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Local house extension experts in Wales

There are 363 House Extension specialists in Wales, and last month we helped homeowners get quotes for their home improvement jobs.

Browse House Extension specialists in Wales

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Window, door and building specialist. Our ratings and feedback speak for themselves. Over 13 years on this site and over 35 years of experience in the field.

Latest homeowner review

Reviewed by Andy on 3/10/2025

What can i say about Marc? We hired him for one job and he ended up doing our entire home renovation. I cant recommend him enough. He’s a rare find, trustworthy, an hard clean worker and a lovely guy. Feel free to contact me for any questions on his work.

We always strive to provide a professional service at the highest standards, with over 15 years experience we can always offer ideas and solutions to ensure the project runs smoothly. We specialise in home renovation & improvements from large to small.

Latest homeowner review

Reviewed by Julie on 2/5/2025

Matt and Sandro arrived on time and were very professional and polite. They worked very hard and did a fantastic job, even cleaned up after themselves. I would definitely use them again and would recommend them. Thank you

Elite Building contractors South Wales. We are a multi trade company with over 30 years experience, we Specialise in extensions, house renovations, garage conventions. Bricklaying Patios Damp proofing

Latest homeowner review

Reviewed by Kate on 22/5/2025

We engaged Stuart and his team in 2023 to help remodel our garage into a suitable office space and gym. In all, it has cost us an additional £4.5k to rectify the issues Stuart and his team made from a poorly fitted garage door which voided the manufacturer's warranty, poorly rendered exterior, numerous snagging issues and unfinished work. I would not recommend.

Willow Design & Build is a family run building firm based in Hawarden. We cover all areas within the North West of the UK. Our company has well over 30 years combined experience in the building & construction industry & we cover all aspects of your home. Our team of dedicated trades people are committed to providing the best possible service to you - our clients. Regardless of whether your project is big or small you are important to us & we at Willow Design & Build strive on presenting excellent workmanship & value for money in all our projects. We will look after your build from the design stages through to completion therefore giving you peace of mind. We will liaise with you regularly giving you updates for each step of the way. For a free, no obligation quote please feel free to contact us. You can also check out our work on Facebook. We look forward to hearing from you soon.

Latest homeowner review

Reviewed by Kim on 14/12/2017

Great service, quick reasonable quote, professional. Really pleased with result, fitted skirting board on uneven floors, fantastic job would hire again.

A family run business based in Taunton, we pride ourselves on attention to detail yet provide a competitive, reliable & professional building service to our clients. We cover all aspects from minor home improvements to renovations and extensions.

Latest homeowner review

Reviewed by Hugo on 1/8/2020

Job very well done by Ben Adams! Very pleased with the final result! Would definitely recommend Ben’s services!

We are a family run company based just outside of Chester and have worked in Chester,Wirral and North Wales for over 30 years.We undertake all aspects of building work.We specialise in new build garages and extensions.We fit replacement rubber roofing at very competitive costs.Replacement fascias guttering,cladding etc. We have been general builders for more than 25 years. . We undertake structural steelwork,renovations and ,we have completed many house refurbishments for local developers in recent years,mostly in the Chester area We have built new build houses. Fit new fascia and gutter systems.We offer plastering services,We always promise to be competitive on price whilst providing a top class service.We are always fair in our price and customer satisfaction is paramount. .

Latest homeowner review

Reviewed by Barry on 9/4/2025

Colin and his team did a great job - wall repaired good as new. Very professional and good follow-up communication and competitive pricing. Would recommend highly.

SDJ is a family run business built from the ground up, based on the border of North Wales we are in an ideal central location to travel to some of the major UK cites like Liverpool, Manchester and their surrounding areas, we also have the means to operate further if required. With more than 10 years of experience in the industry we are able to offer a variety of services including: Extension CCTV Installations Burglar Alarm Installations Fire Alarm Installations Full Re-Wiring of properties including new builds Property Renovations Kitchens Bathrooms Landscaping Decking & Outdoor Lighting Garage Convertion Custom Made Storage Laminate / Solid Wood Flooring We have experience in the Domestic, Industrial and Commercial sectors so whatever the project, big or small we will work with you to create the best results.

Latest homeowner review

Reviewed by calum on 25/11/2020

Top quality builders who have done everything we asked for. Nothing was too much trouble and the spec was top notch. Will definitely be using again! So happy with the conversion and was completed welll within time. Always prompt and tidied up after too! Thank you guys!

