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Find an Extension Builder in Windsor
Find a local extension builder near you. We have 7,133 trusted and reviewed extension builders in Windsor to choose from, based on 3,207 reviews.
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Extension Builders in Windsor
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Pwa roofing Tile roofing Slate roofing Lead work Flat roof Edpm rubber Flexitex, Veluxs windows installation and replacement PWA roofing has been gong for around 18 years now we do all aspects of roofing and work comes with all guarantees
Latest Garage Conversion Review
"Paul and Charlie were brilliant, stepping in to sort my garage repair that had gone wrong. They fitted the job in at short notice, and worked to a high standard for a great price. Strongly recommended."
Reviewed by Sam on 28th Jul 2026Based in SL4 3QB,
Windsor
Extension Builder covering Windsor
Member since Oct 2022
Public liability insurance
Homes Construction & Renovations Design. Build. Transform. www.homeconstructionrenovations.com Since 2020, Delivering exceptional craftsmanship & innovative solutions across London and surrounding areas up to 50 miles. We specialise in loft convers...
Latest Builder Review
"We recently had our property refurbished by Home Constructions and Renovation, and we couldn’t be happier with the results. From start to finish, the team was professional, reliable, and highly skilled. Their attention to detail a..."
Reviewed by Zolo Solo on 30th Jul 2026Based in UB7 0HR,
Sipson
Extension Builder covering Windsor
Member since Feb 2026
ID Checked
M&A Sakhi construction Ltd provides an array of top-quality home improvement services, including professional loft , extension, garage, driveway , painting and decorating, tiling, flooring, bathroom, kitchen and complete home refurbishments. We h...
Latest Loft Conversion Review
"I recently had the pleasure working with M&A Sakhi Construction. Upon the initial enquiry to completion, Narinder Bhaji and the whole team have been great. Hardworking and professional. I had various jobs done on my house, brickwo..."
Reviewed by Mohammed on 24th Jul 2026Based in CV5 7LE,
Coventry
Extension Builder covering Windsor
Member since Jan 2024
Public liability insurance
Houseline Construction Ltd is a trusted design and build contractor specialising in high-quality residential construction throughout Surrey, Berkshire, Buckinghamshire, West London and the surrounding areas. We deliver a complete turnkey constructio...
Latest Builder Review
"We chose Houseline Construction for our double-storey extension, and it was the best decision. Excellent communication, skilled workmanship, and a very smooth building process."
Reviewed by MARVI on 8th Jul 2026Based in SL5 7ET,
Ascot
Extension Builder covering Windsor
Member since Jun 2016
Public liability insurance
We can build your dream house. We are in business from 21 years and we are located in Bracknell but we can work anywhere. We build an extension and loft conversion. We can do brick laying and roofs, we can do walls partition, plasterboard and skimmin...
Latest Garden Wall Review
"Very professional and knowledgeable trade, build works were done within the timeline and spotless"
Reviewed by Marinela on 25th May 2026Based in RG12 9YF,
Winkfield Row
Extension Builder covering Windsor
Member since Jan 2023
Public liability insurance
Been in business for over 25 years done very big jobs got a very good team of workers we do get jobs on time.
Based in SL4 3EB,
Windsor
Extension Builder covering Windsor
Member since Jul 2026
As a professional Home Builder, the talented team at The Small Build Company only works with the best materials. Our staff members produce consistent results and offer reliable work ethics on every project they work on. Everything we work on is built...
Based in SL4 3NH,
Windsor
Extension Builder covering Windsor
Member since Jan 2024
We are general builders with 30 years experience p
Based in SL4 4JS,
Windsor
Extension Builder covering Windsor
Member since Jan 2025
A small company ,with top skilled workers based in maidenhead operating since 2019 every job is to customer satisfaction No deposit till you see our work. NIL DEPOSIT . No sub contractors. No ripp off. No lies . Stage payments. Quality work...
Based in SL4 5LR,
Windsor
Extension Builder covering Windsor
Member since Mar 2020
ID Checked
With 10 years of experience, we are a dynamic construction based company that provides the very best in service and quality. We have many happy clients who’ve recommended us in the past. Over the past few years, we’ve worked on both residential an...
Based in SL4 4HU,
Windsor
Extension Builder covering Windsor
Member since Oct 2015
Hi I’m Charlie owner of Ga building and groundwork’s solutions We aim to provide a quality service with quality materials making it easier for you as a homeowner to have work done If you’re looking for a builder, please feel free to get in contact fo...
Based in SL4 2RS,
Old Windsor
Extension Builder covering Windsor
Member since Jul 2025
We are a family business working from small to big projects loft, extension, garden all work from A to Z established in 2019 and all ours employees are having over 20 years experience Let's Work Together!
