Builders
Carpenters
Electricians
Flooring Specialists
Gardeners
Handymen
Heating Engineers
Painters & Decorators
Plasterers & Renderers
Plumbers
Roofers
Tilers
my
How it works
Ask a trade
Cost guides
Categories
Find an Extension Builder in Windsor
Find a local extension builder near you. We have 6,897 trusted and reviewed extension builders in Windsor to choose from, based on 2,971 reviews.
POST YOUR JOB
Tell us about the work you need doing around your home.
RECEIVE UP TO 3 QUOTES
Up to 3 Extension Builders in Windsor will then be in touch to quote for the work.
CHOOSE YOUR EXTENSION BUILDER
Compare quotes then choose your preferred Windsor Extension Builder.
Extension Builders in Windsor
Filter by:
- Within 60 minutes
- Within 45 minutes
- Within 30 minutes
- Within 20 minutes
- Within 10 minutes
- Any rating
- 5 star rating
- 4 star rating
- 3 star rating
Sort by:
- Recommended
- Closest
- Most reviews
- Highest rating
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 Chimney Building / Repair Review
"good communication , job completed professionally in a timely manner"
Reviewed by Stephen on 14th Feb 2026Based in SL4 3QB,
Windsor
Extension Builder covering Windsor
Member since Oct 2022
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
Build smart. Build better. We are hugely experienced specialist builders of 34 years who renovate, build extensions and loft conversions, driveways and patios, decorating, bathrooms and kitchens. We have specialist teams for all disciplines. Excellen...
Based in SL4 1PD,
Windsor
Extension Builder covering Windsor
Member since Jun 2025
Public liability insurance
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
Professional Painter & Decorator offering interior and exterior painting, woodwork, walls, ceilings, skirting boards, and full property redecoration. Clean, reliable, affordable, and high-quality workmanship. Free quotes available.
Latest External Painting - Wall Review
"Very hardworking professional, completed works to a highest standard. Thoroughly recommended!!!!!"
Reviewed by Dipendra on 15th Jun 2026Based in SL1 1SP,
Slough
Extension Builder covering Windsor
Member since May 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
At EJS Brickwork we specialise in all types of brickwork, patios, fencing from new builds to repairs and restorations. With years of experience, we offer reliable, high-quality work that’s built to last. Whether it’s a small repair or a full extensio...
Latest Brick / Block Paving Review
"Elliot did a great job with the reinforced concrete base for our new log cabin / garden room despite battling some bad weather and having to manually barrow the concrete from the mixer to the back of the garden. Always available o..."
Reviewed by Paul on 19th May 2026Based in RG10 0QE,
Shurlock Row
Extension Builder covering Windsor
Member since Aug 2025
Public liability insurance
We are a Windsor based property care company who are highly motivated in going the extra mile to maintain homes, we cover all aspects of work from repairing roofs fully fitted new roofs , to all aspects of damp proofing and groundwork or fully new...
Latest Lawns - Turfing / Seeding Review
"This was an extremely challenging job that Danny took on and completed brilliantly. The work involved demolition of an old garage containing asbestos, clearing out a garage that had been rammed full of items collected over the pas..."
Reviewed by Sharon on 8th May 2026Based in SL3 9NR,
Horton
Extension Builder covering Windsor
Member since Oct 2023
ID Checked
We cover all aspects of building work as we have vary reliable team. Carpentry/joinery Loft conversions Plumbing Electrics Extensions Refurbs Tiling Extensions Kitchens Lofts conversion
Latest Builder Review
"Great job thanks Luke"
Reviewed by M lane on 9th Mar 2026Based in TW1,
Twickenham
Extension Builder covering Windsor
Member since Mar 2026
Public liability insurance
Based in Chalfont St Giles, Tommy Custom Builds are your trusted local experts for all things building and renovation. From extensions and refurbishments to new builds and outdoor projects, we bring quality craftsmanship and a hands-on approach to ev...
Latest General Maintenance Review
"Helpful and polite. Listened to our specific needs and sorted out the loft ladder and installed it. Very pleased with the work and he even vacuumed up afterwards. We would recommend him and would definitely use him again."
Reviewed by Julie on 9th Feb 2026Based in HP8 4RA,
Chalfont Saint Giles
Extension Builder covering Windsor
Member since Nov 2024
ID Checked
At OJ Kennedy Construction, we take pride in delivering high-quality construction services with a personal touch. Based in Gerrards Cross, we are a small but dedicated team of skilled tradesmen committed to excellence, reliability, and transparency....