Djs building services ltd. with over 20 years experience in the finishing trades. we cover all trades .refurbishment /bedsit flat garage and loft conversions. all open plan work. small works. free quotes fully insured all work fully guaranteed reliable friendly service. oap landlord discounts.

Latest homeowner review

Reviewed by Trina on 22/2/2024

Dean and colleague were friendly, punctual and did a lovely Tidy job building our partition wall for us and would recommend for sure ????.

Friendly builder with 32 years experience in building and maintenance.

Latest homeowner review

Reviewed by Delyth on 22/11/2019

Gethyn communicated well, was on time and did an excellent job. He completed the job at hand and also reinforced the door. Excellent service, would highly recommend. Will ask Gethyn to do more work for me.

Covering all aspects of your carpentry needs with over 15 years experience working around the Uk. Work ranging from domestic to commercial builds , covering both 1st and 2nd fix ranging from roofs to kitchens including bespoke wardrobes and units. Please Contact for a free quotation.

Latest homeowner review

Reviewed by Richard on 20/9/2025

Professional, friendly and his work standards were first class. Fitted new skirting to my lounge and hallway which I am very pleased with. He also cleaned up all his mess and offered helpful advice too. Highly recommend him to anyone looking to use him.

Rynik undertake domestic, commercial and industrial projects. As a trustworthy, hardworking, dynamic team we strive to supply the highest quality workmanship to our private residential clients as well as our larger company associates throughout the UK.

Latest homeowner review

Reviewed by JOANNE on 18/9/2018

Excellent workmanship, punctual, fab price. Reliable. All you could ask for really in a tradesman. Thank you

A Building , kitchen and bathroom company with all aspects of joinery, plumbing, electricals, gas fitting and tiling, extension works and full re furbishments. With over 25 years experience we can accomodate all aspects of your fit/project, and we offer to talk to previous customers and can see photos of previous works to make your job look the best and to satisfy your project needs

Latest homeowner review

Reviewed by Thomas on 13/11/2025

Go for Dale if you are considering hiring a very good tradesman. His work is stellar.

With a team of bricklayers, plasterers, roofer and joiner and on site manager full time we are a one stop builders able to complete all your building needs. We can help with architects, engineers and we only use one set of certified plumbers and electricians.

Latest homeowner review

Reviewed by Pam on 27/6/2019

Fantastic turnaround time on this job. From coming out to assess the work needed, to completing the build, took less than 48 hours. The price was reasonable and I'd be happy to book other jobs with them and recommend them to others.

We are a family run business based in south wales. We will travel far and wide to help our customers with needs and home improvement requirements.

Latest homeowner review

Reviewed by Hedley on 18/5/2022

Really poor experience it’s now 6 months and kitchen still not finished I’ve given up Still waiting for certs for electrical works honestly don’t use they are lovely guys but take on too much work and don’t finish anything

With over 75 years of combined experience at OWD Group, we offer a cost effective and professional service to all of our customers. We specialize in the building and design of extensions, orangeries and conservatories and offer a FREE bespoke design service including CAD drawings. Whether you want a traditional 'brick and block' build or the innovative 'SIP panel' build, we can meet your exact requirements. All of our products are tested by independent agencies to conform to the highest industry standards, British Standards, Secured by Design and Building Regulations. All of our installation teams are fully accredited and we offer full Insurance Backed Guarantees for all work undertaken… offering greater protection and peace of mind to customers.

Latest homeowner review

Reviewed by Keith on 17/2/2023

Quality of work was excellent

Hi my name iOS Ian peters proprietor of plasterwise Dampproofing we offer great prices on job good clean work service and respect for your home call time

Latest homeowner review

Reviewed by michele on 28/11/2021

Hired Ian to Build a single story extension and install new kitchen and downstairs shower room . Crew were very pleasant and very helpful in planning the the job ahead of them. Very pleased with the work carried out looks amazing Having to put up with an awkward neighbor didn't deter them from doing and completing the job. The price put in was very reasonable. When the work was ongoing the area was always left clean and as tidy as possible . I would recommend Ian 100% , and would use him again.

