Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Tooting. No obligation free quo...
PW Construction & Renovation Ltd is a trusted extension builder serving customers in Tooting and the surrounding area. Contact us to today to get a...
Robert Buci
Buci builders ltd is a trusted extension builder serving customers in Tooting and the surrounding area. Contact us to today to get a competitive qu...
London Construction is an established and experienced local extension builder in Tooting. Please contact us for a free, no obligation quote and com...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Renaissance Timothy Brewer Ltd is an established extension buildering business in Tooting. We come highly recommended and provide competitive quote...
Trusted and professional extension builder in Tooting. Experienced in all extension buildering work and keeping within budget and on quote. Sonik B...
Relax... you have found a reliable extension builder in Tooting. PRM BUILDING is a friendly and reliable company based in Tooting who consider no j...
Tooting London, SW17
QSA Builders Ltd are here to help customers who need an Extension Builder in Tooting. We offer a competitive rate to complete all your extension bu...

Underpinning ranges from £17,540 (PW Construction & Renovation Ltd based in SW16) to £18,524 (Buci builders ltd based in SE27), 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 Tooting by posting a job with HaMuch and we will send it to extension builders in Tooting.
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 - £17,794

Two storey extension - £88,442

Build a timber frame extension - £26,294

Build a swimming pool - £81,294

Single storey extension - £60,888

Side return extension - £44,812

Install an RSJ - £2,494

Outbuilding - £10,294

Build a Mansard loft conversion - £52,294

Loft conversion - £36,510

Build a kitchen extension - £42,294

Hip to gable loft conversion - £42,294

Granny annexe - £87,294

Garden office - £10,294

Convert a Garage - £16,294

Garage - £18,794

Build a flat roof extension - £22,294

Build a dormer loft conversion - £42,294

Concrete foundations - £6,544

Convert a bungalow loft - £29,294

Convert a basement - £40,812