From £6,234
Surrey, SW14
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,218
MCB Developments is an established extension buildering business in SW14. We come highly recommended and provide competitive quotes for your work.<...
From £6,738
Surrey, SW14
Metos Design & Build is a property renovation and bespoke kitchen company based in South West London. With two decades of experience and an excepti...
From £6,570
Gem Look Construction specialise in large refurbishments, extensions, loft conversions and more. Offering a full Design & Build service we are able...
From £6,314
Greater London, SW14
Raylian Power Design are here to help customers who need an Extension Builder in SW14. We offer a competitive rate to complete all your extension b...
From £6,290
Our specialist and diverse skill sets include: concept design, design Illustration and detailing, layout drawings, project management, architectura...
From £6,402
Greater London, SW14
Experienced extension builder ready to quote for your work. Build Space London Ltd is the best extension builder in SW14. No obligation free quotes...
From £6,602
Experienced extension builder ready to quote for your work. Convert Construction Ltd is the best extension builder in SW14. No obligation free quot...
From £6,626
Greater London, SW14
Need to find an Extension Builder near you for all your extension buildering work?
Family developments Ltd provides a local, trusted extens...
From £6,218
Need to find an Extension Builder near you for all your extension buildering work?
Embury Building Services Ltd provides a local, trusted e...

Concrete foundations range from the £6,218 (MCB Developments based in SW14) to £6,738 (Metos Design & Build based in SW14) in SW14.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in SW14 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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.

Underpin a building - £17,671

Two storey extension - £88,257

Build a timber frame extension - £26,171

Build a swimming pool - £81,171

Single storey extension - £58,424

Side return extension - £43,426

Install an RSJ - £2,371

Outbuilding - £10,171

Build a Mansard loft conversion - £52,171

Loft conversion - £35,355

Build a kitchen extension - £42,171

Hip to gable loft conversion - £42,171

Granny annexe - £87,171

Garden office - £10,171

Convert a Garage - £16,171

Garage - £18,671

Build a flat roof extension - £22,171

Build a dormer loft conversion - £42,171

Concrete foundations - £6,421

Convert a bungalow loft - £29,171

Convert a basement - £39,426