lead a skilled and reliable team with 12 years experience in carpentry and construction work We provide complete, high-quality services for both small and large projects, indoors and outdoors. Our specializations include: ?? Carpentry work – doors, windows, stairs, custom furniture, terraces, pergolas, wardrobes ?? Roofing – full roof installation, repairs, renovation, timber framing, tiles/shingles, gutter systems ?? Organized, well-equipped team – ready to handle complex projects to a high standard ?? Punctual, clean work and clear communication throughout the job CSCS Level 2

We have over 12 years experience in internal plastering and external rendering. We cover all aspects of plastering including Venetian (polished plaster) and microcement.

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Reviewed by Viktors on 18/11/2024

the worst job ever i have seen i hired anthony as a professional to do some finishing touches on venetian plaster but he didnt do it he took a deposit then he disappeared for three weeks telling stories that he was sick or he didn't have time when he finally came to do the job he did it even worse than before came with one can of filler and made my walls a ugly color arguing that they couldn't be done better didn't return the deposit! i don't recommend it to anyone, do not pay deposit this person

We as a company we take on all roof, pitch or flat and lead roofs. We also do all lead work and lead welding. No job is to big or small for us we cover all new roofs and repair. We take on all work we do all fascia and guttering as well. We do gutter and fascia cleaning. We like to help everyone out so if you want any advice or a free quote please get in touch. We done all kinds of building work from garden wall to extensions we do all landscaping and patio. We can do all your fencing. Weather it is a small job or a big job we will look after you all through the process ?? Many thank from G.Scott roofing and building services

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Reviewed by Joez on 27/9/2025

Full property renovations, extensions, loft conversions, outbuildings & more.

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Reviewed by Dominic on 5/7/2024

Andre and team did a great job with the shed /summerhouse construction, and were very accommodating with the request to build it at short notice ( (within 5 days) and alter the layout of the building to meet our requirements. Also were very friendly and professional. Reasonably priced too. Would recommend.

Welcome to Sparks fabrication where we combine over 15 years of industry expertise with a commitment to exceptional customer service. We provide free quotations, ensuring transparency and informed decision-making for all projects. Our focus on reliability, trustworthiness, and quality of work sets us apart, with references available to attest to our dedication. Specializing in grills, gates, railings, bespoke furniture, staircases, mezzanine floors, and more, we pride ourselves on bringing your vision to life. Contact us today to experience craftsmanship and service of the highest standard.

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Reviewed by Nicholas on 11/4/2024

Reliable and excellent work.

LD Design & Build is a trusted construction company specializing in a wide range of services to meet the needs of both residential and commercial clients. With a focus on quality and attention to detail, we offer expert plastering and rendering, painting and decorating, plasterboard installation, as well as handyman and carpentry services. Whether you're renovating a single room or undertaking a large-scale project, our skilled team is committed to delivering superior craftsmanship and exceptional customer service every step of the way. At LD Design & Build, we take pride in transforming spaces and ensuring our clients' vision comes to life with precision and care.

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Reviewed by Scott on 30/11/2025

S&D Construction Services is a premier general construction business with over of 23 years of Experience in the construction industry, we have established ourselves as a leader in delivering comprehensive construction services with a wide range of sectors including residential and commercial projects across London Our mission is to provide exceptional construction services and client-focused approach to every project we undertake

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Reviewed by Richard on 11/2/2026

Nicolae was great to work with, very accommodating, quick and unphased by bad weather. Did an excellent job with the blockwork at a good price and a good job with the plastering, which was little bit more expensive, but worth the assurance of having the same person do both jobs. Would recommend for similar, quick turnaround jobs.

Dear Customer, We are a construction company with over 25 years experience. We undertake all aspects of building work, including new builds, extensions, lofts, total renovations, new bathroom and kitchens. All work guaranteed and certified for, GasSafe and NiCEiC approved on completion.

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Reviewed by John on 28/1/2026

We got Kingston Surrey Construction in to undertake a full ensuite refurbishment after too many leaks and drips over the years. They provided a competitive quote and were available to undertake the work quickly to suit our needs. They worked at a steady pace with a focus on doing it right rather than doing it quickly. Their communication was good and they were as tidy as you can be with such a job. Overall we are very pleased with the outcome of the work, many thanks.