Established in 2018, DNS Property has quickly emerged as a trusted name in the home improvement and real estate investment sectors. With over six years of dedicated service, our company has become synonymous with quality craftsmanship, innovative design, and exceptional customer satisfaction. Specialisations: Extensions: Whether you need more space for a growing family or want to enhance your home's value, our expertly crafted extensions seamlessly blend with the existing architecture while providing the additional room you need. Kitchen Refurbishments: Transform your kitchen into the heart of your home with our comprehensive refurbishment services. From modernising fixtures to complete redesigns, we create spaces that are both functional and stylish. Landscaping: Our landscaping services bring your outdoor spaces to life. From garden redesigns to patio installations, we create beautiful, practical outdoor areas that you can enjoy year-round. Bathrooms: Luxurious, functional, and tailored to your needs, our bathroom renovations are designed to provide a spa-like retreat in the comfort of your home. Full House Renovations: DNS Property excels in complete home makeovers. We manage every aspect of the renovation process, ensuring a seamless transition from your old space to a beautifully renovated home. Investment Property Portfolio: With a keen eye for lucrative real estate investments, we have developed a robust portfolio of properties. Our expertise in identifying, acquiring, and managing investment properties provides our clients with profitable opportunities and solid returns. At DNS Property, our mission is to turn your vision into reality. Our experienced team is committed to delivering superior results, on time and within budget. Whether you're looking to enhance your living space or expand your investment portfolio, DNS Property is your partner in achieving your goals. Visit our website to view our completed work in an immersive tour.

Latest homeowner review

Reviewed by Denise on 20/6/2024

No one ever rang me to give me a quote.

Specialists in Main roofs, flat epdm rubber, double glazing, canopies, conservatory roof tiles and insulation, rendering, and garage conversions

Latest homeowner review

Reviewed by Ian on 6/6/2023

This company has proved excellent in all respects. Simon the first caller, went above and beyond the view to correctly diagnose the source of our problems and thereby left the competition in the shade. Ray the surveyor was next in the scene, very competent and helpful. The icing on the cake were Stuart and James the fitters who did an excellent job and were a pleasure to have here. Full marks!

Celtic Heritage is an established company with over 30 years experience in the construction and double glazing industry. We benefit from a level of knowledge which enables us to give in depth, and valuable advice to our clients.

Latest homeowner review

Reviewed by Lee on 5/12/2017

Great company and a good team of Lads.

Family based construction firm with extensive experience in the building industry. No Job to big or small. Fully insured and ready to work!

Latest homeowner review

Reviewed by Margaret on 21/3/2017

I employed Matt to install a new bathroom. I was very disappointed in the finishing of the tiling (uneven, rough grouting, chipped tiles). The sink was installed after the tiles were fitted therefore the sink was not plumb - silicone was used to fill the large gap between sink and tiles - messy! Nice lads, but poor workmanship.

Hi customers welcome two SLC builders a reliable family run bussnies u can trust we specialise in aspects of roofing&building &landscapes feel free ro get in touch for a free qoet&advise

Latest homeowner review

Reviewed by Kev on 10/1/2025

Friendly and honest lads. Martin came looked at the roofing job told me what was needed and how much. A few days later they came and did the job found a few more faults but put these right as well at no extra cost. Great work, friendly and cleaned up after themselves. Will be using them again.

Established in 1982, Family run business that can cater for all your building needs from concept to completion, excellent standards of workmanship guaranteed. Competitive rates, fully insured, testimonials provided if required.

Latest homeowner review

Reviewed by Paul on 6/12/2019

Really pleased with the work Graham did for us! Really honest & helpful! Would definitely recommend & we will definitely use him again!

We are local builders who are committed to producing work of the highest standard. Our two directors Gareth and Daniel both hold the highest qualifications in their respective industries. We cover a wide range of building work as listed on our page.

Latest homeowner review

Reviewed by John on 29/7/2023

Contact was quick and easy and job was done within a few days completed and very happy with the work and how they carried the work out . Didn't disturb me at all just got on with the job and the job was done professionally. Will definitely used again if I need anything done. Great team

Our vision at Customex Build & Electrical is to deliver innovative thinking and a first class service in all we do in support of our customers. We will endeavour to be the very best we can be, whilst acting with integrity, professionalism and honesty and operating in the best interests of our customers and the environment at all times. All our team are qualified to the highest of standards providing the best service and workmanship. Weather its a small cupboard to be built or a double story extension, with 30 years + of experience combined you can be sure you can rely on us!

