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QA's Pointing and Brick Repair
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in Earlsfield. QA's Pointing and Brick Repair is a friendly and reliable company based in Earl...
"Single storey extension" - SW18, job posted 23/03/26
Building Vision London Ltd
Building Vision London Ltd is a trusted extension builder serving customers in Earlsfield and the surrounding area. Contact us to today to get a co...
"A 8 meter by 1 story high wall to removed clear way and rebuild" - SW4, job posted 18/08/25
Red Box Maintenance Ltd
Red Box are a Fulham-based building and decorating business who work in West and Southwest London, and who specialise in fine interior renovations,...
"**St George's Hospital Toilets & Washrooms Refurbishment – £450K Opportunity** St George’s University Hospitals NHS Foundation Trust invites bids for the refurbishment of toilets and washrooms at St George’s Hospital, Tooting (SW17 0QT). Total contract value is £450,000. Project runs from..." - SW17, job posted 15/05/25
Sonik Building Services
Trusted and professional extension builder in Earlsfield. Experienced in all extension buildering work and keeping within budget and on quote. Soni...
"Single storey extension" - BALHAM, job posted 26/02/25
Renaissance Timothy Brewer Ltd
Renaissance Timothy Brewer Ltd is an established extension buildering business in Earlsfield. We come highly recommended and provide competitive qu...
AJ Wells
Need to find an Extension Builder near you for all your extension buildering work?
AJ Wells provides a local, trusted extension buildering ...
London Construction
London Construction is an established and experienced local extension builder in Earlsfield. Please contact us for a free, no obligation quote and ...
AVIB City Construction Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
KEVIN GEAR BUILDING & MAINTIAN
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
The Bleu Group
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
CW BUILDING SERVICES
Experienced extension builder ready to quote for your work. CW BUILDING SERVICES is the best extension builder in Earlsfield. No obligation free qu...
Battersea Plumbers
kanreen
Need an Extension Builder in Earlsfield? Battersea Plumbers has been helping local clients (5 mile radius) with their extension buildering jobs for...
SW15 BUILDERS LTD
Need an Extension Builder in Earlsfield? SW15 BUILDERS LTD has been helping local clients (5 mile radius) with their extension buildering jobs for ...
Soceanu Construction Ltd
John Soceanu
Earlsfield London, SW18
We offer expert restoration and refurbishment services designed to breathe new life into your property. Whether you’re looking to restore a histo...
Perfect Loft
Perfect Loft is a well established, trustworthy, reliable and professional family run business with over 15 years' experience in the trade....
The Patio Co
Earlsfield, SW18
The Patio Co is an established and experienced local extension builder in Earlsfield. Please contact us for a free, no obligation quote and competi...
Phormwork
Phormwork are here to help customers who need an Extension Builder in Earlsfield. We offer a competitive rate to complete all your extension builde...
Newspace Interiors
Earlsfield London, SW18
Newspace Interiors is an established extension buildering business in Earlsfield. We come highly recommended and provide competitive quotes for you...
London Design Collaborative
In a throwaway world, the core to our design ethos is to create cabinets and interiors of beauty and function that are timeless.Our head designer R...
Beaufort Construction London Ltd
Beaufort Construction London specialises in the design, build and project management of both residential and commercial construction projects throu...
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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 - £26,184

Garden office - £10,184

Granny annexe - £87,184

Build a flat roof extension - £22,184

Convert a Garage - £16,184

Hip to gable loft conversion - £42,184

Convert a bungalow loft - £29,184

Build a dormer loft conversion - £42,184

Build a swimming pool - £81,184

Build a Mansard loft conversion - £52,184

Concrete foundations - £6,434

Underpin a building - £17,684

Two storey extension - £88,276

Convert a basement - £39,570

Side return extension - £43,570

Loft conversion - £35,475

Garage - £18,684

Single storey extension - £58,680

Outbuilding - £10,184

Install an RSJ - £2,384

Build a kitchen extension - £42,184
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