Post your job for free. Get quotes. Read reviews.

Post your job for free. Read reviews, get quotes, and see tips on hiring the right person.

What type of tradesperson do you need?

What type of job is it?

Find Local Home Security System Installers in Knebworth, Hertfordshire

There are 710 Security systems / Alarms in Knebworth, and last month we helped homeowners get quotes for their home improvement jobs.

Browse Security systems / Alarms in Knebworth, Hertfordshire

Take a look at our Security systems / Alarms profiles, read reviews and request quotes directly.

Please specify a location
Please specify a trade

MH Electrical

Security systems / Alarms in Knebworth

26yrs in trade installations rewires fult finding lighing sockets testing & inspection cooker showers no call out all work guaranteed fully insured domestic & commercial work reliable competative rates call today 24 hr call out free quotation 2 m insure

Latest homeowner review

Reviewed by Jadean on 28/7/2025

Michael was nothing short of amazing! He was friendly and extremely efficient in the work he did, he took pride in his work asking for it to be checked and ensuring I was happy with it before leaving. I asked for additional jobs to be completed and he was able to complete these too! Michael is exceptional and I will be using him for more jobs in the future. Thanks again Michael

Excelsior Engineering

Security systems / Alarms in Knebworth

NAPIT registered electrical company from South Wales, specialising in testing and inspection. All installation and maintenance carried out including domestic, commercial and industrial

Latest homeowner review

Reviewed by ERIC on 1/4/2025

Very reliable and did a good job.

More than 20 Years of experience in electrical engineering. Fully qualified electricians Family business that take customer service very seriously Affordable prices , quick response on a daily basis. We can solve any electrical issue in industrial, domestic and commercial installations Get in touch for a free quotation

Latest homeowner review

Reviewed by Andrew on 12/8/2025

Incredible electrician. Came and quoted for the job. He had some great ideas and input, and then completed the job there and then. No fuss, very clean and tidy. Highly recommended.

Infinity Electrical LTD

Security systems / Alarms in Knebworth

Qualified Electrician with over 24 years of experience. Skilled with diagnosis, repair, and installation in both residential and commercial environments, highly effective at testing electrical equipment and predicting possible electrical malfunctions. All electrical works undertaken small or big.

Latest homeowner review

Reviewed by Traci on 25/5/2023

Dwain was brilliant turned up when he said did the job to high spec and cleaned up everything. Will definitely be using his service again. Highly recommend ????????

Self Empolyed

Security systems / Alarms in Knebworth

I'm doing maintenance, started to work at a company at 2015 as labour, and i step forward at 2017.

Latest homeowner review

Reviewed by SATISH on 16/12/2019

Balazs has very good knowledge about fitting wardrobes. he did a perfect job for me and his prices are reasonable.

M PAUL GLAZING is a family run business that is helpful and reliable

Latest homeowner review

Reviewed by Joanna on 24/4/2020

Very prompt service and very competitive price!

Welcome to my business, Twin & Earth Electrical Services LTD, that I founded to offer a different kind of trade service. An electrical service that is always reliable, customer centric, of the highest quality, clean and most importantly, safe. All our work is fully tested and certified to the very latest (April 2022 amendment 2) regulations. We offer a wide range of electrical design, installation and testing services for your home and business and cover Beds, Herts and Bucks. Services include: General electrical installation - Sockets, light fittings, downlights and accessories. These smaller jobs are often overlooked by other tradespeople, but these finishing touches are often the things that make the most impact for our customers. We will always do out best to fit these jobs in as soon as possible. Garden/outbuilding lighting and power - We have been super busy this spring adding garden lighting and power in readiness for the summer months and beyond as well as helping out customers make the most of their outbuildings by adding power. Home CCTV and security - We are Ring certified installers and can supply and fit the full range of Ring products. Video doorbells have been hugely popular this year and we supply and fit Ring, Arlo and Nest wired doorbells. We also supply and fit wired CCTV systems which include up to 8 high definition cameras, hard drive recorders and monitors. These systems are particularly useful as they record 24hrs a day and they have very intuitive and fast mobile apps, enabling you to monitor your home from anywhere in the World! Inspection and Testing - Electrical Safety checks (EICRs) for landlords and homeowners/buyers. Full digital reports with photos are provided using the latest software. Commercial - We offer a wide range of electrical services for Pubs, Restaurants, Clubs, Gyms etc. From changing a socket, adding new lighting and accessories, to Electrical Installation Safety Reports and fitting EV chargers, Twin & Earth has you covered!

