Relax... you have found a reliable extension builder in B47. Tucker Construction is a friendly and reliable company based in B47 who consider no jo...
SM&S General Property Repairs is a trusted extension builder serving customers in B47 and the surrounding area. Contact us to today to get a compet...
Wilson & Son is an established and experienced local extension builder in B47. Please contact us for a free, no obligation quote and competitive ra...
Andrew Bouton
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
Avonvale Garage Doors provides a local, trusted extensio...
Relax... you have found a reliable extension builder in B47. F.I.I Building Services Ltd is a friendly and reliable company based in B47 who consid...
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 ...
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 £2,184
Trusted and professional extension builder in B47. Experienced in all extension buildering work and keeping within budget and on quote. 2nd Generat...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B47 it ranges from £1,792 (JT Home Improvement based in B14) to £2,184 (2nd Generation Building Services based in B13).
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 B47 by posting a job with HaMuch and we will send it to extension builders in B47.
"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 - £17,383

Two storey extension - £87,824

Build a timber frame extension - £25,883

Build a swimming pool - £80,883

Single storey extension - £52,653

Side return extension - £40,180

Install an RSJ - £2,083

Outbuilding - £9,883

Build a Mansard loft conversion - £51,883

Loft conversion - £32,650

Build a kitchen extension - £41,883

Hip to gable loft conversion - £41,883

Granny annexe - £86,883

Garden office - £9,883

Convert a Garage - £15,883

Garage - £18,383

Build a flat roof extension - £21,883

Build a dormer loft conversion - £41,883

Concrete foundations - £6,133

Convert a bungalow loft - £28,883

Convert a basement - £36,180