From £1,896
To whom it may concern where I small family business been in business for 36 years we carry out very good workmanship all our staff are prese...
From £1,968
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,328
Relax... you have found a reliable extension builder in Four Oaks. Sanwood is a friendly and reliable company based in Four Oaks who consider no jo...
From £1,952
Experienced extension builder ready to quote for your work. Sas Building Solutions is the best extension builder in Four Oaks. No obligation free q...
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...
From £1,768
Dave Mattock is an established and experienced local extension builder in Four Oaks. Please contact us for a free, no obligation quote and competit...
From £2,144
Need an Extension Builder in Four Oaks? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £1,952
Experienced extension builder ready to quote for your work. SELF BUILD is the best extension builder in Four Oaks. No obligation free quotes and ma...
From £1,496
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Four Oaks it ranges from £1,496 (Saxonworld Ltd based in WS9) to £2,328 (Sanwood based in B73).
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 Four Oaks by posting a job with HaMuch and we will send it to extension builders in Four Oaks.
"Install an RSJ. For bow window replacement" - WS5, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Sutton Coldfield | £29 | £228 |
| Install An RSJ near Walsall | £29 | £226 |
| Install An RSJ near Brownhills | £28 | £225 |
| Install An RSJ near Bloxwich | £28 | £225 |
| Install An RSJ near Birmingham | £29 | £227 |
| Install An RSJ near Wednesbury | £29 | £227 |
| Install An RSJ near Burntwood | £29 | £229 |
| Install An RSJ near Sandwell | £29 | £229 |
| Install An RSJ near West Bromwich | £29 | £227 |
| Install An RSJ near Darlaston | £29 | £226 |
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 - £17,278

Two storey extension - £87,668

Build a timber frame extension - £25,778

Build a swimming pool - £80,778

Single storey extension - £50,568

Side return extension - £39,007

Install an RSJ - £1,978

Outbuilding - £9,778

Build a Mansard loft conversion - £51,778

Loft conversion - £31,673

Build a kitchen extension - £41,778

Hip to gable loft conversion - £41,778

Granny annexe - £86,778

Garden office - £9,778

Convert a Garage - £15,778

Garage - £18,278

Build a flat roof extension - £21,778

Build a dormer loft conversion - £41,778

Concrete foundations - £6,028

Convert a bungalow loft - £28,778

Convert a basement - £35,007