From £6,418
Need to find an Extension Builder near you for all your extension buildering work?
Leith All Building & Decorating provides a local, truste...
From £6,386
Surbiton Surrey, KT5
Trusted and professional extension builder in Surbiton. Experienced in all extension buildering work and keeping within budget and on quote. Active...
From £6,514
Need an Extension Builder in Surbiton? Lime Showrooms Ltd. has been helping local clients (10 mile radius) with their extension buildering jobs for...
From £6,362
Trusted and professional extension builder in Surbiton. Experienced in all extension buildering work and keeping within budget and on quote. Eminen...
From £6,322
P L CONTRACTORS DESIGN & BUILD is a trusted extension builder serving customers in Surbiton and the surrounding area. Contact us to today to get a ...
From £6,346
Experienced extension builder ready to quote for your work. Martini Building Contractors is the best extension builder in Surbiton. No obligation f...
From £6,642
solaes construction is an established extension buildering business in Surbiton. We come highly recommended and provide competitive quotes for your...
From £6,570
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,386
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,250
Based in the centre of Surbiton we are proud to serve the surrounding areas, as specialists in residential and commercial roofing services, we are ...

Concrete foundations range from the £6,250 (Maple Roofing Ltd based in KT1) to £6,642 (Solaes construction based in kt6) in Surbiton.
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 Surbiton 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 - £17,670

Two storey extension - £88,254

Build a timber frame extension - £26,170

Build a swimming pool - £81,170

Single storey extension - £58,392

Side return extension - £43,408

Install an RSJ - £2,370

Outbuilding - £10,170

Build a Mansard loft conversion - £52,170

Loft conversion - £35,340

Build a kitchen extension - £42,170

Hip to gable loft conversion - £42,170

Granny annexe - £87,170

Garden office - £10,170

Convert a Garage - £16,170

Garage - £18,670

Build a flat roof extension - £22,170

Build a dormer loft conversion - £42,170

Concrete foundations - £6,420

Convert a bungalow loft - £29,170

Convert a basement - £39,408