Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in North Cheam. Experienced in all extension buildering work and keeping within budget and on quote. CSJ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Homeowners look no further if you want a qualified extension builder to work in your home. LCD Pixel Construction Ltd are tidy and neat, providing ...
Tom Flanagan
Very experienced Builder in this area ,Epsom Sutton Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...
Trusted and professional extension builder in North Cheam. Experienced in all extension buildering work and keeping within budget and on quote. Rac...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
Racsel Building Services Ltd provides a local, trusted e...
Experienced extension builder ready to quote for your work. NCN Projects is the best extension builder in North Cheam. No obligation free quotes an...

Underpinning ranges from £17,436 (Masters Property Services based in SM5) to £18,004 (CSJ Building Services based in SM1), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in North Cheam by posting a job with HaMuch and we will send it to extension builders in North Cheam.
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 - £17,696

Two storey extension - £88,294

Build a timber frame extension - £26,196

Build a swimming pool - £81,196

Single storey extension - £58,920

Side return extension - £43,705

Install an RSJ - £2,396

Outbuilding - £10,196

Build a Mansard loft conversion - £52,196

Loft conversion - £35,588

Build a kitchen extension - £42,196

Hip to gable loft conversion - £42,196

Granny annexe - £87,196

Garden office - £10,196

Convert a Garage - £16,196

Garage - £18,696

Build a flat roof extension - £22,196

Build a dormer loft conversion - £42,196

Concrete foundations - £6,446

Convert a bungalow loft - £29,196

Convert a basement - £39,705