Over 15 years in trade Fully qualified gold ECS CARD Managers black card ESC CARD Very honest and reasonable prices

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Reviewed by Christine on 11/2/2026

Miles was quick to call me and able to attend the same day. He was friendly and efficient and managed to fix the problem straight away. So all was resolved a few hours after I posted the job. I would recommend, and would use MJB Electrical again.

hello, I am a responsible person, I have more than 10 years of experience in construction, painting and decorating, flooring, tiling, carpentry, plumbing, and more... I do my best to keep the client happy... contact me if you want a good quote for your work! I Regards:ION

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Reviewed by Tracey on 8/2/2026

We are very happy with the refitted Kitchen and all bedrooms redecorated, and carpet Ion laid for us. Ion was reliable, hard working, efficient, friendly, and keen to help us ensure we had the right kitchen, and bedroom redecoration for our needs. Ion took pride in his work, and ensured it was finished to a high quality, and completed it in a timely manner. Thank you Ion, we will definitely be using you, for further work .

I've been working in the maintenance Industry for the past 19 years and i've worked for 6 different councils in London, I've been trading since 2012 with this company.

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Reviewed by Mohammed on 9/2/2026

I have a unique blend of technical expertise and hands-on renovation and refurbishment skills, I deliver exceptional results for discerning homeowners. My dual background in software engineering and construction enables me to tackle both traditional renovation work and modern home technology integration. Core Expertise - Complete property renovations - Full or partial refurbishment - Kitchen and bathroom installations - Carpentry and joinery - Furniture assembly and mounting - Professional tiling and plumbing - Home network and connectivity solutions Professional Background As a property renovator, I bring 17 years of technical engineering experience to every project. My training covers carpentry, joinery, kitchen fitting, tiling, and plumbing. This foundation, combined not only with my field service engineering experience at Virgin and BT Openreach, but also, my extensive software engineering background allows me to approach each project with both technical precision and practical know-how. I enjoy working with my hands - fixing, mounting, and assembling, as it helps clear my mind and keeps me active. Equally, I thrive on using my analytical skills to solve complex challenges and devise innovative solutions. Whether it's a technical challenge or a practical task, I bring efficiency to every project. I'm looking forward to helping you.

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Reviewed by Matthew on 22/8/2025

Antoine kept me informed about when he would arrive. He carefully prepared all work areas and wore protective slips when walking around my home. He was courteous. A job well done - thank you, Antoine.

R&D CONSTRUCTION IS A PROFESSIONAL DESIGN AND BUILDING COMPANY SPECIALISING IN ARCHITECTURAL DESIGN AND PROJECT MANAGEMENT FOR RESIDENTIAL AND COMMERCIAL PROPERTIES, ALSO A WIDE RANGE OF CONSTRUCTION, DEVELOPMENTS AND REFURBISHMENTS. We Carry out all type of construction and to us no job is a small job and by that we mean we would be happy to take your various jobs in our hands. We provide the following list of the building services: New Build Property Refurbishment Loft Conversion House Extensions Flat Conversion Driveway & Patio Bricklaying & Re-pointing Kitchen & Bathroom Roofing & Guttering Plastering & Tiling Carpentry & Joinery Painting & Decorating Plumbing & Electrical Central Heating & Under Floor Heating Design We believe a great design is simple and not only how it feels or looks but also how it works. We provide Architectural and Interior Design and Engineering Services: Initial Concept Design Basic Drawings for Planning Application & Application Management Existing & Proposed Floor Plans, Elevations and Sections Site Plans and Block Plans (OS map/ Location Plan) Detailed Architectural Design 3D Concept and Visualisation Design Interior Furnishing, Materials & Fabrics Lighting Design Bills of Quantities (BOQ) 3D Interior Visualisation Design 3D Interior Visualisation Design Building Control package Drawings & Application Management

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Reviewed by Jade on 12/1/2026

Daniel was brilliant. He came quickly, and was determined to. get a tricky plumbing job (very hard to reach pipe) done. He even went out to get a part and stayed until the work was done. He was polite, hard working and a great communicator. Highly recommended!

LITA CONTRACTORS LTD We are a family owned construction company with over 10 years of successful commercial and residential building projects. Based in London, we help clients with all kinds of construction needs, with existing plans or brand-new designs and solutions. Some of our services include: - Ground work - Drainage - Basements - First Fix & Second Fix - Kitchen & Bathroom Fit Out - RC Frame & Steel Frame We are specialised in delivering reliable and best quality services that will last a generation.