Latest homeowner review

Reviewed by Lauren on 16/8/2023

Did an absolutely amazing job! Would definitely recommend and use again in future!

self-employed

Security systems / Alarms in Knebworth

Hi you need a skilled carpenter to do the job you need ? doors,kitchens ,laminate-engineering-solid flooring,skirting,decking,shed,green house.! You just find one, whit over 10 years experience skilled cscs and liability insurance .

Latest homeowner review

Reviewed by Jeff on 6/2/2015

Dependable. Great job. Reasonably priced and willing to go the extra mile. Would highly recommend.

window.door.restoration

Security systems / Alarms in Knebworth

hi. i am a sole trader now working for myself,after several years in the glass and glazing industry. i have over 30 years experiance,from a glass foreman to manager. i have a vast experiance in all aspects of windows and door repairs.

Latest homeowner review

Reviewed by Penny on 29/9/2014

The job was quoted for within an hour of posting and completed to a good standard the following morning. It was a stress free experience and I was very happy with the result.

R and K engineers

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Edward on 4/11/2014

Fantastic service, was on time, completed the job quickly and with great quality. Have kept contact details and will definately use again for any electrical jobs.

BNT CONSTRUCTION LTD

Security systems / Alarms in Knebworth

BNT Construction ltd offers a full range of construction services. We take pride in offering competitive services at competitive prices. Services ranging from Groundworks to full house refurbishment or home maintenance ,drainage , basements , piling . Also we can pride ourselfs as the fastest and reliable builder as per customer satisfaction . Latest extension completed from the aprovals of documents and council agreement 4 and half weeks thats based on demolishing the existing build and rebuild the entire extension with fitted kitchen underfloor heating etc. Quality and profesionalism are and always be a priority !!!! Team BNT

Latest homeowner review

Reviewed by Natalie on 14/3/2019

Excellent service! Will definitely use again!

JB Lock and Door

Security systems / Alarms in Knebworth

At JB lock and door we offer a complete locksmith and door maintenance service to both domestic and commercial clients. We are upvc door specialists and also offer a door replacement service and much more. So get in contact and see if we can help

Latest homeowner review

Reviewed by Mary on 13/6/2018

Excellent service. Would highly recommend to others.

Anthony Clifton

Security systems / Alarms in Knebworth

I can help with any of your electrical needs. I specialise in smart products installation and setup. I offer tutorials on how to get the most out of your new smart home products included with the installation. I can help with any of your electrical jobs, including but not limited to: * Testing and inspection * Fault finding * Adding/removing/changing sockets and light switches * Changing over light fittings * Outdoor lighting / power * Ethernet and/or power run down to the garden office/pub/log cabin etc No job is too big and no job is too small.

Latest homeowner review

Reviewed by Kate on 28/9/2021

Anthony was really helpful, fixed all our lighting problems. Turned up when he said he would and emailed with alternative suggestions too.

Gecko Electrical

Security systems / Alarms in Knebworth

Gecko Electrical Services Ltd is a NICEIC Approved contractor which provides Electrical services covering Essex, Suffolk, Norfolk, Cambridgeshire, London Boroughs and the rest of the Home Counties we pride our self on providing an unrivalled customer service and take great pride in all our jobs from single fitting changes and fault finding to full re wires. Fully qualified, insured and experienced to take care of any of your electrical needs.

Latest homeowner review

Reviewed by Olly on 26/1/2022

Superb from start to finish.

