Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Peckham. No obligation free quotes a...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Peckham. No obligation fre...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Peckham. No obligation free ...
Trusted and professional extension builder in Peckham. Experienced in all extension buildering work and keeping within budget and on quote. Vidanov...
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in Peckham. We offer a competitive rate to complete all your ex...
Peter Cesma
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
Daniel Dixon
Need to find an Extension Builder near you for all your extension buildering work?
Renobuild Group provides a local, trusted extension buil...
Quality Carpentry is a trusted extension builder serving customers in Peckham and the surrounding area. Contact us to today to get a competitive qu...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Peckham it ranges from £2,256 (The Perfectionist based in SE22) to £2,656 (Ask Building based in SE1).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in Peckham by posting a job with HaMuch and we will send it to extension builders in Peckham.
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 - £17,722

Two storey extension - £88,332

Build a timber frame extension - £26,222

Build a swimming pool - £81,222

Single storey extension - £59,432

Side return extension - £43,993

Install an RSJ - £2,422

Outbuilding - £10,222

Build a Mansard loft conversion - £52,222

Loft conversion - £35,828

Build a kitchen extension - £42,222

Hip to gable loft conversion - £42,222

Granny annexe - £87,222

Garden office - £10,222

Convert a Garage - £16,222

Garage - £18,722

Build a flat roof extension - £22,222

Build a dormer loft conversion - £42,222

Concrete foundations - £6,472

Convert a bungalow loft - £29,222

Convert a basement - £39,993