Latest Brick/Block Paving Review
"Great service and very professional quality workmanship clean and tidy would highly recommend"
Reviewed by Ron on 27th Jan 2026Based in SL9 7QA,
Gerrards Cross
Extension Builder covering Windsor
Member since Jul 2025
ID Checked
We are a family business working from small to big project 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 Builder Review
"Thank you for the work you've done for us We are very pleased with work Chris did for us and we definitely recommend him to our friends and families"
Reviewed by Marco on 23rd Jan 2026Based in HA5 2QH,
Pinner
Extension Builder covering Windsor
Member since Jan 2026
ID Checked
M4 Construction | Building & Bathroom Specialists ?️? Transforming homes with expert craftsmanship and a keen eye for detail. • Building: Extensions, renovations, and structural excellence. • Bathrooms: Bespoke designs, luxury tiling, and expert...
Latest Bathroom Specialist Review
"I’m extremely happy with the bathroom work they did for me. From start to finish, the team was professional, reliable, and easy to communicate with. They showed up on time, explained everything clearly, and paid close attention to..."
Reviewed by Christina Cherian on 13th Jan 2026Based in UB3 1LJ,
Hayes
Extension Builder covering Windsor
Member since Jan 2026
ID Checked
We are a team of experienced tradespeople, we carry out all aspects of building work Listed below are types of work we carry Brickwork Carpentry Decorating Ground work Gutters Landscaping Roofing Plastering Property maintenance Just to na...
Latest General Maintenance Review
"Job completed in a day, removal of bricks to install a lintel above patio door and bricks replaces once lintel had been installed. Professional done I would recommend using this team."
Reviewed by Maubeen on 9th Dec 2025Based in HP14 3XB,
High Wycombe
Extension Builder covering Windsor
Member since Aug 2022
ID Checked
TOWNS NEAR WINDSOR
- Extension Builders in Eton
- Extension Builders in Datchet
- Extension Builders in Eton Wick
- Extension Builders in Slough
- Extension Builders in Wraysbury
- Extension Builders in Cranbourne
- Extension Builders in Poyle
- Extension Builders in Egham
- Extension Builders in Stoke Poges
- Extension Builders in Richings Park
- Extension Builders in Staines-upon-Thames
- Extension Builders in North Ascot
- Extension Builders in Maidenhead
- Extension Builders in Iver Heath
- Extension Builders in Ashford
- Extension Builders in Cookham
- Extension Builders in Bracknell
- Extension Builders in Baker's Wood
- Extension Builders in Chertsey
- Extension Builders in Gerrards Cross
Other trades
- Bathroom Specialists
- Bricklayers
- Builders
- Carpet Layers
- Chimney Builders
- Cleaners
- Door Fitters
- Driveway Specialists
- Electricians
- Extension Builders
- Fascias Specialists
- Flat Pack Assemblers
- Flat Roofers
- Flooring Specialists
- Garage Convertors
- Garden Clearance Specialists
- Garden Maintainers
- Garden Shed Builders
- Gardeners
- Gas Boiler Engineers
- Gas Fire Engineers
- Gas Oven & Hob Engineers
- Guttering Specialists
- Handymen
- Hard Landscapers
- Heating Engineers
- Internal Renovators
- Joiners
- Kitchen Fitters
- Laminate Flooring Specialists
- Lawn Turfers
- Locksmiths
- Loft Specialists
- Outbuilding Construction Specialists
- Painters & Decorators
- Pebble Dashers
- Plasterers
- Plumbers
- Porch Builders
- Radiator Engineers
- Roofers
- Shower Specialists
- Staircase Specialists
- Tarmac Driveway Contractors
- Tilers
- Tree Surgeons
- Underpinning Specialists
- Window Specialists
- Wooden Decking Installers
- Wooden Fence Specialists
See more trades
Our Reviews
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.
To understand more about our reviews process, please visit our Reviews Policy.
Find Extension Builders Near You
Trusted Extension Builders in other locations
- Extension Builders in Addlestone
- Extension Builders in Aldershot
- Extension Builders in Amersham
- Extension Builders in Arborfield Garrison
- Extension Builders in Ashtead
- Extension Builders in Aston Clinton
- Extension Builders in Aylesbury
- Extension Builders in Badshot Lea
- Extension Builders in Banstead
- Extension Builders in Basingstoke
- Extension Builders in Beaconsfield
- Extension Builders in Benson
- Extension Builders in Berinsfield
- Extension Builders in Berkhamsted
- Extension Builders in Blackwater
Recently posted Extension Builders jobs
Join over 1,000,000 happy homeowners who have posted their job on MyJobQuote.
Are you a trade? Become a member and get access to local jobs today!
See demand near you
Recent Extension Builder Articles
Over 1 million homeowners and over 50,000 tradespeople
use MyJobQuote nationwide each year