B.S. BUILDERS LTD

Security systems / Alarms in Knebworth

B.S. Builders LTD, We are a family new business company with 15 years of experience in UK and Europe based in London. We take over jobs such as Lofts, Extension,Full Renovation, Doors, Floor, Kitchen, Bathroom, Electrics, Plumbing and general building jobs. We are experienced builders over 7 years in UK looking slowly to create their own family company which can provide services all over London’s area. Our slogan is “Engineering your dreams withs us” and you can achieve that if you trust us. Or objective is you to feel happy after the job is done. If you have something based on our criteria we’ll be happy to partner. Thank you for your time.

Latest homeowner review

Reviewed by Enea on 30/11/2019

Good job, good final working project

IST SURVEILLANCE LTD

Security systems / Alarms in Knebworth

We are the specialist of any kind of CCTV systems, Intruder Alarm Systems, Sound Systems, Door Entry and Access Control Systems.

Latest homeowner review

Reviewed by Vinh on 3/3/2020

Very happy with the result. Good and reliable company and workmanship. Would certainly use again.

SJ READ ELECTRICAL

Security systems / Alarms in Knebworth

I'm an electrical contractor that undertakes many different varieties of electrical work from domestic dwellings to industrial and commercial premises. I have over 18 years of experience within the electrical industry and am fully qualified to carry out installation works and testing. Works that can be undertaken range from new build installations to rewires and alterations to existing properties. I have had a lot of experience in carrying out condition reports and electrical installation reports. All work is carried out to a high standard and inline with the latest wiring regulations.

Latest homeowner review

Reviewed by Paul on 18/9/2023

Steve fitted a new supply panel for us and carried out the job as he stated to me. Very pleased with the work completed & would definitely use Steve again.

Perform maintenance, repairs, and groundwork. Instal products and equipment. Electric repairs and installation. Basic painting, decorating and cleaning. Respond to requests in a professional manner. Conduct assessments and identify problems.

Latest homeowner review

Reviewed by Yemi on 15/7/2022

Angel and Andrew got to my place promptly and were very professional. My door fits perfectly. Thanks guys

Builder with excellent attention to detail. All building services catered for. Specialize in finishing trades, however can bring a project from initial plan to completion. Based in Barnet and serving London and surrounding counties. Fast efficient, timely and competitive. Customer comes first always. Will strive to meet the requirements and vision you are trying to achieve..

Latest homeowner review

Reviewed by Reg on 21/3/2022

Latest homeowner review

Reviewed by Neil on 18/7/2011

Sean was excellent - highly recommend him. He was very polite and stuck to his quote despite the job being more than he had bargained for and taking him a long time to do... He was very conscientious and delivered great quality. Only slight fly in the ointment was difficult to contact at times which may be due to poor mobile reception where he lives (landline alternative might help). Would not hesitate to recommend and will be using again v soon!!

WMC Optics

Security systems / Alarms in Knebworth

Specialist in Security Systems! CCTV, Access Control, Warden Call, Intercom Systems and more!

Latest homeowner review

Reviewed by Chimezie on 13/4/2024

Prompt, professional and tidy. I definitely recommend.

Wood Grzegorz Radomski

Security systems / Alarms in Knebworth

I am a carpenter with 20 years work experience. The knowledge about 1st and 2nd fix carpentry and joinery I have achieved during working many years at the construction site and workshops. Please check my Work Gallery if you would like to see the wide range of my projects. My specialization is creating furniture according to the client's wishes but I am also able to design wardrobes, cabinets, units, shelves, drawers and other pieces of furniture. Additionally, I make doors, windows, floors, deckings and etc.

Latest homeowner review

Reviewed by Ryan on 8/3/2020

Brilliant workmanship and absolute grafter, Really pleased with his work will 100% recommend

GJContracting

Security systems / Alarms in Knebworth

I have used Rated People for over 10 Years give or take a couple! I use this site occasionally when I’m in the office for convenient local work. I’m NICEIC certified and have been enjoying working with electrics/electronics for most of my working life.

