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Trusted and professional extension builder in LS15. Experienced in all extension buildering work and keeping within budget and on quote. Fearnville...
Experienced extension builder ready to quote for your work. J W Building Services is the best extension builder in LS15. No obligation free quotes ...
Need an Extension Builder in LS15? D & D Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
Trusted and professional extension builder in LS15. Experienced in all extension buildering work and keeping within budget and on quote. NE BUILDIN...
From £2,168
Relax... you have found a reliable extension builder in LS15. Basement Structures LTD is a friendly and reliable company based in LS15 who consider...
From £1,984
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,136
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LS15 it ranges from £1,832 (Fearnville Driveways based in LS8) to £2,168 (Basement Structures LTD based in LS15).
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 LS15 by posting a job with HaMuch and we will send it to extension builders in LS15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chapeltown | £30 | £232 |
| Install An RSJ near Rothwell | £30 | £230 |
| Install An RSJ near Leeds | £31 | £236 |
| Install An RSJ near Beeston | £31 | £236 |
| Install An RSJ near Castleford | £30 | £225 |
| Install An RSJ near Normanton | £30 | £233 |
| Install An RSJ near Morley | £31 | £239 |
| Install An RSJ near Wakefield | £31 | £240 |
| Install An RSJ near Pudsey | £30 | £227 |
| Install An RSJ near Batley | £32 | £239 |
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 - £17,368

Two storey extension - £87,802

Build a timber frame extension - £25,868

Build a swimming pool - £80,868

Single storey extension - £52,360

Side return extension - £40,015

Install an RSJ - £2,068

Outbuilding - £9,868

Build a Mansard loft conversion - £51,868

Loft conversion - £32,513

Build a kitchen extension - £41,868

Hip to gable loft conversion - £41,868

Granny annexe - £86,868

Garden office - £9,868

Convert a Garage - £15,868

Garage - £18,368

Build a flat roof extension - £21,868

Build a dormer loft conversion - £41,868

Concrete foundations - £6,118

Convert a bungalow loft - £28,868

Convert a basement - £36,015