Loft Conversion Companies in Brentford | MyBuilder

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Some of our top rated loft conversion companies in Brentford

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Alpha Development
Rating: 4.5 out of 5
Loft Conversion Company in Brentford
We undertake all carpentry and joinery works with over 25 year’s experience. Specialise in fitted furniture, kitchens and all other carpentry works.
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Latest review:
Carpentry- 26 Jun 2024
Top class service from Alan & team would highly recommend and will definitely use again
Ava Constructions & Decors
Rating: 4.9 out of 5
Loft Conversion Company in Brentford
Ava Constructions & Decors Ltd is a UK-based construction and renovation company committed to delivering top-quality craftsmanship and reliable project management. We specialise in full refurbishments, extensions, bathroom and kitchen installations, and commercial fit-outs — always tailored to the client’s vision and delivered to the highest UK building standards. With a keen focus on transparency, timelines, and customer satisfaction, Ava Constructions has earned the trust of homeowners, investors, and developers alike. Punctuality and completion of work on time are a priority .Our team always respect the client wishes and work with them to achieve the best possible results to their satisfaction. Thank you in advance
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Extensions- 16 Apr 2026
I would not recommend this builder based on my experience. Instead of using crushed concrete they used soil to fill the house flooring for underfloor heating. 1 The project suffered from poor communication, repeated delays, and a lack of clarity around responsibilities. There were serious issues with the foundation works, which failed Building Control inspection and now require remedial engineering input before works can proceed. The site was also left incomplete and not in an acceptable condition. Despite substantial payments being made, key documentation, technical responses, and follow-through were lacking, leaving me to resolve major compliance and structural issues independently. My experience has resulted in delay, additional cost, and considerable stress. I would strongly advise others to ensure there is a detailed written contract, clear scope of works, and defined accountability
Cool Dudes Construction
Rating: 5 out of 5
Loft Conversion Company in Brentford
We do all sort of house renovations including new build extensions and loft conversions , bathrooms . Your satisfaction is our job
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Loft Conversion- 18 Feb 2024
I wanted to express my gratitude for the exceptional work done by Cool Dudes Construction on my loft and bungalow conversion project. Despite an initial estimate of 12 wks, it was completed to a high standard within 15 wks, with only a minimal 3-wk delay due to 3rd parties (window suppliers) and the holiday season. A complex project. Full rebuild of bungalow, which included hip to gable conversion, rear loft dormer, stair, ground floor extension and full ground floor rennovations (1st & 2nd fix). Mandeep and Balwinder tackled a complex design that involved the integration of steel beams and pillars. They coordinated with various suppliers and also helped me to order skylights, windows, and doors, ensuring timely delivery and installation to keep the project on track. Team always showed professionalism, ensuring that they were always punctual, tidy, and respectful. Commitment to completing the project on time was evident, they maintained open communication throughout. One +ve aspect was their willingness to work with a private building control company that i hired, which ensured compliance with regulations. Another +ve aspect of working with them was clear payment milestones in the agreement. Payment was made on completion of milestones, which provided transparency and reassurance throughout the project. Extremely satisfied with the build and would not hesitate to recommend Cool Dudes Construction to others seeking reliable and efficient building services.
Jozef
Rating: 5 out of 5
Loft Conversion Company in Brentford
Hi My name is Jozef I have joined My builder to provide you with the best building services. I have been working as building tradesman for 12 years , during that time I have learned how to meet high standard along with client satisfaction. I would like to personally meet you and discuss how I could be any help to you. Regards J.Zolnierek
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Latest review:
Handyman- 19 May 2016
Definitely will use him again
Doherty Builders (Tedd) Limited
Rating: 5 out of 5
Loft Conversion Company in Brentford
An honest good quality, reasonably priced family builders. Over 30 years experience. We take pride in working to a high standard and get great satisfaction knowing clients are happy with our work, many return to us. Once starting we never leave until the job is finished
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Groundwork & Foundations- 9 Oct 2017
Excellent work, and I'm very happy with my concrete plinth. The work was done on time and to schedule. All preparatory stuff was sorted, i.e. skip, license etc and after completion the site was left spotless. And all this for a very competitive price. Can't recommend these lovely guys highly enough and will certainly use them again.
