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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
V.S.P is a trusted extension builder serving customers in Notting Hill and the surrounding area. Contact us to today to get a competitive quote for...
Jonathan Rimmer
Experienced extension builder ready to quote for your work. Mr is the best extension builder in Notting Hill. No obligation free quotes and many ha...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Patrick Gavin
Need an Extension Builder in Notting Hill? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs...
Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Notting Hill. No obligation ...
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 Notting Hill. M & A UK Ltd is a friendly and reliable company based in Notting Hill who con...
Newpark Construction are here to help customers who need an Extension Builder in Notting Hill. We offer a competitive rate to complete all your ext...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Notting Hill it ranges from £2,104 (V.S.P based in NW10) 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 Notting Hill by posting a job with HaMuch and we will send it to extension builders in Notting Hill.
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 - £17,946

Two storey extension - £88,670

Build a timber frame extension - £26,446

Build a swimming pool - £81,446

Single storey extension - £63,928

Side return extension - £46,522

Install an RSJ - £2,646

Outbuilding - £10,446

Build a Mansard loft conversion - £52,446

Loft conversion - £37,935

Build a kitchen extension - £42,446

Hip to gable loft conversion - £42,446

Granny annexe - £87,446

Garden office - £10,446

Convert a Garage - £16,446

Garage - £18,946

Build a flat roof extension - £22,446

Build a dormer loft conversion - £42,446

Concrete foundations - £6,696

Convert a bungalow loft - £29,446

Convert a basement - £42,522