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Reviewed by Mohammed on 9/2/2026

SKG CONSTRUCTION LTD is a family run company with over 20 years of experience in creating high quality loft conversion, Extensions, complete home renovations. We offer a full package from conception through to completion. Our services range from providing you with your architectural drawings, involving buildings regulations and obtaining the necessary planning permissions through to allocating you a construction team and issuing a full guarantee for the completed project. Our loft conversion, Extension architects offer cutting edge design solution and will work closely with you to maximise the space without compromising on quality. They will guide you through the whole process. Catalin will ensure smooth running of the project, being on hand every step of the way making sure projects is delivered on time and most importantly on budget. We’ve perfected the loft conversion, extensions over the years to keep it as simple as possible from start to finish, making sure your aware every step of the way. We offer a 10 years insurance backed guarantee on all major works carries out by SKG CONSTRUCTION LTD all work is fully insured comes with a 10 years workmanship warranty. we carry out all types of building works Loft, Extensions, home renovations, tiling, flooring, plumbing, painting, rendering, brickworks, plastering, carpentry, roofing, steel structural works

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Reviewed by Sean on 16/8/2025

We have been working at this trade for over 15 years. My company and works people hold a number of different NVQ qualifications such as electrical, engineering, railway engineer, civil engineering. We take customer service very seriously and we ensure to reply as soon as possible when someone contacts us. We also ensure we give a fair deal for a great service in return.

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Reviewed by Sean on 2/4/2025

We hired Cani Building Services to replace the front stairs and pathway of our Victorian home with granite pavers in the spring of 2025. When evaluating the builders it was important to us that we found somebody who was professional, reliable, and detail-oriented. Durim offered a competitive quote and promptly started work. ?He completed our job to a high level of quality within a week’s time, and we are very pleased with the outcome. We would absolutely recommend his services to others!

HELLO. MY NAME IS GRIGORE CHIS A MULTI TRADESMAN WITH MAIN TRADE CARPENTRY, JOINERY WHO WORKS IN PARTENERSHIP WITH 4 OTHER PROFESIONALS. WE COVER A LARGE RANGE OF TRADES LIKE CARPENTRY, ELECTRICITY, TILING, PLASTERING, PAINTING, PLUMBING.

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Reviewed by Alisa on 25/11/2023

Fast response; prompt communication; understood parameters and limitations; completed job super well and quickly. Intend to hire again for a number of jobs.

Sinevir Construction is your trusted partner in construction with over 15 years of experience. We offer a full range of services, including plumbing, tiling, bricklaying, plastering, carpentry, bathroom installations, and building homes from the ground up. We guarantee high quality, adherence to standards, and timely project completion. Our team of professionals uses the best materials and advanced technologies to ensure durability and reliability. We also provide competitive prices, offering an excellent balance of quality and cost. We value open collaboration and consider all your preferences at every stage of the project. Clients choose us for our professionalism, accuracy, and commitment to quality. With Sinevir Construction, your construction dreams become reality, backed by superior results and the best fair pricing.

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Reviewed by Raz on 28/9/2025

Outstanding job. Completely transformed the space. The guys were flexible (with my availability), worked really hard and kept me informed throughout the process. Will definitely get them in again to quote on other work I need to have done.

“I am a versatile handyman with expertise in a wide range of home repairs, maintenance tasks, and gardening services. From fencing repairs, build,patio and paving to carpentry and painting, I bring a strong attention to detail and craftsmanship to every project. With my 5 years experience on private jobs,and all the customers been very happy about my services, i am pleased to introduce my self with confidence and enthusiasm! Additionally, I have experience in gardening, including landscaping, plant care, and garden maintenance. I am committed to delivering high-quality work that ensures both your home and outdoor spaces look their best.” I am new on this site,app, and I don’t have any reviews yet, but definitely they will come!

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Reviewed by Saqib on 24/1/2026

G Greaves carpentry and building services of the complete package from new builds to residential cleaning,we cater for all our clients needs across London and Essex. Carpentry specialists. 17 years experience Fully qualified and certified operatives. All building and maintenance works undertaken. Fully insured. Guaranteed work.

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Reviewed by Bruce on 29/12/2025

George did an excellent job repairing the flashing on my porch roof and waterproofing my gutter. He was precise on exactly what work he was going to do, he gave me a reasonable price and he is always polite and clear in his communications. I would have no hesitation in recommending George for roofing work.

