From £2,064
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
From £1,904
AJ Home Improvements is an established extension buildering business in B24. We come highly recommended and provide competitive quotes for your wor...
From £1,856
Guild Building Solutions Ltd is a well established, reliable and trustworthy company with over 25 years' experience. We are based in Sutton Coldfie...
From £1,912
Add Surveyors is a trusted extension builder serving customers in B24 and the surrounding area. Contact us to today to get a competitive quote for ...
From £2,184
Brickfast Builders is an established extension buildering business in B24. We come highly recommended and provide competitive quotes for your work....
From £1,888
Trusted and professional extension builder in B24. Experienced in all extension buildering work and keeping within budget and on quote. Castlehall ...
From £1,968
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
From £1,784
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,072
Need to find an Extension Builder near you for all your extension buildering work?
itsoktu Ltd provides a local, trusted extension builderi...
From £2,208
Founded in 2009 by educated interior and fashion tailor, Stuart Iain Greive, Itsoktu Ltd is a well-established and all-rounded design Company built...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B24 it ranges from £1,784 (Parkfield Building Services Ltd based in B6) to £2,208 (Itsoktu Limited based in B72).
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 B24 by posting a job with HaMuch and we will send it to extension builders in B24.
"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
"RSJ installation" - BIRMINGHAM
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Sutton Coldfield | £25 | £202 |
| Install An RSJ near Birmingham | £25 | £197 |
| Install An RSJ near Smethwick | £25 | £195 |
| Install An RSJ near West Bromwich | £25 | £195 |
| Install An RSJ near Solihull | £24 | £194 |
| Install An RSJ near Oldbury | £25 | £196 |
| Install An RSJ near Sandwell | £25 | £196 |
| Install An RSJ near Walsall | £25 | £195 |
| Install An RSJ near Wednesbury | £25 | £194 |
| Install An RSJ near Rowley Regis | £25 | £196 |
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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070