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Select your affordable WS11 extension builder
Infinity Property Improvements Limited are here to help customers who need an Extension Builder in WS11. We offer a competitive rate to complete al...
Empire Builders is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitiv...
From £1,952
Carl Mills
Need an Extension Builder in WS11? C A MILLS BUILDING CONTR LTD has been helping local clients (20 mile radius) with their extension buildering job...
From £2,296
RJB BUILDERS is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitive r...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WS11 it ranges from £1,952 (C A MILLS BUILDING CONTR LTD based in WV11) to £2,296 (RJB BUILDERS based in WS124).
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 WS11 by posting a job with HaMuch and we will send it to extension builders in WS11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cannock | £28 | £227 |
| Install An RSJ near Burntwood | £29 | £229 |
| Install An RSJ near Brownhills | £28 | £225 |
| Install An RSJ near Bloxwich | £28 | £225 |
| Install An RSJ near Rugeley | £30 | £230 |
| Install An RSJ near Walsall | £29 | £229 |
| Install An RSJ near Willenhall | £29 | £228 |
| Install An RSJ near Darlaston | £29 | £229 |
| Install An RSJ near Lichfield | £29 | £227 |
| Install An RSJ near Wolverhampton | £28 | £222 |
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 - £17,426

Two storey extension - £87,889

Build a timber frame extension - £25,926

Build a swimming pool - £80,926

Single storey extension - £53,520

Side return extension - £40,668

Install an RSJ - £2,126

Outbuilding - £9,926

Build a Mansard loft conversion - £51,926

Loft conversion - £33,056

Build a kitchen extension - £41,926

Hip to gable loft conversion - £41,926

Granny annexe - £86,926

Garden office - £9,926

Convert a Garage - £15,926

Garage - £18,426

Build a flat roof extension - £21,926

Build a dormer loft conversion - £41,926

Concrete foundations - £6,176

Convert a bungalow loft - £28,926

Convert a basement - £36,668