AD Renovations & Construction Ltd is a group of creative/professional bathroom fitters who provide cost effective services. With over 24 years of experience our team has worked with a wide range of clients. We will take full responsibility for the bathroom renovation project,handling all stages from planning through completion,and keep an open line of communication with you at all the time. -Professional and experienced staff -Deliver project on time and on budget

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Reviewed by Bayo on 21/10/2025

Disappointed to say the least, Anna got in touch after we posted our job advert, she ask for further lead on a job that was urgent fix to a leak for us, sent all additional requested info on job lead to her and she never got back or even bother to send someone out as agreed, extreamly poor customer service for a start and i definately wont recommend

we are experience refurbishment contractors. we are reputable and reliable builders, established since 2010 and over 20years experience in building trade. using our skill and materials, we are eager to ensure that our customers are completely satisfied.

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Reviewed by Frances on 30/11/2025

Best tradesperson I've ever hired. Does the job right and really pays attention to the details. Can't recommend highly enough.

Family business with over 30 years experience in home extensions and loft conversions, bathrooms, resin bound driveways and many more . All works are carried out by our professional team from start to finish. We undertake all aspects of extensions in the Kent and London area. No

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Reviewed by Emma on 17/8/2024

I'm very pleased with the work the guys did. They were friendly, tidy and considerate. I definitely would use them again, good job guys :-)

A&K Contractors are experienced specialists in bathroom installations and full house refurbishments. We offer a complete start-to-finish service, ensuring projects are well planned, well managed, and completed to a high standard. We understand how important trust is when choosing a tradesperson. That’s why we focus on clear communication, punctuality, and keeping your home clean and tidy throughout the work. Every job is carried out with attention to detail and respect for your property. Why choose A&K Contractors: • Professional planning and preparation • Clean, tidy, and organised working practices • High-quality finishes • Polite, punctual, and reliable service • Honest pricing and excellent value for money Customer satisfaction is our priority, and we take pride in delivering results that clients are happy to recommend.

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Reviewed by Elena on 20/1/2026

Chris and his team delivered excellent service. They were honest, clear, and communicated regularly. The rubbish was removed on the evening of the last day of work, and my bathroom looks fantastic.

Our building services company RMR Building & Renovation Ltd has over 15 years’ experience in the industry. We have been helping customers in Essex and the surrounding 20-mile radius by providing professional, trustworthy building services. We know it can be hard to find a builder that you can rely on RMR Building & Renovation Ltd has a wealth of experience and is known as one of the best builders in Essex. We pride ourselves on providing a professional, caring and high-quality service and always meet our customers’ needs. RMR Building & Renovation Ltd delivers on timekeeping, quality of work and value. We offer a full range of building services, from major rebuilds to smaller jobs such as masonry repairs, including: New Builds Alterations, Extensions & Conversions Brickwork Concrete Plastering & Screeding Tiling Painting & Decorating Kitchens & Bathrooms Roofing Services Re-pointing Septic Tanks Excavation Services Soakaways Foundations External Works Drainage If you are trying to find a builder near you, why not give us a call? Our friendly, professional team will be happy to talk through your needs and give you a free, no-obligation quote.

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Reviewed by Geethumol on 31/7/2024

Professional, quality work,worth money

WHO WE ARE Viv Construct Group provide a variety of professional groundwork services. We carry out all forms of groundworks construction: underpinning, reinforcing concrete, Driveway Tarmacing, Road Forming, Pavement Tarmacking, Concrete Driveways, Concrete Pavements, Garden Maintenance, Front Patios, Garden Patios, Swimming Pool Slab Laying, Driveway Slab Laying, Drainage, Ducting, Landscaping, Footpath Resin Bound, Drop Kerb and more. What sets us apart is our unwavering commitment to professionalism and efficiency. Our highly skilled team utilises the latest equipment and follows industry best practices to ensure that every project is completed to the highest standards. We prioritise safety at every step, adhering to all regulations and guidelines to create a secure working environment for our team and clients alike. Check out our site https://vivconstruct.com We are one of the leading groundwork Cambridge based and have decades of experience working with the wide variety of buildings that are found in Cambridgeshire. We work with: buildings of different ages, different types of buildings with different forms of construction, and all shapes and sizes, as you would expect in a historical city like Cambridge. We provide a variety of professional services from getting the ground ready for new construction work to repairing and reinforcing existing buildings. We carry out all forms of groundworks construction: underpinning, reinforcing concrete, Driveway Tarmacing, Road Forming, Pavement Tarmacking, Concrete Driveways, Concrete Pavements, Garden Maintenance, Front Patios, Garden Patios, Swimming Pool Slab Laying, Driveway Slab Laying, Drainage, Ducting, Landscaping, Footpath Resin Bound, Drop Kerb and more. We want to give our best at all times so we are assessing our work and looking for any improvements that can be made.

