Benchmark Builders is a trusted extension builder serving customers in HX3 and the surrounding area. Contact us to today to get a competitive quote...
Need to find an Extension Builder near you for all your extension buildering work?
Robbie Robinson provides a local, trusted extension buil...
Need to find an Extension Builder near you for all your extension buildering work?
MEP Building Services provides a local, trusted extensio...
T Dickinson are here to help customers who need an Extension Builder in HX3. We offer a competitive rate to complete all your extension buildering ...
From £2,208
RG Decorators is an established and experienced local extension builder in HX3. Please contact us for a free, no obligation quote and competitive r...
From £1,768
Gary Ingham
Trusted and professional extension builder in HX3. Experienced in all extension buildering work and keeping within budget and on quote. GARY INGHAM...
From £4,920
Relax... you have found a reliable extension builder in HX3. Diamond Construction (Glazing) is a friendly and reliable company based in HX3 who con...
From £2,064
Haven Building and Maintenance Ltd is a trusted extension builder serving customers in HX3 and the surrounding area. Contact us to today to get a c...
From £2,200
H & D CONSTRUCTION is an established and experienced local extension builder in HX3. Please contact us for a free, no obligation quote and competit...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HX3 it ranges from £1,768 (GARY INGHAM JOINERY & BLDG LTD based in HX6) to £4,920 (Diamond Construction (Glazing) based in HX6).
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 HX3 by posting a job with HaMuch and we will send it to extension builders in HX3.
"RSJ installation" - BD6, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Halifax | £32 | £243 |
| Install An RSJ near Brighouse | £30 | £230 |
| Install An RSJ near Bradford | £29 | £224 |
| Install An RSJ near Huddersfield | £29 | £224 |
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Mirfield | £31 | £236 |
| Install An RSJ near Batley | £32 | £239 |
| Install An RSJ near Bingley | £30 | £228 |
| Install An RSJ near Pudsey | £30 | £226 |
| Install An RSJ near Shipley | £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 - £17,619

Two storey extension - £88,179

Build a timber frame extension - £26,119

Build a swimming pool - £81,119

Single storey extension - £57,382

Side return extension - £42,840

Install an RSJ - £2,319

Outbuilding - £10,119

Build a Mansard loft conversion - £52,119

Loft conversion - £34,867

Build a kitchen extension - £42,119

Hip to gable loft conversion - £42,119

Granny annexe - £87,119

Garden office - £10,119

Convert a Garage - £16,119

Garage - £18,619

Build a flat roof extension - £22,119

Build a dormer loft conversion - £42,119

Concrete foundations - £6,369

Convert a bungalow loft - £29,119

Convert a basement - £38,840