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Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
Need to find an Extension Builder near you for all your extension buildering work?
BELLVIEW BUILDERS LTD provides a local, trusted extensio...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Maida Vale. No obligation fr...
Patrick Gavin
Need an Extension Builder in Maida Vale? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs f...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Maida Vale and the surrounding area. Contact us to today to get a competit...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Samuele Paolini
Need an Extension Builder in Maida Vale? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for m...
Patrick Kelly
Over 20 years experience
Client focussed and driven
Personal planning and completion of work
Warranty ...
Relax... you have found a reliable extension builder in Maida Vale. M & A UK Ltd is a friendly and reliable company based in Maida Vale who conside...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Maida Vale it ranges from £2,128 (BPS Building based in NW6) to £4,040 (1st & 2nd Fix Vasconstruct based in W12).
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 Maida Vale by posting a job with HaMuch and we will send it to extension builders in Maida Vale.
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 - £17,996

Two storey extension - £88,744

Build a timber frame extension - £26,496

Build a swimming pool - £81,496

Single storey extension - £64,920

Side return extension - £47,080

Install an RSJ - £2,696

Outbuilding - £10,496

Build a Mansard loft conversion - £52,496

Loft conversion - £38,400

Build a kitchen extension - £42,496

Hip to gable loft conversion - £42,496

Granny annexe - £87,496

Garden office - £10,496

Convert a Garage - £16,496

Garage - £18,996

Build a flat roof extension - £22,496

Build a dormer loft conversion - £42,496

Concrete foundations - £6,746

Convert a bungalow loft - £29,496

Convert a basement - £43,080