Well established family run building company based in London,we have built a strong relationships with well known building societies across the London due to our quality and trustworthy service High quality levels of work in major building projects,we specialise in planning and design,project management and general building services

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Reviewed by john on 9/11/2025

5 star

Hi we been doing these jobs for last 20 years .what are the company does ! hard landscaping and soft Landscaping? brickwork paving and patios wooden and Concrete sheds ?fencing general tidy and drainage? And driveways?. Please give us a try you’re not going to be disappointed as you can see all my Your writing is five star thank you?

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Reviewed by Dave on 26/7/2024

Shpend and his team did a great job for us. Really good value for money, and great quality of work. He was very professional and gave his expert advice when needed to help decide on best approach in resolving pre-existing issues. We would definitely use this company again.

Choose To Build Ltd are a hard working and friendly team that have 15+ years experience. We specialise in refurbishments and new builds. We have taken on and complete a range of different projects such as loft conversions , rear and side extensions and all internal building works. Choose To Build undertake any jobs big or small.

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Reviewed by narendra on 18/12/2023

Adrian the owner was very helpful and understanding the job was perfectly completed The estate agent who looks after the flat for me was very pleased and has added Adrians company to their list for recommendations to other landlords The bathroom looks very modern and has added value to the property I would recommand Adrian for a job well done

King Plumbing & Heating

Cellar & Basement Conversion in Havering

I am a independent Plumbing and heating Engineer, I have been in the field for around 8 years. I take my work seriously and take pride in my work, and want to be of best service to each customer I meet. thanks wayne

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Reviewed by Gary on 23/7/2023

Excellent service!

QI Building Solutions Ltd

Cellar & Basement Conversion in Havering

QI Building Solutions is a construction and design company with over a decade of experience in the sector, servicing the areas of Essex, Kent, and London. We are known for our meticulous work, responsible attitude, commitment to deadlines, and attention to detail. Our Services: 1. Dry lining If you’re looking for a dry lining contractor in the area of London, Kent, or Essex, you don’t need to look any farther than us. We have over 8 years of experience installing lightweight cold rolled steel structures, metal frame partitioning, and suspended plasterboard and gridded ceilings systems. We recognize these complex finishes need to be installed carefully so that your project is completed to the superior standard you deserve. Our team of installers and managers ensures our clients’ peace of mind. Everybody we work for can rest assured that we’re able to carry out any dry lining project as instructed. 2. Plastering / Tape and jointing QI Building Solutions offers plastering/tape and jointing services for commercial and residential projects. Our efficient, professional team ensures a finish of exceptionally high standards irrespective of the complexity of the work. As some dust can be created as you sand down in the process of tape and jointing, we utilize dust extractors to keep that down to a minimum. It is fitted to a drywall sander and makes sure the work environment will remain pleasant and risk-free. We also offer great rates and work with the highest-quality materials, such as Knauf and British Gypsum. Of course, our clients are more than welcome to choose the materials and manufacturer – we are happy to work with your selected brand! 3. Tiling With over a decade of experience, QI Building Solutions has a spotless reputation (to quote the great Shakespeare) in this field. The reason is because we deliver superior work, incorporating everything from offices and small retail sites to complicated residential buildings. Please know that no job is too big or too small for us! Qualifications Our team carry the necessary City and Guilds/NVQ qualifications to carry out their jobs. Our qualified supervisors have passed SSSTS training. Insurance For your peace of mind as well as our own, we have £5 million public liability insurance and £5 million employer’s liability insurance.

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Reviewed by Raj on 29/6/2018

Build of custom tv enclosure executed to perfection. Turned out to be a lot better than expected and would definitely recommend to others.

