Extension Builders in Thornton Heath | MyBuilder

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Some of our top rated extension builders in Thornton Heath

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O'keefe Contractors
Rating: 5 out of 5
Extension Builder in Thornton Heath
Over 35 years in the building trade. All refurbishment undertaken etc. All quote itemised with labour one side and materials the other..
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Latest review:
Restoration & Refurbishment- 13 Jul 2023
Michael renovated our garden cabin. He is courteous, professional and hard-working. I highly recommend him!
Wisebuild Construction Ltd
Rating: 5 out of 5
Extension Builder in Thornton Heath
Hi, I've been in construction for 25 years, building many extensions, basements, loft conversions, new builds and many refurbishments. We carry out all aspects of the building process, including electrical wiring, plumbing, bathroom fit outs, carpentry, cabinetry, tiling, kitchen fitting and decoration.
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Latest review:
Restoration & Refurbishment- 13 May 2026
Paul was highly professional throughout the engagement. He provided clear, practical advice and took the time to thoroughly assess our needs during the consultation. He was also very responsive and proactive in following up on any questions we had afterwards, which we really appreciated. Overall, a great experience working with him.
Mati Construction
Rating: 5 out of 5
Extension Builder in Thornton Heath
We are a family company with over 15 years of experience. Our team is highly professional. We offer wide range of services which include: - lofts, extensions - bathrooms and kitchens renovations - painting, decorating, wallpaper - flooring (all kinds) - roofing - property maintenance - building renovations/ rooms renovations - plastering, tiling, rendering and many many more!
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Latest review:
Extensions- 15 Nov 2022
Pawel and his team did a great job with our front porch, always punctual, polite and good quality work. Will be hiring them again.
Izmy Construction Ltd
Rating: 5 out of 5
Extension Builder in Thornton Heath
Small construction company with over 30 years experience, taking on all aspects of work. We take pride in all our works with excellent work ethic throughout.
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Latest review:
Bricklaying- 16 Dec 2021
I'm very pleased with the repair that Jack carried out on my garden wall. Even though it was a small job he took the time to do it properly and ensured the bricks that had fallen down were put back straight. It started raining a little on the day causing the cement to run. Jack returned a couple of days later to tidy it up like he said he would. On inspecting the wall today I noticed that the cement on the bricks on the inside of the wall did not look as neat as how it looks on the outside of the wall. Maybe the rain caused the cement to run too much, I don't know. Overall I am pleased though and I've asked Jack to quote for another job.
Aquaspark ltd
Rating: 5 out of 5
Extension Builder in Thornton Heath
We are plumbing, Heating and general building company based in south west London. We are fully GAS SAFE qualified and fully INSURED. Expert in all makes of Boiler repairs and installation. Carry most of the parts in van to fix then n there to avoid cost to client. we work on Very REASONABLE COST AND ALL our work is GUARANTEED. Under floor heating Central heating Bathrooms Gas safety inspections AS A VAILLANT APPROVED CONTRACTOR WE OFFER UP TO 10 YEAR GUARANTEE ON NEW BOILERS
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Latest review:
Gas Work- 6 Feb 2019
Gajraj from Aquaspark provided a very prompt and professional service. He was quite pleasent to speak to, and explained me the problem and solution in detail. He fixed my fireplace and cleaned up after completing. Really please about the overall experience.
Aldo
Rating: 5 out of 5
Extension Builder in Thornton Heath
Hi I’m Aldo , I work as a plumber. I’ve got 4 years experience on plumbing working for a big company. Now I’m on freelance private trader. I am able to undertake any job on plumbing, first and second fix. For any emergencies I’m available 24/7.
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Latest review:
Plumbing- 2 May 2019
Aldo was prompt, helpful, and completed job competently. Price was very reasonable. Pleasant chap to deal with.
Patron electrical LTD
Rating: 5 out of 5
Extension Builder in Thornton Heath
We are electrical company with 10 years experience, rated 10 of 10 on Checkatrade, Napit and Trustmark registred. Fully insured and certified. Our team fast, responsible and we take care of our customers.
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Latest review:
Electrical- 6 Apr 2025
Hired Patron Electrical Ltd to rewire my kitchen. Extremely happy with the works, Laszlo was such a pleasure to work with, he is very professional and takes a lot of pride in his work. I would highly recommend!!
UNDERWAY CONSTRUCTION LTD
Rating: 5 out of 5
Extension Builder in Thornton Heath
Here at Underway Construction we cover all aspects of building from extensions, conversions and refurbishments to decking, oak framing and hanging doors. Specialising in first and second fix carpentry with over 10 years experience we work alongside architects and engineers to ensure our clients are always provided a professional and reliable service.
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Latest review:
Carpentry- 3 Jul 2023
Henry did a great job installing an internal door for us. Good quality job, kept everything clean and tidy, and smooth communication.
