From £2,488
We are a family business started in the late 60s by my farther who is still part of the company.
Our master carpenter has worked for us ...
From £2,272
D SMITH BUILDING LIMITED is a trusted extension builder serving customers in St Georges and the surrounding area. Contact us to today to get a comp...
From £1,856
Trusted and professional extension builder in St Georges. Experienced in all extension buildering work and keeping within budget and on quote. Telf...
From £2,192
Trusted and professional extension builder in St Georges. Experienced in all extension buildering work and keeping within budget and on quote. Drea...
From £1,992
Relax... you have found a reliable extension builder in St Georges. BUILD ADEPT LTD is a friendly and reliable company based in St Georges who cons...
From £2,136
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,832
RYE BUILDING CONTRACTORS LIMIT is a trusted extension builder serving customers in St Georges and the surrounding area. Contact us to today to get ...
From £1,840
DAVID WAKEFIELD BUILDING SVS is a trusted extension builder serving customers in St Georges and the surrounding area. Contact us to today to get a ...
From £2,544
Experienced extension builder ready to quote for your work. MIDLANDS RESTORATION LTD is the best extension builder in St Georges. No obligation fre...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in St Georges it ranges from £1,832 (RYE BUILDING CONTRACTORS LIMIT based in TF8) to £2,544 (MIDLANDS RESTORATION LTD based in WV6).
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 St Georges by posting a job with HaMuch and we will send it to extension builders in St Georges.
"RSJ installation 400kg steel." - TELFORD, job posted 01/01/70
"RSJ installation" - THE WREKIN, job posted 06/08/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Telford | £30 | £241 |
| Install An RSJ near The Wrekin | £30 | £236 |
| Install An RSJ near Shrewsbury | £32 | £249 |
| Install An RSJ near Wolverhampton | £28 | £223 |
| Install An RSJ near Stafford | £29 | £224 |
| Install An RSJ near Sedgley | £28 | £221 |
| Install An RSJ near Cannock | £28 | £227 |
| Install An RSJ near Willenhall | £29 | £225 |
| Install An RSJ near Bilston | £29 | £226 |
| Install An RSJ near Kingswinford | £28 | £221 |
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 - £17,434

Two storey extension - £87,900

Build a timber frame extension - £25,934

Build a swimming pool - £80,934

Single storey extension - £53,672

Side return extension - £40,753

Install an RSJ - £2,134

Outbuilding - £9,934

Build a Mansard loft conversion - £51,934

Loft conversion - £33,128

Build a kitchen extension - £41,934

Hip to gable loft conversion - £41,934

Granny annexe - £86,934

Garden office - £9,934

Convert a Garage - £15,934

Garage - £18,434

Build a flat roof extension - £21,934

Build a dormer loft conversion - £41,934

Concrete foundations - £6,184

Convert a bungalow loft - £28,934

Convert a basement - £36,753