F&M CONSTRUCTION

Cellar & Basement Conversion in Havering

As 10 years experienced with my team of great builders to provide my clients with the Design and Build service: * Extension Builder * Loft Conversion Specialist * New Home Builder * Conversion Specialist * Restoration & Refurb Specialist * Paint & Decoraters * Plumbing & Heating * Kitchen Fitter * Bathroom Fitter * Flooring Fitter * Tiler * Electrician * Insulation Installer * Bricklayer * Groundworker * Architectural Designer * Plaster * Roofer * Garden, Landscaping & Fencing

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Reviewed by julia on 8/8/2020

Very happy with the gardening work. Also various other work around the house that he undertook for me. Very accommodating. I will be using this company again

Iosip Construction

Cellar & Basement Conversion in Havering

Welcome to Iosip Construction, where craftsmanship meets dedication! Founded by Ioan, with over 16 years of construction experience in both England and Romania, we take pride in delivering exceptional quality and unmatched expertise in the construction industry. At Iosip Construction, we are committed to hard work, ensuring that every project is executed with precision and excellence. The services we offer include: - Extension construction - Loft conversion - Porch construction - All aspects of Rendering & Plastering - Tiling - Full House Refurbishment What sets Iosip Construction apart is not only our wealth of experience but also our unwavering commitment to customer satisfaction. We strive to make the construction process enjoyable for our clients by providing transparent communication, reliable timelines, and, most importantly, by ensuring that you are delighted with the final outcome. Our experienced team of five professionals is dedicated to delivering high-quality results in each of these services. From expanding living spaces to enhancing the aesthetic appeal of your home, Iosip Construction is your trusted partner in construction excellence.

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Reviewed by Dewang on 10/10/2017

Excellent tradesman with very good skills and very reasonable. The quality of the work is very good and people are also trustworthy.

CRE8TIVE Contractors Limited is a proud member of the federation of master builders and TrustMark. We are a complete building service covering all aspects of building trade from footings to finishings. We thrive on our quality and attention to detail. From bathroom/kitchen renovations to full extensions and loft conversions.

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Reviewed by Ariane on 8/9/2022

Eric, Tony and Paul were excellent builders. Very hard working, super respectful and reliable. They were able to start quickly and worked hard to get it done within 2 weeks. I would highly recommend them! It was refreshing to work with professionals like that!

RCBS LIMITED

Cellar & Basement Conversion in Havering

RCB Group Design and Build – Turning Your Vision into Reality At RCB Group Design and Build, we specialize in residential, commercial, and bespoke construction services. With 60+ years of combined experience, our team is committed to delivering exceptional craftsmanship, transparent pricing, and seamless project management from start to finish. Our Services Include: Design & Build: We manage your project from concept to completion, ensuring timely delivery and flawless results. Home Extensions & Loft Conversions: Maximize your space with custom-designed extensions and loft conversions that add both value and functionality. Renovations & Refurbishments: Tailored solutions for updating or transforming any part of your home or commercial property. Commercial Projects: Office fit-outs and retail space renovations designed to meet your business needs. Bespoke Design & Build: We specialize in custom homes and commercial spaces that reflect your unique vision and functional needs. Why Choose RCB Group Design and Build? 60+ Years of Experience: Our senior management team brings decades of expertise, ensuring high-quality results across residential, commercial, and bespoke projects. Fully Insured & Guaranteed: We are fully insured with £5 million public liability insurance and offer third-party backed guarantees through TrustMark and Federation of Master Builders. CCTV Project Supervision: Track your project remotely with real-time CCTV, giving you full transparency and confidence. Transparent Pricing: What we quote is what you pay—no hidden fees or surprises. Proven Track Record: Our portfolio and client testimonials showcase our commitment to delivering high-quality results on time and within budget. How We Work: Consultation & Design: We start by understanding your vision, needs, and budget to create a customized solution. Detailed Quotation: We provide a transparent quote and step-by-step plan to ensure everything runs smoothly. Project Execution: From securing permits to final touches, we manage all phases of the project with precision. Completion & Handover: We ensure you’re fully satisfied before we consider the job complete. Contact Us Today Looking for a trusted partner to bring your dream project to life? RCB Group Design and Build delivers exceptional craftsmanship, clear communication, and reliable service. Get in touch today for a free consultation, and let’s bring your vision to life.

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Reviewed by james on 10/11/2020

The team that worked on our build have worked extremely hard since starting and their attention to detail is excellent, the team really cared about the quality of their work which showed in the end result. They were always very friendly and tidy throughout the build, very pleased!