Property DMR Services Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentford
Property DMR Services Ltd is a high end building company that specialises in refurbishing high end properties in and around London. All our work is insured & guaranteed. We undertake Basement Construction & Waterproofing, Extensions, Loft Conversions & Renovation, Decorating and wallpapering plus Bespoke Joinery & Shop Fitting
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Restoration & Refurbishment- 12 Sep 2024
From the first impression, throughout the early stage discussions and right up to the end - Matthew was consistently punctual, fair, thorough and reliable. Excellent execution of jobs and flat was left tidier than before. Would not hesitate in hiring him again or recommending.
SHIVAY DEVELOPMENTS LTD
Rating: 5 out of 5
Loft Conversion Company in Brentford
From Concepts to Creations, Shivay Developments Ltd has combined experience of over 15 years in Construction trade. Our team consist Expert Tradesmen and Experienced Project Managers with a single point of responsibility and accountability throughout the construction process.
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Latest review:
Loft Conversion- 3 May 2020
Happy with the work completed. Resolved any issues quickly. Would definitely use again.
ELB Construction services LTD
Rating: 5 out of 5
Loft Conversion Company in Brentford
Established, respectable construction company which specialises in all aspects of building. we pride ourselves on giving clients a personal touch. Seeing you’re project through from getting planning permission to completing works to a hi spec finish. new builds loft conversions house extensions refurbishments Basements All type of general building undertaken
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Latest review:
Extensions- 23 Dec 2022
ELB Construction completed some major garden works for me and constructed a garden office. It was a big piece of work with a lot of earth moving, significant foundations and a lot of brickwork. The ELB team, specifically Jimmy the site manager, were fantastic, always giving me the right advice about things I was not knowledgeable about, always focussed on a quality finish and flexible when we had some challenges with our neighbours. The finish is great, communication was always open and honest and they were very competitively priced. My brother in law is in corporate construction and was specifically very impressed with the quality of the brickwork that Jimmy and the team produced. Thank you to the whole team!
New build London construction LTD
Rating: 5 out of 5
Loft Conversion Company in Brentford
New build London contraction Ltd…!!! We are a professional loft conversion company specialising in transforming unused attic space into high-quality, functional living areas. With hands-on experience across all types of loft projects, we deliver complete solutions from structural work to final finish. Our services include Velux windows lofts, dormer conversions, and extensions,and all types of roofing work We work in line with UK Building Regulations to ensure every project is safe, compliant, and built to a high standard. Our focus is on: • Quality workmanship • Reliable project delivery • Attention to detail • Customer satisfaction Our goal is to add value to your home while creating comfortable and practical new living space. From planning to completion, we manage the full loft conversion process professionally and efficiently.
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Latest review:
I find Manjit and New build London construction as one of the most reliable builders working for me on my portfolio of houses. The material he provided was of the best quality. His crew is experience, reliable, fast and efficient. He oversees all work with efficiency and timed schedules on site when needed, polite and fast with response to my changes of plans. His estimates were very competitive and included all aspects of the job. And his crew was fast. Roof replacement over standard 3 bedroom house was done in two to three days. I recommended him to my neighbours and friend and they were always pleased with his work. Truly 5 stars service.
Guildkey Builder
Rating: 4.9 out of 5
Loft Conversion Company in Brentford
Guildkey Builders is a professional construction company specialising in loft conversions, home extensions, structural alterations and complete property renovations across South London and the surrounding areas. We also undertake kitchen and bathroom installations, property conversions and general building work. From the initial quotation through to completion, we focus on quality workmanship, clear communication and careful project management. Whether you want to create more living space, modernise your property or carry out a complete refurbishment, our team is committed to delivering a safe, practical and high-quality result.
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Latest review:
Loft Conversion- 18 Jul 2026
Reliable and communicative. Work completed to a high standard. Very happy.
Dymek Builders Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentford
Dymek Builders offer a complete construction service from design to build. We specialise in, loft conversion and home extensions and our bespoke services can be fully tailored to your needs. We also offer a full spectrum of decorating and kitchen fitting services for those that need specific jobs to be carried out. We are Fully insured ! Our service is friendly reliable and extremely professional! Based in Northolt we serve Central London , North-west London , West London , South-west .
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Latest review:
Loft Conversion- 14 Apr 2019
We have recently had a loft conversion done by Dymek Builders ltd. Remarkably it was within our budget and time frame. We would describe Waldek & Dymek Builders team as very reliable and trustworthy. On more than one occasion Waldek did not go for the obvious and costly solution instead he gave us an excellent advice and save as a money. Waldek kept us informed throughout the project and the quality of work is excellent. Dymek Builders ltd is a professional, friendly and qualified building firm and we have no hesitation in strongly recommending them to anyone seeking a reputable builder.