Latest homeowner review

Reviewed by Savva on 19/3/2024

Graham was very quick in getting back to me and fixed my light without issue

(Covid 19) we adhere to regulations in place regarding sanitising and distance keeping / masks we are working fully during these times//We are correct window and door repairs ltd specializing in all double glazing installations and repairs,.WE ARE PROFESSIONAL, EFFICIENT AND VERY RELIABLE. (AS YOU CAN SEE FROM OUR MANY RECOMMENDATIONS) our teams repair all glazing from misted units , hinges ,handles locks for window and doors too.we offer a service second to none from the moment the call is taken to the works being completed our team offer a stress free service.

Latest homeowner review

Reviewed by Tomjedur on 14/8/2024

Excellent professional and efficient work from the team. Great communication.

A-TECH BUILDING SERVICES LTD is a building company based in St Albans & Toddington, we are a family run business who pride ourselves on our workmanship. All our staff are time served and have many years experience in their given trade. Please see our website.

Latest homeowner review

Reviewed by Tola on 18/2/2025

Very professional and timely and did a great job connecting everything properly for us. Very grateful. Restored my faith in tradesmen.

Specializing in Garden Clearance & Garden Maintenance,Full maintenance of bothGardens and cleaning for blocks of flats and commercial buildings,Lawn maintenance,Hedge trimming,Jetwashing,Weeding and more,we are registered Waste carriers and are fully licensed,please call for a Free quote, Matt.

Latest homeowner review

Reviewed by Dan on 10/12/2024

Friendly, reliable and knowledgeable. Been extremely impressed with the service.

Tony Gilbert property services, has been trading over 30 years. Also bringing in other sub-contractors ie electricians, gas safe plumbers, and various other trades undertaking a wide variety of works in the construction industry. working alongside various architects and building controls. Hopefully priding myself on happy clients, clean and tidy, high standards and reasonable pricing. Works carried out can be from simple maintenance works to extensions, refurbishment and new build properties etc. Thank you for taking the time to read a little bit about my profile. Please don’t hesitate to contact me.

Latest homeowner review

Reviewed by Gareth on 5/10/2024

Turned up got the job done, no hassle.

MJJ Builders

Security systems / Alarms in Knebworth

MJJ BUILDERS LIMITED .

Latest homeowner review

Reviewed by Kate on 7/7/2023

Great service, very quick response time, really helpful collecting and installing a new washing machine. Would highly recommend. Thank you

anderson electrical

Security systems / Alarms in Knebworth

Tring based electrical and property maintenance company with over 15 years experience in the building and construction industry including commercial industrial and domestic.

Latest homeowner review

Reviewed by Robert on 18/11/2012

Jason done the job no messing around very reliable would recommend top electrician

168 Property Maintenance

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Gerald on 31/5/2013

Knows what he is doing, happy with the work done.

CMVDL LTD

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Joshua on 17/6/2013

very good, they were on time, and they even waited for me to go to Ikea and get an extra part due to Ikea missing parts in the package. Would definitely recommend their services.

SMH Electrical Limited

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by dale on 9/4/2013

Very pleased with repsonse, they were reliable, on time and got the job done with no hassle, fuss or mess. Will definately be a first point of call for next time i need improvements i cannot carry out myself. Would recommend.

Qualified Electrician, Very reliable and trust worthy. I believe customer service is key, so I will be guaranteed to beat any quote you may have already received. I will work around what suits the customer best You will be sure to receive a 5star service

Latest homeowner review

Reviewed by Ashit on 22/3/2013

Perry is young n honest guy. His work was upto the mark. Would recommend him to others too

Wirelec

Security systems / Alarms in Knebworth

We are a well established Electrical Services company located in Hemel Hempstead. We specialise in both Domestic & Commercial Electrical installation, Data and AV Cabling.

Latest homeowner review

Reviewed by Brigitte on 27/3/2014

Really impressed with the service - prompt, efficient and genuine. Would definitely recommend and use again.

KELL-ECTRICAL

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by alam on 29/8/2014

The job involved complete rewiring of a 4 bed house. Very happy with the work. Have found Mark to be polite, professional and reasonable. Would recommend him without any hesitation.

