Relax... you have found a reliable extension builder in WF3. Foundation Building Services is a friendly and reliable company based in WF3 who consi...
From £2,200
Express in the Home is a trusted extension builder serving customers in WF3 and the surrounding area. Contact us to today to get a competitive quot...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WF3 it ranges from £2,024 (Foundation Building Services based in WF3) to £2,200 (Express in the Home based in LS11).
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 WF3 by posting a job with HaMuch and we will send it to extension builders in WF3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Wakefield | £31 | £240 |
| Install An RSJ near Morley | £31 | £239 |
| Install An RSJ near Ossett | £33 | £245 |
| Install An RSJ near Rothwell | £30 | £230 |
| Install An RSJ near Beeston | £31 | £236 |
| Install An RSJ near Dewsbury | £33 | £245 |
| Install An RSJ near Batley | £32 | £239 |
| Install An RSJ near Normanton | £30 | £233 |
| Install An RSJ near Leeds | £31 | £236 |
| Install An RSJ near Chapeltown | £30 | £232 |
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 - £17,412

Two storey extension - £87,868

Build a timber frame extension - £25,912

Build a swimming pool - £80,912

Single storey extension - £53,240

Side return extension - £40,510

Install an RSJ - £2,112

Outbuilding - £9,912

Build a Mansard loft conversion - £51,912

Loft conversion - £32,925

Build a kitchen extension - £41,912

Hip to gable loft conversion - £41,912

Granny annexe - £86,912

Garden office - £9,912

Convert a Garage - £15,912

Garage - £18,412

Build a flat roof extension - £21,912

Build a dormer loft conversion - £41,912

Concrete foundations - £6,162

Convert a bungalow loft - £28,912

Convert a basement - £36,510