Surrey Build and Maintain
Rating: 5 out of 5
Loft Conversion Company in Brentford
Surrey Build is a newly formed business that focuses its efforts on residential dwellings. Wheather you are looking to extend upwards or outwards, or refurb we, at Surrey Build have it covered. We pride ourselves on maximising clients budgets to their full potential whilst providing an uncompromising service.
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Latest review:
Extensions- 1 Jun 2020
We choose Surrey Build & Maintain because we felt like Dan and the team really listened to our vision for the extension and shared the desire to produce something that would be an amazing improvement to our house. As with any build, there were many hurdles to overcome. Dan and the team were always there on hand to deal with challenges and overcome them in a professional and experienced fashion. We really felt that Dan was on our side and was able to find numerous ways to improve the project as well as saving money by assisting to redesign the structural plans as they were unnecessarily overzealous. The team was punctual and hard-working, often working on weekends to increase the rate of construction. We stayed at the house during the build and Dan made every effort to make the impact on us as minimal as possible, laying dust sheets, cleaning up each day and keeping a temporary kitchen available to us during the project. We took advice on key features like doors and windows from Dan during the build and absolutely loved his design input. The end result is fantastic and we barely use any other room in the house! Since Dan began the kitchen extension we have also employed Surrey Build to overhaul our bathroom as well. Highly recommended!
SuperDry Roofing & Building Specialists
Rating: 5 out of 5
Loft Conversion Company in Brentford
We specialise in providing our customers with quality home improvements at the most competitive rates. The aim is to provide our customers with an affordable, professional and reliable home improvement and building service.
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Latest review:
Roofing (Flat)- 1 Sep 2026
I contacted Pete to investigate a leak in my flat roof. The source of the leak was extremely difficult to identify, as there were no obvious signs of where water was entering the property. Pete suggested carrying out a water test, which I agreed to. The test successfully identified a potential problem area, and Pete then proposed a suitable repair. He provided a detailed quote along with photographs showing the issue, which gave me confidence in the recommended work. Once we agreed to proceed, the repair was completed professionally and to a high standard. Pete left the area clean and tidy when the job was finished. After waiting through the long dry summer for some rain, I can now confirm that the leak has been fixed. Pete was professional throughout, communicated clearly, and kept me informed at every stage. I would not hesitate to recommend him to anyone needing roofing or building work.
doc carpentry services
Rating: 5 out of 5
Loft Conversion Company in Brentford
All carpentry work undertaken by experienced qualified tradesman. as seen on tv. loft conversions//doors interior/exterior/built in wardrobes.bookcases,shelving ,wooden flooring, decking, fencing. locksmiths services. fully insured. references available.
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Latest review:
Joinery & Cabinet Making- 22 Nov 2019
Dermot O'Connor is an excellent carpenter. He is 100% trustworthy. When he says that he would be on site he would be there always on time. He is courteous and the quality of is work is exceptional. Thank you mybuilder for putting me in touch with him. I could not have had a better experience.
Inside Out
Rating: 4.9 out of 5
Loft Conversion Company in Brentford
Inside Out was formed in 2009. We are an established, London based building company operating throughout London and within the M25. We deliver an honest and straight forward service, with quality workmanship at the forefront of everything we do.
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Latest review:
Kitchen Fitting- 22 Jan 2023
Really honest professional work. Stuck to my timing against all odds as I successfully added on a few jobs aside the kitchen. Very friendly team, no stress. Extremely tidy and thorough. Would recommend Inside out under Nico again and again.
Landmark builders
Rating: 3.5 out of 5
Loft Conversion Company in Brentford
I am very disciplined with my work and i do all my job with patience and persistence so than i can do excellent work.Moreover i do all of my jobs with confidence, style as well as with the creativity. We provide various kind of construction services like painting and decoration, Demolition, Gardening, Flat roofing, Guttering, fencing, cleaning and Rubbish clearance
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Latest review:
Plumbing- 9 May 2025
I’m very disappointed with the service I received. I initially hired you to fix a leak, but the same issue reoccurred just a month later. When I contacted you, you said will go on a Monday and didnt turn up, when I sent you several messages after a week you said you were in the hospital, which I completely understood and respected. However, weeks later you promised to return on a Thursday to check the problem, and you never showed up or contacted me to explain. Since then, you’ve ignored my messages entirely. This lack of responsibility and communication is unacceptable, especially when dealing with ongoing issues in someone’s home.