Need to find an Extension Builder near you for all your extension buildering work?
Michael Locke Garage Doors provides a local, trusted ext...
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For all your home renovation requirements, painting and decorating, Wallpapering and Stripping, Skirting boards & Architraves, Exterior wall painti...
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
Brickfast Builders is an established extension buildering business in B66. We come highly recommended and provide competitive quotes for your work....
Trusted and professional extension builder in B66. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal Cons...
Have Faith Plasterers is an established and experienced local extension builder in B66. Please contact us for a free, no obligation quote and compe...
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in B66. No obligation free quotes a...
Trusted and professional extension builder in B66. Experienced in all extension buildering work and keeping within budget and on quote. Amos Buildi...
Need an Extension Builder in B66? DLB Property Improvements & Maintenance has been helping local clients (20 mile radius) with their extension buil...
Need to find an Extension Builder near you for all your extension buildering work?
B S Builders provides a local, trusted extension builder...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B66 it ranges from £1,768 (Bhogal Construction based in B67) to £2,216 (Amos Building Services Ltd based in B65).
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 B66 by posting a job with HaMuch and we will send it to extension builders in B66.
"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24
"RSJ installation" - BIRMINGHAM, job posted 01/03/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Smethwick | £28 | £225 |
| Install An RSJ near Oldbury | £29 | £226 |
| Install An RSJ near West Bromwich | £28 | £225 |
| Install An RSJ near Birmingham | £28 | £226 |
| Install An RSJ near Rowley Regis | £29 | £225 |
| Install An RSJ near Sandwell | £29 | £228 |
| Install An RSJ near Halesowen | £28 | £225 |
| Install An RSJ near Tipton | £29 | £226 |
| Install An RSJ near Dudley | £28 | £225 |
| Install An RSJ near Wednesbury | £29 | £227 |
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 - £17,391

Two storey extension - £87,837

Build a timber frame extension - £25,891

Build a swimming pool - £80,891

Single storey extension - £52,824

Side return extension - £40,276

Install an RSJ - £2,091

Outbuilding - £9,891

Build a Mansard loft conversion - £51,891

Loft conversion - £32,730

Build a kitchen extension - £41,891

Hip to gable loft conversion - £41,891

Granny annexe - £86,891

Garden office - £9,891

Convert a Garage - £15,891

Garage - £18,391

Build a flat roof extension - £21,891

Build a dormer loft conversion - £41,891

Concrete foundations - £6,141

Convert a bungalow loft - £28,891

Convert a basement - £36,276