Latest homeowner review

Reviewed by Imogen on 17/6/2022

Bathrooms Kitchens Commercial Decking Carpentry Wetroom specialists Company going 20 years

Latest homeowner review

Reviewed by Nicola on 31/8/2024

Great job done, really pleased with the finished work. Would recommend and use in the future

Spartan Construction is a new Business formed by an experienced workforce. We cover North West England but focus mainly in Lancashire and Cumbria.

Latest homeowner review

Reviewed by Daniel on 26/10/2023

Luke gave a decent quote for some roof, paving & fence work. What they did complete was good, but they did not finish the job. Communication was very frustrating and I had to constantly chase for updates. I stupidly paid the full balance after the garden was complete, but before the roof work was. It's now 9 weeks on & despite repeated assurances that they will come back (and me offering a further £200 to complete the roof work), I do not believe they intend to return. 3/5

At FREN, we are proud to offer a wide range of building services in South Bristol, designed to bring your ideas to life. From small-scale residential projects to large landscaping transformations, our skilled team delivers results that combine style, strength, and functionality. Every project is carried out with a commitment to high standards, ensuring your home or outdoor space is built to last.

Latest homeowner review

Reviewed by Donato on 22/11/2025

Ben responded to my posting within the day. He arrived when he said he would and fixed the problem very swiftly. Very reliable, professional and polite service. I would recommend and would not hesitate to use Fren again.

Andrew's Construction 61 Sutherland ave Dresden Stoke-on-Trent. Able to advise run and complete all work to a high standard .Call Andy Bell on (not able to post phone numbers here) .Just ask Andy

Latest homeowner review

Reviewed by Dave on 12/4/2016

Came to the house measured up viewed the job never heard from him again ....POOR ...not even the common courtesy to say he didn't want the job.

Www.kerrconstruction.co.uk Welcome to Kerr Construction. A company with a full range of experience to ensure all projects are completed with the best quality. We cover a wide range of projects with a capable team. Ensuring the best possible outcome on all projects for the client.

Latest homeowner review

Reviewed by Joyce? on 17/8/2023

Latest homeowner review

Reviewed by Cheryl on 27/7/2024

They ruined my kitchen cut holes where there didn't have to be holes I'm disabled and stuck ìn bed They left me with no water or electricity an noway to cook for a week in this heat I've had to buy new cupboards an pay à plumber electrician an joiner as well to fix there mess if I could give them no star I would

Plastering Brick work Carpentery Plumbing Tiling Electrics Windows

Latest homeowner review

Reviewed by Phil on 18/9/2020

Quick response, turned up when said and a reasonable price quoted. Original start slightly delayed but kept me informed. Would recommend

Ragan Property Ltd are a niche family business which specialise in: - Bathrooms - Kitchens - External Decking. - Fencing - Patios - Landscaping - General House Refurbishments Contact us today for an early site visit and quotation. Thank you.

Latest homeowner review

Reviewed by damian on 16/8/2022

excellent work and a nice man. I will use again

Welcome to SS Building & Landscaping. With over three decades of experience in the Building & Landscaping industry across the Southwest, we take great pride in transforming indoor and outdoor spaces into stunning and inviting environments. As a family-run business, we prioritise customer satisfaction, ensuring all our works are guaranteed and insured for your peace of mind. Whether it's small residential works or a large commercial project, we are committed to providing top-quality services that breathe life into your home.

Latest homeowner review

Reviewed by kerry on 19/4/2024

Amistad has been in the industry for 9 years, has a wealth of experience and is fully qualified in all aspects of property management and maintenance. With offices in Royal Wootton Bassett, Amistad has a large number of local Contracts

Latest homeowner review

Reviewed by Leon on 13/5/2019

Guy rang up and arranged a time and date to survey and quote. Waited for over an hour. Rang him twice then gave up, so rang him a third time and told him not to bother. Wasted my time which I took off of work.

I have around 15 members who work for you. Our Services are: 1. Bathroom Fitter 2. Builder 3. Carpenter 4. CCTV 5. Cleaner 6. Drain Specialist 7. Floor Fitting 8. Gardener 9. Handyperson 10. Loft conversion 11. Paint & Decorating 12. Plaster 13. Roofer 14. Tiler 15. Window fitter

Latest homeowner review

Reviewed by Kay on 22/10/2022

Wasted my time , lied and did not show up , uses another email to reply [email protected]. Very dodgy guy . No good .

