From £408
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
From £2,192
Relax... you have found a reliable extension builder in Victoria Station. London Projects Ltd is a friendly and reliable company based in Victoria ...
From £2,176
A to Z Builders Ltd are here to help customers who need an Extension Builder in Victoria Station. We offer a competitive rate to complete all your ...
From £2,456
F & F Building Services is an established extension buildering business in Victoria Station. We come highly recommended and provide competitive quo...
From £2,584
Experienced extension builder ready to quote for your work. Future Homes Design and Build is the best extension builder in Victoria Station. No obl...
From £2,536
Luxury Movement is an established extension buildering business in Victoria Station. We come highly recommended and provide competitive quotes for ...
From £2,552
Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in Victoria Station. No obligation free qu...
From £2,304
Trusted and professional extension builder in Victoria Station. Experienced in all extension buildering work and keeping within budget and on quote...
From £2,520
Cliden Construction (London) is a trusted extension builder serving customers in Victoria Station and the surrounding area. Contact us to today to ...
From £2,224
At Alt Construction we provide a complete and professional turnkey construction service for internal alterations, extensions, including detailed de...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Victoria Station it ranges from £408 (London Design And Build based in SW1A) to £2,584 (Future Homes Design and Build based in W1K).
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 Victoria Station by posting a job with HaMuch and we will send it to extension builders in Victoria Station.
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 - £17,495

Two storey extension - £87,993

Build a timber frame extension - £25,995

Build a swimming pool - £80,995

Single storey extension - £54,904

Side return extension - £41,446

Install an RSJ - £2,195

Outbuilding - £9,995

Build a Mansard loft conversion - £51,995

Loft conversion - £33,705

Build a kitchen extension - £41,995

Hip to gable loft conversion - £41,995

Granny annexe - £86,995

Garden office - £9,995

Convert a Garage - £15,995

Garage - £18,495

Build a flat roof extension - £21,995

Build a dormer loft conversion - £41,995

Concrete foundations - £6,245

Convert a bungalow loft - £28,995

Convert a basement - £37,446