From £2,024
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...
From £1,928
STEVE BLAKELEY BUILDERS LTD are here to help customers who need an Extension Builder in WF3. We offer a competitive rate to complete all your exten...
From £1,816
Relax... you have found a reliable extension builder in WF3. Hozman Design & Joinery is a friendly and reliable company based in WF3 who consider n...
From £1,392
T & B Builders is an established extension buildering business in WF3. We come highly recommended and provide competitive quotes for your work.
...From £2,104
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,208
Bee brand designs is a trusted extension builder serving customers in WF3 and the surrounding area. Contact us to today to get a competitive quote ...
From £2,336
Experienced in Interiors, products, furniture, styling, environment, Design for manufacture, Concept Design.
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...
From £2,032
Need an Extension Builder in WF3? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension buildering jobs for...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WF3 it ranges from £1,392 (T & B Builders based in WF17) to £2,336 (Bee brand designs based in wf12).
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 - £17,318

Two storey extension - £87,726

Build a timber frame extension - £25,818

Build a swimming pool - £80,818

Single storey extension - £51,352

Side return extension - £39,448

Install an RSJ - £2,018

Outbuilding - £9,818

Build a Mansard loft conversion - £51,818

Loft conversion - £32,040

Build a kitchen extension - £41,818

Hip to gable loft conversion - £41,818

Granny annexe - £86,818

Garden office - £9,818

Convert a Garage - £15,818

Garage - £18,318

Build a flat roof extension - £21,818

Build a dormer loft conversion - £41,818

Concrete foundations - £6,068

Convert a bungalow loft - £28,818

Convert a basement - £35,448