Iulian Electrical Services

Cellar & Basement Conversion in Havering

We are a small family run business, our services include New builds, lofts, extensions, refurbs, we also take on small refits kitchens, bathrooms, gardens, structural alterations and ground works, plumbing and electrical. We aim to provide a comprehensive build package under one umbrella. Since opening our business in 2016 our main principle is "never cut corners or standards". We have managed to grow the business in the last few years immensely and establish ourselves as a recognised name. We aim to minimise stress for our clients by offering our expertise in all areas of the construction process and undertaking comprehensive project managing services with design consultation service also available throughout your project. We can provide all the services above by our own in-house team not 3rd parties or sub contracting. If you would like to know more about the work we do or would like a quotation for a project, please send us a message from the contact page or give us a call. We aim to respond to all queries within 48 hours.

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Reviewed by nicola on 26/8/2025

i used julian for the job i wanted done. it was completed in a couple days. he was on time and conscientious.really happy with the result.

LEO BUILDERS LTD

Cellar & Basement Conversion in Havering

Imer’s General builder specialises in Structural work for extension,loft conversation, roofing,home refurbishment,garage,etc

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Reviewed by Daniel on 18/2/2022

Imer recently helped me remove old kitchen cabinets and a light rail and install new ones. He was super professional throughout the whole project, promptly responded to all my emails / texts and went above and beyond to make sure the job was to a high standard. I was a little hesitant because he doesn't have too many reviews (he explained most of his work comes from word of mouth), but I'm SO GLAD I DID. Will definitely call him for my next project!

Gkouli Construction Company

Cellar & Basement Conversion in Havering

We are a construction company dealing in all aspects of building work extensions and home improvements with over 20 years experience. We work to a high standard and work to timelines for our clients. We will also work to Covid government guidelines when working at your property.

Latest homeowner review

Reviewed by Gareth on 29/11/2021

Did a fabulous job on my back yard concrete patio which was crumbling in places and needed levelling. Also suggested adding another step to a rather steep step in place already which made perfect sense and he did a great job with that too. Took 1 day and sent photos of the site after work. Very impressed and very happy with the outcome. I recommend this company and will be using them again on other jobs in the future.

We are a Kent based renovation team made of 8 highly skilled trades, very welcoming and tidy. We like to stick to a dedicated timescale which we discuss with the client before any projects. We can take on any jobs small or large including; Bathroom renovation, Kitchen renovation , Plumbing and heating, Electrical, Carpentry, Tiling, Painting and Decorating, Plastering Building. We have a specialist for each trade, very fairly priced. We have been running for 7 years with 15+ years of experience. Our client always comes first, with our team always going the extra mile! We offer free Quotations/advice for new or old clients. Very friendly/tidy team that show up on time and gets the project sorted within the set time limit. No project is too big or small for KPRSLtd so please get in contact. Take care, From the team at KPRS.

Latest homeowner review

Reviewed by Ellie on 21/4/2024

A.S. Harrison

Cellar & Basement Conversion in Havering

Hi this is A.S. Harrison and my name is Craig Harrison. We are an electrical and mechanical business in the heart of Essex. We serve Essex and London, but are always happy to travel further afield for bigger projects. Customer satisfaction has always been at the heart of everything within our organisation. With nearly 20 years experience we are more than capable, and willing to meet all your needs. I come from a commercial background, I’m bringing all the skills & knowledge I have gained to the domestic world. I trained as an apprentice many years ago! I have all the accreditations including NICEIC, level 2 and 3 electrical, test and inspect and i am JIB approved. We use only the best tools & materials in the Industry. We Employ the most qualified, experienced Electricians, who’s attention to detail is of paramount importance to me. We are always on hand to help & offer advice. As a team we run the project for you in the background. Taking the stress out of the job at hand is why so many of our clients return again and again. There is no lack of contact or waiting to be phoned back with us we can assure you of that. We have an enviable track record at delivering a friendly, professional and first class service. Give us a try and see for yourself. Please do take a look at our website for a more in-depth look at what we offer. We look forward to seeing you soon. Thanks in advance from all of us at A.S. Harrison.