Latest Garage Conversion Review
"Flexible, hard working, good communication and first class finish"
Reviewed by Tony on 15th Aug 2026Based in HA5 2QH,
Pinner
Extension Builder covering Windsor
Member since Jan 2026
ID Checked
Building and maintenance company trading for35 years ,all aspects of the building works undertaken quickly efficiently and professionally and most of all reliably.
Latest General Maintenance Review
"Very knowledgeable, friendly and efficient. Gave me quotes for a few different variations of this job, which was super helpful. He explained what needed to happen next before he would be able to start the job so we're in the proce..."
Reviewed by Nic on 10th Aug 2026Based in GU15 3BB,
Camberley
Extension Builder covering Windsor
Member since Apr 2020
ID Checked
- Walls, ceiling, coving - Internal or external walls - Varnishing - Wallpapering - Special effects And more Plumbing - water - waste - dishwasher or washing machine connection - kitchen/bathroom sink with tap Garden - garden furniture - decking - re...
Latest Plaster Skimming Review
"Dariusz, thank you for all your hard work. You did everything we asked to a high standard and were reliable, professional, and easy to deal with throughout. We're very pleased with the results."
Reviewed by Heleen on 28th Jul 2026Based in SL2 1UE,
Slough
Extension Builder covering Windsor
Member since Dec 2017
ID Checked
RKL Design & Build are specialists in hard landscaping and home extensions, offering a truly comprehensive, 360° service that takes your project seamlessly from initial design through to final construction. Whether it’s reshaping an outdoor space...
Latest Builder Review
"I recently had the pleasure of working with Luke and Kyle who completed a garage extension that included a stunning new kitchen. After a frustrating experience with a previous builder, I was relieved to find a team that not only a..."
Reviewed by Simi on 22nd Jul 2026Based in SL1 5FR,
Slough
Extension Builder covering Windsor
Member since Jul 2026
ID Checked
special team we carry out interior and exterior design at the lowest prices. tiles, plaster, multi, finish, repair, paint, interior and exterior painting, fit terraces, deking gardens, first plumbing, second plumbing, complete bathrooms and kitche...
Latest Internal Renovation / Reconfiguration Review
"Marco and his team did a brilliant job renovating our one-bedroom flat. They worked at an impressive pace while ensuring every aspect of the project was completed to a very high standard. Their attention to detail and quality of w..."
Reviewed by Mubeen on 19th Jul 2026Based in SL3 8RS,
Slough
Extension Builder covering Windsor
Member since Apr 2025
ID Checked
With over seven years of experience in the construction industry, We are a Hayes-based company delivering high-quality building services. Our highly qualified team is committed to excellence, ensuring superior workmanship on every project. We spe...
Latest Builder Review
"⭐⭐⭐⭐⭐ Outstanding from start to finish. Finding a builder you can genuinely trust isn’t easy, but these guys exceeded all expectations. The level of professionalism, knowledge, and attention to detail was evident from d..."
Reviewed by Pritesh Pattani on 24th Jun 2026Based in UB4 8DA,
Hayes
Extension Builder covering Windsor
Member since Feb 2026
ID Checked
Hi … am honest builder…. With work,s…………………………………?
Latest General Brick Laying Review
"Before starting my full house renovation which included a 28 sq meter rear extension, garage conversion and a Dormer Loft conversion, i was very cautious and scared after hearing all the stories about builders running away with mo..."
Reviewed by Moazam on 14th Jun 2026Based in UB3 2JN,
Hayes
Extension Builder covering Windsor
Member since Oct 2024
ID Checked
Lampard Property Renovations At Lampard Property Renovations, we understand that we're not just working on a building we're working on your home, your investment, and the future you've worked hard to build. Some builders see another job, we see the...
Latest Builder Review
"I cannot recommend Lampard Property Renovations highly enough. From start to finish, the professionalism, workmanship, and attention to detail were outstanding. Every aspect of the project was completed to an exceptionally high st..."
Reviewed by Lucy greely on 11th Jun 2026Based in GU1 1LR,
Guildford
Extension Builder covering Windsor
Member since Feb 2023
ID Checked
I've been building, mainly in the Thames valley residential extension/refurbishment market, for over 25 years. This wealth of experience coupled with a great eye for detail allows me to provide my customers with quality, cost effective solutions to t...
Latest General Maintenance Review
"amazing, lovely and polite"
Reviewed by Daniel on 9th Jun 2026Based in GU47 0RY,
College Town
Extension Builder covering Windsor
Member since May 2026
ID Checked
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All reviews are submitted by homeowners who have had work completed as part of using our service. Whilst every effort is made to verify and check reviews, we ask all homeowners to conduct their own research and follow our Homeowner Checklist before hiring.
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