From £2,040
Elysium Design is a trusted extension builder serving customers in DY3 and the surrounding area. Contact us to today to get a competitive quote for...
From £1,888
Trusted and professional extension builder in DY3. Experienced in all extension buildering work and keeping within budget and on quote. Midland Con...
From £2,096
Sandringham Building Services is an established and experienced local extension builder in DY3. Please contact us for a free, no obligation quote a...
From £2,096
S Porter Building is a trusted extension builder serving customers in DY3 and the surrounding area. Contact us to today to get a competitive quote ...
From £2,048
Need an Extension Builder in DY3? M.A GREEN BUILDING&ROOFING has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £1,848
Need an Extension Builder in DY3? MBW Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £1,816
Need an Extension Builder in DY3? HC CONSTRUCTION AND PROPERTY M has been helping local clients (20 mile radius) with their extension buildering jo...
From £2,136
Bahra Builders & Developers Limited are here to help customers who need an Extension Builder in DY3. We offer a competitive rate to complete all yo...
From £1,896
Need an Extension Builder in DY3? KMS Building Property Services has been helping local clients (20 mile radius) with their extension buildering jo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DY3 it ranges from £1,816 (HC CONSTRUCTION AND PROPERTY M based in DY6) to £2,136 (Bahra Builders & Developers Limited based in WV4).
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 DY3 by posting a job with HaMuch and we will send it to extension builders in DY3.
"RSJ installation" - DY3, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Sedgley | £28 | £221 |
| Install An RSJ near Coseley | £29 | £225 |
| Install An RSJ near Dudley | £28 | £225 |
| Install An RSJ near Kingswinford | £28 | £221 |
| Install An RSJ near Bilston | £29 | £226 |
| Install An RSJ near Tipton | £29 | £227 |
| Install An RSJ near Brierley Hill | £28 | £222 |
| Install An RSJ near Wolverhampton | £28 | £223 |
| Install An RSJ near Willenhall | £29 | £225 |
| 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 - £17,277

Two storey extension - £87,665

Build a timber frame extension - £25,777

Build a swimming pool - £80,777

Single storey extension - £50,536

Side return extension - £38,989

Install an RSJ - £1,977

Outbuilding - £9,777

Build a Mansard loft conversion - £51,777

Loft conversion - £31,658

Build a kitchen extension - £41,777

Hip to gable loft conversion - £41,777

Granny annexe - £86,777

Garden office - £9,777

Convert a Garage - £15,777

Garage - £18,277

Build a flat roof extension - £21,777

Build a dormer loft conversion - £41,777

Concrete foundations - £6,027

Convert a bungalow loft - £28,777

Convert a basement - £34,989