Latest homeowner review

Reviewed by Justin on 3/11/2022

BALEV CONSTRUCTION LTD

Cellar & Basement Conversion in Havering

Latest homeowner review

Reviewed by Lorraine on 14/1/2025

Had a bedroom door fitted vert good

TS Property Maintenance LTD

Cellar & Basement Conversion in Havering

At TS Property Maintenance LTD we provide comprehensive home maintenance solutions to keep your property in prime condition. Our team of skilled professionals are dedicated to deliver top-notch services that ensure the comfort, safety, and functionality of your home. Whether you need routine maintenance or specialised repairs, we’ve got you covered. www.sthomemaintenance.com Insta- sthomemaintenance

Latest homeowner review

Reviewed by Jacqueline on 11/10/2023

Very professional work, and to a high standard. Very polite and extremely pleased with the work. I would highly recommend this gentleman

I have been established for 13 years and cover all aspects of building. We specialise in extensions from footings to completion. We have extensive experience in structural steel work and jobs that are potentially difficult due to limited space. We have completed work for new customers to view and by contacting us we can arrange the nearest job for you to view. We cover all of Essex and are also happy to travel to London and Kent.

Latest homeowner review

Reviewed by Jack on 17/1/2023

Graham and his lads were great. Would highly recommend for your building works. Was always open book about costs and plan of action, spoke on the phone regularly and was always easy to get hold of to give you that piece of mind. Full kitchen extension 5m x 3m from start to finish. Trusted with access to the property and never had any issues.

C H Construction Services

Cellar & Basement Conversion in Havering

CH constServices takes great pride in the work we do and the competitive prices we offer. We are always aiming to make sure our customers are satisfied and that they return to us. We are fully guaranteed on any job we do and willing to work any size job.

Latest homeowner review

Reviewed by Andrew on 1/5/2024

Very pleased with the finished results of our flat renovation.

FD and Sons Builders

Cellar & Basement Conversion in Havering

We are a family firm and have been established for forty years. All aspects of building, all your needs under one roof. Free estimates and a very friendly service

Latest homeowner review

Reviewed by peter on 26/4/2025

Absolutely perfect job, discussed, what need to be done, brain stormed, best way to do job, floating floor best option, discussed price, booked job, for 3 weeks later. Very professional, good price, did job, cleaned away rubbish, absolutely perfect experience

Azzep Building Services

Cellar & Basement Conversion in Havering

We offer a full and comprehensive range of residential and commercial building services like bathrooms, kitchen,patios,loft conversion,extensions ,internal and external building work.More than 20 years of experience and highly quality construction

Latest homeowner review

Reviewed by denny on 22/12/2019

Excellent, from start to finish. Very professional. Cesar and his partner were excellent in their work. I'm giving them 100% Feedback and will be keeping their number.

CERTIFIED GROUP LTD

Cellar & Basement Conversion in Havering

(132) Read reviews

Welcome to Certified Group Limited, We are a sister company to Certified Gas Heating Ltd. Started of as a dedicated and driven apprentice who started working within the plumbing trade from the age of 15. Established in 2012, We are a fast growing company accommodating your plumbing, heating and gas utilities effectively. Over the years we have started to offer other services which include: Electrical, renewables, drainage, carpentry, roofing, property renovations and kitchen extensions hence the reason for the name change as it fits our image at present. We at Certfied group are known for being professional, organised and enthusiastic at all times. We are approved contractors rated a “5 Star company for quality services” on Which Trusted Trader, Trust Pilot and other platforms. We at Certified group have a fantastic reputation for our hard work, performance, quality and efficiency. We are based in Greenwich SE10 London and cover whole of the capital and surrounding areas. We offer a 24/7 emergency services, Landlord safety certificates, Central heating and boiler installations, Breakdowns, Repairs, Power flush and more.

Latest homeowner review

Reviewed by Leona on 14/6/2024

Great experience with Aziz and team. They provide lots of advice and a detailed quote before starting any works. The work was quick and efficient and they were super tidy throughout the whole process. All works were completed to a high standard and we are so happy with our newly installed radiators. Thanks again for the amazing effort

I'm an experienced builder and cover all areas of building work including loft conversions, extensions & refurbishments. My company's aim is to provide a professional, reliable honest service. Every job big or small is done to exceptionally high standard.

Latest homeowner review

Reviewed by Myra on 13/11/2019

The team accommodated some additional changes and unforseen jobs and any issues that came up were addressed as quickly as possible. The team were polite and curteous at all times. We have just requested some additional works with this company.

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How our service works

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