Relax... you have found a reliable extension builder in WF1. Foundation Building Services is a friendly and reliable company based in WF1 who consi...
ASHBURY CONSTRUCTION T/A is an established and experienced local extension builder in WF1. Please contact us for a free, no obligation quote and co...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,976
Graham Kirkaldy
I've been in the trade over 25 years working on commercial and domestic high end properties

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WF1 it ranges from £1,976 (GPK based in WF4) to £2,104 (KPS Building & Brickwork based in WF4).
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 WF1 by posting a job with HaMuch and we will send it to extension builders in WF1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Wakefield | £31 | £240 |
| Install An RSJ near Normanton | £30 | £233 |
| Install An RSJ near Ossett | £33 | £245 |
| Install An RSJ near Rothwell | £30 | £230 |
| Install An RSJ near Dewsbury | £33 | £245 |
| Install An RSJ near Morley | £31 | £239 |
| Install An RSJ near Batley | £32 | £239 |
| Install An RSJ near Castleford | £30 | £225 |
| Install An RSJ near Beeston | £31 | £236 |
| Install An RSJ near Pontefract | £30 | £228 |
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 - £17,324

Two storey extension - £87,736

Build a timber frame extension - £25,824

Build a swimming pool - £80,824

Single storey extension - £51,480

Side return extension - £39,520

Install an RSJ - £2,024

Outbuilding - £9,824

Build a Mansard loft conversion - £51,824

Loft conversion - £32,100

Build a kitchen extension - £41,824

Hip to gable loft conversion - £41,824

Granny annexe - £86,824

Garden office - £9,824

Convert a Garage - £15,824

Garage - £18,324

Build a flat roof extension - £21,824

Build a dormer loft conversion - £41,824

Concrete foundations - £6,074

Convert a bungalow loft - £28,824

Convert a basement - £35,520