Khondda Olham
We agree on the work, price and appointment before starting. Our approach focuses on clear communication, punctuality, careful workmanship and leav...
Need to find an Extension Builder near you for all your extension buildering work?
D Broomhall provides a local, trusted extension builderi...
Experienced extension builder ready to quote for your work. Plowman & Wood is the best extension builder in Wythall. No obligation free quotes and ...
Relax... you have found a reliable extension builder in Wythall. Tucker Construction is a friendly and reliable company based in Wythall who consid...
SM&S General Property Repairs is a trusted extension builder serving customers in Wythall and the surrounding area. Contact us to today to get a co...
Wilson & Son is an established and experienced local extension builder in Wythall. Please contact us for a free, no obligation quote and competitiv...
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 Wythall. Experienced in all extension buildering work and keeping within budget and on quote. D & S D...
Relax... you have found a reliable extension builder in Wythall. Platinum Build is a friendly and reliable company based in Wythall who consider no...
Gary Wilson
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 Wythall it ranges from £1,800 (D Broomhall based in B45) to £2,248 (Darthy serices and cleaning based in B5).
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 Wythall by posting a job with HaMuch and we will send it to extension builders in Wythall.
"Total cost of structural engineer report, supply and install 6M RSJ for a load bearing wall to make kitchen/diner." - B90, job posted 01/11/25
"RSJ installation" - B90, job posted 03/08/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Solihull | £29 | £231 |
| Install An RSJ near Knowle | £31 | £241 |
| Install An RSJ near Birmingham | £28 | £226 |
| Install An RSJ near Halesowen | £28 | £225 |
| Install An RSJ near Oldbury | £29 | £226 |
| Install An RSJ near Smethwick | £29 | £225 |
| Install An RSJ near Bromsgrove | £31 | £237 |
| Install An RSJ near Rowley Regis | £29 | £225 |
| Install An RSJ near Redditch | £32 | £234 |
| Install An RSJ near West Bromwich | £28 | £225 |
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 - £17,322

Two storey extension - £87,734

Build a timber frame extension - £25,822

Build a swimming pool - £80,822

Single storey extension - £51,448

Side return extension - £39,502

Install an RSJ - £2,022

Outbuilding - £9,822

Build a Mansard loft conversion - £51,822

Loft conversion - £32,085

Build a kitchen extension - £41,822

Hip to gable loft conversion - £41,822

Granny annexe - £86,822

Garden office - £9,822

Convert a Garage - £15,822

Garage - £18,322

Build a flat roof extension - £21,822

Build a dormer loft conversion - £41,822

Concrete foundations - £6,072

Convert a bungalow loft - £28,822

Convert a basement - £35,502