From £6,682
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,354
Trusted and professional extension builder in Maida Vale. Experienced in all extension buildering work and keeping within budget and on quote. ProH...
From £6,586
Cly Design offers comprehensive interior design services, from concept to final installation, and collaborates alongside a range of trusted supplie...
From £6,154
Hamilton Park Properties is an established extension buildering business in Maida Vale. We come highly recommended and provide competitive quotes f...
From £6,650
Inigo & Co. is an established extension buildering business in Maida Vale. We come highly recommended and provide competitive quotes for your work....
From £6,546
Hamilton Park is a high-end, family-run building company based in North London, we offer a professional and reliable service to homeowners, archite...
From £6,602
Need to find an Extension Builder near you for all your extension buildering work?
ADAM Carpentry provides a local, trusted extension build...
From £6,322
London Craftmasters LTD is an established and experienced local extension builder in Maida Vale. Please contact us for a free, no obligation quote ...
From £6,522
Haven Design and Build are here to help customers who need an Extension Builder in Maida Vale. We offer a competitive rate to complete all your ext...
From £6,178
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Concrete foundations range from the £6,154 (Hamilton Park Properties based in W11) to £6,682 (Blue based in NW6) in Maida Vale.
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 Maida Vale 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 - £17,710

Two storey extension - £88,314

Build a timber frame extension - £26,210

Build a swimming pool - £81,210

Single storey extension - £59,192

Side return extension - £43,858

Install an RSJ - £2,410

Outbuilding - £10,210

Build a Mansard loft conversion - £52,210

Loft conversion - £35,715

Build a kitchen extension - £42,210

Hip to gable loft conversion - £42,210

Granny annexe - £87,210

Garden office - £10,210

Convert a Garage - £16,210

Garage - £18,710

Build a flat roof extension - £22,210

Build a dormer loft conversion - £42,210

Concrete foundations - £6,460

Convert a bungalow loft - £29,210

Convert a basement - £39,858