From £17,580
Experienced extension builder ready to quote for your work. Probuilder London Ltd is the best extension builder in Petts Wood. No obligation free q...
From £17,692
Oakmore Builders Limited is a trusted extension builder serving customers in Petts Wood and the surrounding area. Contact us to today to get a comp...
From £17,508
LBS Builders is an established and experienced local extension builder in Petts Wood. Please contact us for a free, no obligation quote and competi...
From £17,580
Need an Extension Builder in Petts Wood? Cygnus Construction has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £17,596
Need an Extension Builder in Petts Wood? P&k Building Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for ...
From £17,716
Relax... you have found a reliable extension builder in Petts Wood. POVERSET BUILDING COMPANY is a friendly and reliable company based in Petts Woo...
From £17,364
Need an Extension Builder in Petts Wood? RJC BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs...
From £17,580
Alpha Construction Building Company ltd. undertakes a wide variety of refurbishment works from roofing, kitchens and bathrooms to lofts extensions ...
From £17,508
Ha property services is an established and experienced local extension builder in Petts Wood. Please contact us for a free, no obligation quote and...
From £17,836
Our building services company Precise Building Limited have fifteen-year experience of helping customers in Kent and the surrounding area by provid...

Underpinning ranges from £17,364 (RJC BUILDING SERVICES based in BR5) to £17,836 (Precise Building Limited based in BR5), 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 Petts Wood by posting a job with HaMuch and we will send it to extension builders in Petts Wood.
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 - £17,596

Two storey extension - £88,144

Build a timber frame extension - £26,096

Build a swimming pool - £81,096

Single storey extension - £56,920

Side return extension - £42,580

Install an RSJ - £2,296

Outbuilding - £10,096

Build a Mansard loft conversion - £52,096

Loft conversion - £34,650

Build a kitchen extension - £42,096

Hip to gable loft conversion - £42,096

Granny annexe - £87,096

Garden office - £10,096

Convert a Garage - £16,096

Garage - £18,596

Build a flat roof extension - £22,096

Build a dormer loft conversion - £42,096

Concrete foundations - £6,346

Convert a bungalow loft - £29,096

Convert a basement - £38,580