Experienced extension builder ready to quote for your work. Plowman & Wood is the best extension builder in Birmingham. No obligation free quotes a...
Oakham Brickwork is an established extension buildering business in Birmingham. We come highly recommended and provide competitive quotes for your ...
Relax... you have found a reliable extension builder in Birmingham. Tucker Construction is a friendly and reliable company based in Birmingham who ...
SM&S General Property Repairs is a trusted extension builder serving customers in Birmingham and the surrounding area. Contact us to today to get a...
Wilson & Son is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote and competi...
Need to find an Extension Builder near you for all your extension buildering work?
Michael Locke Garage Doors provides a local, trusted ext...
Trusted and professional extension builder in Birmingham. Experienced in all extension buildering work and keeping within budget and on quote. D & ...
Relax... you have found a reliable extension builder in Birmingham. Platinum Build is a friendly and reliable company based in Birmingham who consi...
Nav Younis
Birmingham, B69
For all your home renovation requirements, painting and decorating, Wallpapering and Stripping, Skirting boards & Architraves, Exterior wall painti...
Gary Wilson
Birmingham, B33
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Birmingham it ranges from £1,896 (Plowman & Wood based in B45) to £2,176 (Home Renovation Solutions based in B69).
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 Birmingham by posting a job with HaMuch and we will send it to extension builders in Birmingham.
"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 Birmingham | £28 | £226 |
| 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 Sutton Coldfield | £29 | £228 |
| Install An RSJ near Sandwell | £29 | £228 |
| Install An RSJ near Halesowen | £28 | £225 |
| Install An RSJ near Rowley Regis | £29 | £225 |
| Install An RSJ near Solihull | £29 | £231 |
| 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 - £17,326

Two storey extension - £87,740

Build a timber frame extension - £25,826

Build a swimming pool - £80,826

Single storey extension - £51,528

Side return extension - £39,547

Install an RSJ - £2,026

Outbuilding - £9,826

Build a Mansard loft conversion - £51,826

Loft conversion - £32,123

Build a kitchen extension - £41,826

Hip to gable loft conversion - £41,826

Granny annexe - £86,826

Garden office - £9,826

Convert a Garage - £15,826

Garage - £18,326

Build a flat roof extension - £21,826

Build a dormer loft conversion - £41,826

Concrete foundations - £6,076

Convert a bungalow loft - £28,826

Convert a basement - £35,547