For more details, please refer to my website Full public liability insurance to 5 million pounds Approved contractor for "Hamptons International" Have worked on behalf of "Benham @ Reeves and London Tokyo Letting agents

Latest homeowner review

Reviewed by Salman on 20/6/2015

Fantastic advice and service. No fuss, honest and overall nice guy! I can't rate him enough and have his number safely stored for next time. Why botherr with anyone else?

Raymond James Electrical

Security systems / Alarms in Knebworth

R J Electrical are an NICEIC Approved electrical contracting company, providing all aspects of electrical work to the UK. Based in Northampton we take on design, installation, maintenance, testing and inspections, energy saving solutions and renewables.

Latest homeowner review

Reviewed by James on 29/5/2015

Great - chap was the first to call, arranged a date and time and he came when he said he would. Seemed to know what he was doing and fixed the problem, so very happy. Thanks.

Mccarthy build ltd

Security systems / Alarms in Knebworth

We are a family business with 35 yrs of building.We are very hardworking/polite/clean and tidy. 95% of our work comes through recommendations.We have a large portfolio of works with many client references.All are work force our fully qualified. .

Latest homeowner review

Reviewed by Medha on 24/5/2014

It is a 5 star rating. He gave my stairs a new look. He started the job on time and completed on time. He did not leave any mess. Reliable. The oak stairs is just very elegant and chic. Thank you Sean. Highly recommended.

T Murphy Construction

Security systems / Alarms in Knebworth

T Murphy Construction LTD is a family run business with over 30 years experience. We have a dedicated team of experienced and skilled tradesmen with City & Guilds qualifications. We have expertise in carrying out all forms of commercial and domestic work.

Latest homeowner review

Reviewed by Edward on 21/3/2014

Thanks Tom for a great job.

NMR Electrical Services

Security systems / Alarms in Knebworth

An ELECSA registered Part P electrician, with over 20 years of electrical experience. Fast friendly service, with free estimates and no call out charges. All electrical work undertaken from simple repairs to full rewires, no job too big or small.

Latest homeowner review

Reviewed by Christopher on 11/6/2013

Good job done. Pleasant workers. Turned up on time. Did job they said they'd do for price quoted. Will use again. Am recommending to friends

We are a family owed 24hr maintenance company that covers all electrical, plumbing, heating, gas and drainage works along with other trades including plastering, carpentry, brickwork, roofing and painting and decorating.

Latest homeowner review

Reviewed by Jackie on 20/2/2015

Would definitely recommend them.

We are a friendly and reliable team who pride ourselves on providing high quality workmanship.We are devoted to our responsibilities towards customers and always deliver of high quality finish on time and to the budget. Our aim is “customer satisfaction”

Latest homeowner review

Reviewed by Paplu on 15/11/2017

Artur replaced our kitchen worktop and installed our integrated appliances. Artur is very a meticulous professional that understands your needs and your desired high quality end finish without you having to explain the job thoroughly. Artur had always been available for questions and is someone you can rely on for advise. I would highly recommend him

O&O Handyman Service

Security systems / Alarms in Knebworth

We are here to tackle your to-do list for you. This way you can be sure the job is done right and you don't have to waste your free time.

Latest homeowner review

Reviewed by S on 28/1/2016

Excellent workmanship. Was on time, very organised and did more than what I had asked for at very fair price ! Will definitely call him again.

Latest homeowner review

Reviewed by andrei on 1/8/2014

Very qualified and competent, precise, on time, tidy, effective, kind. Great service

Iseesolutions

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Abby on 29/11/2014

Very happy with the service and completed to a very high standard at short notice. Very reasonably priced and would recommend.

N H Handyman services

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Anat on 12/11/2015

Nigel found us a great value door and window for the garage, and installed them well. He was prompt, communication was excellent. Very satisfied with the service provided.

Daniels WorldWide LTD

Security systems / Alarms in Knebworth

Quality is our job !

Latest homeowner review

Reviewed by Peg on 13/7/2016

Gerry and Dave are friendly and reliable. They painted our g/f really well and very efficiently so we could have our living rooms back quickly!