RQ Brickwork
Rating: 5 out of 5
Extension Builder in Thornton Heath
bricklayer, undertake new builds, extensions ,garden walls stone work and repointing
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Latest review:
Bricklaying- 21 Jul 2025
Really nice guy to deal with. Job was done on time, looks good. I will definitely work with him again and would recommend.
The london Loft and Kitchen Company
Rating: 4.5 out of 5
Extension Builder in Thornton Heath
We are a southwest London Based loft and kitchen extension specialist. Our working area is very small with 90% of our jobs in Wandsworth and any work outside this area is never more than a mile or two away. With over 15 years experience in this area we know inside and out how these properties were built so when it comes to structural alterations you couldn't be in safer hands.
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Latest review:
Extensions- 16 May 2017
Initially apprehensive about using mybuilder, we found David easy going, clear and concise from the offset. The work carried out was to a high standard and any changes or questions that arose he was all to happy to answer. We found him to be pro-active in his approach, open and honest with how much items cost and sensible when agreeing monthly valuations. Both of us work in the construction industry and it is enjoyable and a breath of fresh air when you get to work with people as straight forward a David. We hope to do work with him again and would be happy to talk with anyone who is considering taking him on for additional work. Many thanks, Rob and Brom
Clarence Loft Conversions
Rating: 5 out of 5
Extension Builder in Thornton Heath
Clarence Loft Conversions is a small carpentry based building company specialising in Lofts. We cover all aspects of building works. Concentrating on one job at a time, providing a high quality finish. Covering Surrey and south west London.
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Latest review:
Building work was very well done and the boys were great. Thank you 👍
R G Property Maintenance
Rating: 4 out of 5
Extension Builder in Thornton Heath
My name is Richard I have been in the building trade for over 20 years doing Extensions loft conversions carpentry kitchen fitting and bathroom fitting. I am reliable taking pride in the work that I carry out.
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Latest review:
Carpentry- 8 Jul 2020
Richard completed an excellent job at our school, reliable, efficient and has loads of knowledge.
GBN Building Services Ltd
Rating: 5 out of 5
Extension Builder in Thornton Heath
We are a small but very experinace and reliable team.The work we undertake includes Lofts,Kitchen extension,Internal refurbishment,Bathrooms,Painting and decorating jobs, General building.
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Latest review:
Carpentry- 21 Mar 2023
Georgi did a good job. He is easy to deal with and can be relied on.
Dara Builders & Electricians
Rating: 5 out of 5
Extension Builder in Thornton Heath
Dara Builders Ltd are expert local builders based in Carshalton, South West London, specialising in house extensions, loft conversions, kitchen fitting, bathroom renovations, refurbishments, and structural alterations. We proudly serve Sutton, Wallington, Cheam, Wimbledon, Raynes Park, Purley, Banstead and nearby areas. With over 15 years’ experience and rated highly on Google Reviews, we deliver quality workmanship with trusted trades. As a Which? Trusted Trader, we offer clear communication and professional project management from start to finish. Contact Dara Builders Ltd today for reliable local building services.
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Latest review:
Hard Flooring- 30 Sep 2018
Dara Builders were fantastic I will definitely use them again. Very pleased to have found them. Great job and finish, gave helpful advise and suggestions, plus very tidy and considerate.
SAM DESIGN & BUILD LTD
Rating: 4.4 out of 5
Extension Builder in Thornton Heath
Having a wide range of experiences in designing and constructing extensions, loft conversions, alterations and new buildings with planning, structural drawings and calculation, we provide full range of service from planning and design to construction. Electrical, gas safe, plumbing and heating are also part of our wide range of services. Load bearing wall removal, chimney breasts removal, refurbishing kitchen and bathroom were also one of the most accomplished projects in last year. Look forward to hear from you.
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Latest review:
Extensions- 3 Oct 2025
Job was to convert WC in outbuilding into a full bathroom, do walls and ceiling in outbuilding to convert into an office space. Price was agreed with things planned, still with some issues towards later part of job, It worked out in the end. Overall I am giving 3-4 stars as quality of work is good. Just need to have things written down with him, and a thorough discussion on plan before commencing work and agree on payment plan. suggested to keep 20% to be paid at completion.
NEW LOOK TRADERS LTD
Rating: 5 out of 5
Extension Builder in Thornton Heath
New Look Traders is a company offering a complete building solutions. Our work ranges from small refurbishment projects to bigger scale house extensions and loft conversion. Our team consists of experienced tradesmen off all areas, whose dedication and commitment allows us to deliver high quality work.
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Latest review:
Restoration & Refurbishment- 5 Apr 2025
Where do I begin? So Alex and his team has pretty much renovated two flats including external work such as roofing. The work involved was quite challenging as the building has a lot of damp / mould / leaking issues. Alex’s attitude towards resolving every matter was exemplary. He would take his time to explain his strategy to tackle each and every problem in a very metholodical way. I have never seen anything like it. I am so pleased with Alex’s work and so are my tenants who live in the flats. I would highly recommend Alex, especially for tougher jobs!