From £2,080
Relax... you have found a reliable extension builder in Wythall. Tucker Construction is a friendly and reliable company based in Wythall who consid...
From £2,160
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...
From £2,240
Experienced extension builder ready to quote for your work. Redbrickz Property Management Ltd is the best extension builder in Wythall. No obligati...
From £2,144
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,792
Need to find an Extension Builder near you for all your extension buildering work?
JT Home Improvement provides a local, trusted extension ...
From £1,928
Relax... you have found a reliable extension builder in Wythall. F.I.I Building Services Ltd is a friendly and reliable company based in Wythall wh...
From £2,144
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
From £2,144
Wilson & Son is an established and experienced local extension builder in Wythall. Please contact us for a free, no obligation quote and competitiv...
From £2,184
Trusted and professional extension builder in Wythall. Experienced in all extension buildering work and keeping within budget and on quote. 2nd Gen...
From £2,168
We are a forward thinking, award winning design and build company based in Solihull in the West Midlands. We strive to deliver the best experience ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Wythall it ranges from £1,792 (JT Home Improvement based in B14) to £2,240 (Redbrickz Property Management Ltd based in B90).
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 | £29 | £227 |
| Install An RSJ near Halesowen | £29 | £227 |
| Install An RSJ near Oldbury | £29 | £227 |
| Install An RSJ near Smethwick | £29 | £226 |
| Install An RSJ near Bromsgrove | £31 | £237 |
| Install An RSJ near Rowley Regis | £29 | £226 |
| Install An RSJ near Redditch | £32 | £234 |
| Install An RSJ near West Bromwich | £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 - £17,398

Two storey extension - £87,848

Build a timber frame extension - £25,898

Build a swimming pool - £80,898

Single storey extension - £52,968

Side return extension - £40,357

Install an RSJ - £2,098

Outbuilding - £9,898

Build a Mansard loft conversion - £51,898

Loft conversion - £32,798

Build a kitchen extension - £41,898

Hip to gable loft conversion - £41,898

Granny annexe - £86,898

Garden office - £9,898

Convert a Garage - £15,898

Garage - £18,398

Build a flat roof extension - £21,898

Build a dormer loft conversion - £41,898

Concrete foundations - £6,148

Convert a bungalow loft - £28,898

Convert a basement - £36,357