VBM SASH WINDOWS

Security systems / Alarms in Knebworth

Latest homeowner review

Reviewed by Antoinette on 12/7/2019

Friendly tradesman who turned up on time, was quick, tidy and pleasant to interact with. Will definitely use him to do any further jobs.

CJB ELECTRICAL

Security systems / Alarms in Knebworth

Fully qualified electricians with testing and inspection for domestic / commercial and industrial sectors. 12 years experience and a local company in Northamptonshire with a working team that travels up and down the country to suit your electrical needs We are Gold installers for HIKvision CCTV and silver accredited in security alarms. All home automation to warehouse lighting projects that we undertake.

Latest homeowner review

Reviewed by chris on 15/10/2012

Response to quote was very quick, pricing was excellent and work completed on time and to specification.

Royals Plumbing

Security systems / Alarms in Knebworth

Royals plumb-elect is based in Northamptonshire. Fully qualified Gas Safe Plumbing & Heating & Electrical engineers We have over 20 years of experience. We are a small family run business and work effectively to give value to customers. We covers the surrounding counties and London. The services we offer are as follows; Plumbing, Heating[Gas]. 1. Central heating system installation, maintenance/services. 2. Landlord gas safety checks. 3. Water heaters[ vented/unvented/ thermal store cylinders ]. 4. Gas boilers, fires & cooker installations and repairs. 5. Showers. & Bathrooms *****Door lock replacements****** ****Water supply pipe replacement****** ****Kitchen fitting************* Electrical. 7/ Electrical installations[ single phase and 3 phase. 8/ , Fixed electrical maintenance, and certifications to all electrical systems. 9/ Landlords electrical safety inspection and testing[ E I C R ]. Testing: Get peace of mind with an official EICR, conducted by experienced electrician. 10. Inspection & testing of fire alarm systems and emergency lighting testing; DOMESTIC AND COMMERCIAL INSTALLATIONS SUCH SHOPS & OFFICES. 11. Pat testing. 12. Electrical inspection, testing and certification to BS 7671. ***Advice; https://www.electricalsafetyfirst.org.uk/guidance/safety-around-the-home/ Additional information. Estimates are generally non-chargeable but in rare situations some will incur a charge, depending on the nature of the job. Note; Please Free Quotation does not include tools and test equipment to fault find. Therefore any tools and test equipment use to fault-finding is chargeable. WEBSITE: https://royals-plumbing-heating-wellingborough.business.site

Latest homeowner review

Reviewed by Neil on 10/6/2024

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

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

  • 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

Garage door replacement with...

Garage door replacement with remote opening for double garage.

Garage door replacement with...

Garage door replacement with remote opening for double garage.

paint external woodwork

3 separate locations on house 28 ft 8 9inches 10ft * 9 inches and 4*5 foot * 9inches. Plastic guttering be taken off and reinstalled. Rub down and...

paint external woodwork

3 separate locations on house 28 ft * 9inches 10ft * 9 inches and 4*5 foot * 9inches. Plastic guttering be taken off and reinstalled. Rub down and...

Services required: painting 1...

Services required: painting 1 x bedroom, 1 x bathroom, 1 x hallway, 1 x stairs Repaired water damage downstairs just cracks filled upstairs already...

Repair water damage and cracks...

Job 1 Water leaked from shower upstairs damaging ground floor ceiling and wall in one place and wall at end of a beam. Black mould patch on ceiling....

Dig up manhole under 2...

Dig up manhole beneath two en-suite bathrooms and identify sewer smell, seal and replace floors.

skim over 3 ceilings. budget...

living room, hallway and small office

Service gas appliance 1 x...

Service gas appliance 1 x boiler Make of boiler: Potterton Additional information: Additional to the routine boiler service we also have an issue...

Hot water - heating I don't...

Hot water - heating I don't have hot water from my taps. Radiators are not heating up. Make of boiler: Ideal Additional information: Boiler not...

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.

app-icon

Get our app for homeowners

  • Send messages and get notifications from tradespeople
  • Add photos to get more accurate quotes
  • View tradespeople’s profiles