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QA's Pointing and Brick Repair
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in SW8. QA's Pointing and Brick Repair is a friendly and reliable company based in SW8 who con...
"A 8 meter by 1 story high wall to removed clear way and rebuild" - SW4, job posted 18/08/25
D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in SW8. No obligation free qu...
"To divide a room" - SW2, job posted 08/07/25
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in SW8. We offer a competitive rate to complete all your extension bui...
"Basement conversion" - LAMBETH, job posted 02/05/25
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in SW8. No obligation free quot...
"Extension to lower ground area." - SW9, job posted 28/03/25
DUWIX BUILDING MAINTENANCE
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in SW8. We offer a competitive rate to complete all your extens...
Building and Plastering Solution
Peter Cesma
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
F & F Building Services
F & F Building Services is an established extension buildering business in SW8. We come highly recommended and provide competitive quotes for your ...
R C BUILDER
R C BUILDER is a trusted extension builder serving customers in SW8 and the surrounding area. Contact us to today to get a competitive quote for ex...
Pure Contractors Ltd
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
BUILD TEAM
Need to find an Extension Builder near you for all your extension buildering work?
BUILD TEAM provides a local, trusted extension builderin...
£40/hr
£248/day
Palm Property Developments Ltd
Experienced extension builder ready to quote for your work. Palm Property Developments Ltd is the best extension builder in SW8. No obligation free...
£40/hr
£247/day
KÖK London ltd.
Need an Extension Builder in SW8? KÖK London ltd. has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
£50/hr
£312/day
Loran Design and Build Ltd
Our building services company Loran Design and Build Ltd was established in 2020 but have been providing customers in Clapham and the surrounding a...
£45/hr
£282/day
M. Watkins and Sons Ltd
M. Watkins and Sons Ltd is an established and experienced local extension builder in SW8. Please contact us for a free, no obligation quote and com...
£48/hr
£307/day
South London Conversions Ltd
Relax... you have found a reliable extension builder in SW8. South London Conversions Ltd is a friendly and reliable company based in SW8 who consi...
£26/hr
£26/day
London Design And Build
London Design And Build
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
£39/hr
£245/day
Werner and Werner Limited
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£45/hr
£282/day
Exquisite Build
Greater London, SW8
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£44/hr
£275/day
Build Team
Need an Extension Builder in SW8? Build Team has been helping local clients (5 mile radius) with their extension buildering jobs for many years. Ge...
Quickly find an Extension Builder in SW8
Use these steps to find Extension Builders in SW8 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SW8. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local SW8 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,152

Garden office - £10,152

Granny annexe - £87,152

Build a flat roof extension - £22,152

Convert a Garage - £16,152

Hip to gable loft conversion - £42,152

Convert a bungalow loft - £29,152

Build a dormer loft conversion - £42,152

Build a swimming pool - £81,152

Build a Mansard loft conversion - £52,152

Concrete foundations - £6,402

Underpin a building - £17,652

Two storey extension - £88,228

Convert a basement - £39,210

Side return extension - £43,210

Loft conversion - £35,175

Garage - £18,652

Single storey extension - £58,040

Outbuilding - £10,152

Install an RSJ - £2,352

Build a kitchen extension - £42,152
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