Would you all kinds of roof repairs gutter repairs cleaning gutters alter alter building over cause fully guaranteed

Latest homeowner review

Reviewed by Baiba on 27/8/2024

Phill Turner,Chris Mabe,,T&M building contractors

Bradley building solutions covers most aspects of building from new builds, renovation, roofing, and groundworks. We also specialise in bathroom and kithen fitting. We also have connections to all relevant tradesmen. Electricians, plasters etc .

Over 25 years in the building trade. GNVQ in bricklaying TrustMark approved Member of the FMB (Federation of Master Builders)

Do you need to make a claim on your insurance for damage to your property? Our award-winning claims management service aims to help policyholders throughout the UK make successful buildings insurance claims caused by storms, burst pipes, accidental damage, fire, floods or other events which lead to the property owner needing to make an insurance claim. We also project manage the repairs to the damage and always strive to reinstate the property to its pre-loss condition as swiftly as possible. Most importantly, there is NO CHARGE to you, the policyholder and property owner for the Aspray service provided we can instruct and oversee the vetted contractors who will complete the reinstatement works. However, any excess stated within the policy will of course still apply.

We are 2 guys who perform interior works, everything to your liking.

We are a small company who specialise in garden rooms, sheds, summerhouses, fencing, decking, plastering, decorating and extensions.

Loft conversion specialist, with 25 years worth of experience.

Providing strategic planning, design and building services for private construction projects to ensure timely & cost-effective completion. Specialisms include: extensions, new build, external works and hard landscaping.

Precision construction is a one stop shop building service that thrives off customer satisfaction and can help you achieve your dream home. We cover all aspects of the building trade from new build extensions, home refurbs, garages, conversions, kitchen installs, hard landscaping , ground works and much more. Fully insured and certified tradesman who produce the highest standard of work. Cleanliness and quality is key for us here at precision.

All aspects of building work. Carpenter by trade. Flat EPDM Roofing specialists

Sjroofers pride ourselves on providing a professional, reliable and competitive roofing service for pitched and flat roof projects.

30 years experience. we offer a complete building service, from newbuild ,renovation/restoration, all trades included are experienced, trustworthy and our trades like plumbers and electricians are all certificated, from large projects to a roof repair or a wobbly fence, give us a call and see if we can help

How our service works

  • Create a job - it's free

    We'll connect you with the right tradesperson, from over 30 different trades.

  • Get quotes

    Up to 3 tradespeople can provide a quote, but on average you'll get 1-2.

  • Check ratings

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  • Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  • Job done

    Leave a rating for your tradesperson based on quality, reliability and value.


Recently completed jobs

Here's what's been happening in and around your area

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: kitchen Extend existing kitchen Planning permission has...

Size of extension: 5 rooms...

Size of extension: 5 rooms Height of extension: 3 floors Room(s) to be in the extension: bathroom, bedroom(s), dining room, kitchen, lounge/living...

To add on another room, one...

To add on another room, one level only it would mean removing outside brick shed to replace with extension. Would also be putting a new back door in...

Size of extension: 4 rooms...

Size of extension: 4 rooms Height of extension: 2 floors Room(s) to be in the extension: bathroom, bedroom(s), kitchen, utility room Standard 2...

Size of extension: 2 rooms...

Size of extension: 2 rooms Height of extension: 1 floor Room(s) to be in the extension: bathroom, bedroom(s) 1st floor extension & roof...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: dining room, lounge/living room I’m hoping to open up our...

Size of extension: 3 rooms...

Size of extension: 3 rooms Height of extension: 2 floors Room(s) to be in the extension: kitchen, lounge/living room, utility room Looking to...

fix work done by someone else

Title: fix work done by someone else 1. Rectify ceiling (5.5x4 m^2) to legal boundaries, and adjust to allow future addition of rails (within...

Size of extension: 1 room...

Size of extension: 1 room Height of extension: 1 floor Room(s) to be in the extension: kitchen build 2m x 2m kitchen add on Architectual plans...

Extension to the back of the...

Extension to the back of the detached property 4M X 9M

How our service works

  1. Create a job - it's free

    We'll connect you with the right tradespeople, from over 30 different trades.

  2. Get quotes

    Up to 3 tradespeople can provide a quote, but on average you'll get 1-2.

  3. Check ratings

    Look at each tradesperson's profile to see their ratings and reviews.

  4. Pick a tradesperson

    Use our homeowner checklist for extra tips on choosing a tradesperson.

  5. Job done

    Leave a rating for your tradesperson based on quality, reliablity and value.

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