Robert Buci
Buci builders ltd is a trusted extension builder serving customers in East Dulwich and the surrounding area. Contact us to today to get a competiti...
Vasi J
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
PW Construction & Renovation Ltd is a trusted extension builder serving customers in East Dulwich and the surrounding area. Contact us to today to ...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in East Dulwich. No obligation free quo...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in East Dulwich. No obligatio...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in East Dulwich. No obligation ...
Trusted and professional extension builder in East Dulwich. Experienced in all extension buildering work and keeping within budget and on quote. Vi...
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in East Dulwich. We offer a competitive rate to complete all yo...
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...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in East Dulwich it ranges from £2,184 (RCB Group Design & Build based in SE21) to £3,224 (Buci builders ltd based in SE27).
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 East Dulwich by posting a job with HaMuch and we will send it to extension builders in East Dulwich.
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 - £17,741

Two storey extension - £88,361

Build a timber frame extension - £26,241

Build a swimming pool - £81,241

Single storey extension - £59,816

Side return extension - £44,209

Install an RSJ - £2,441

Outbuilding - £10,241

Build a Mansard loft conversion - £52,241

Loft conversion - £36,008

Build a kitchen extension - £42,241

Hip to gable loft conversion - £42,241

Granny annexe - £87,241

Garden office - £10,241

Convert a Garage - £16,241

Garage - £18,741

Build a flat roof extension - £22,241

Build a dormer loft conversion - £42,241

Concrete foundations - £6,491

Convert a bungalow loft - £29,241

Convert a basement - £40,209