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Select your affordable Calderdale extension builder
Benchmark Builders is a trusted extension builder serving customers in Calderdale and the surrounding area. Contact us to today to get a competitiv...
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 Calderdale. We offer a competitive rate to complete all your extension buil...
From £2,208
RG Decorators is an established and experienced local extension builder in Calderdale. Please contact us for a free, no obligation quote and compet...
From £2,056
MM Building Services is a trusted extension builder serving customers in Calderdale and the surrounding area. Contact us to today to get a competit...
From £1,768
Gary Ingham
Trusted and professional extension builder in Calderdale. Experienced in all extension buildering work and keeping within budget and on quote. GARY...
From £4,920
Relax... you have found a reliable extension builder in Calderdale. Diamond Construction (Glazing) is a friendly and reliable company based in Cald...
From £2,024
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,200
H & D CONSTRUCTION is an established and experienced local extension builder in Calderdale. Please contact us for a free, no obligation quote and c...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Calderdale 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 Calderdale by posting a job with HaMuch and we will send it to extension builders in Calderdale.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Halifax | £32 | £243 |
| Install An RSJ near Brighouse | £30 | £230 |
| Install An RSJ near Keighley | £30 | £226 |
| Install An RSJ near Bingley | £30 | £229 |
| Install An RSJ near Bradford | £29 | £225 |
| Install An RSJ near Huddersfield | £29 | £224 |
| Install An RSJ near Burnley | £29 | £219 |
| Install An RSJ near Nelson | £27 | £214 |
| Install An RSJ near Rochdale | £30 | £221 |
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 - £17,589

Two storey extension - £88,133

Build a timber frame extension - £26,089

Build a swimming pool - £81,089

Single storey extension - £56,776

Side return extension - £42,499

Install an RSJ - £2,289

Outbuilding - £10,089

Build a Mansard loft conversion - £52,089

Loft conversion - £34,583

Build a kitchen extension - £42,089

Hip to gable loft conversion - £42,089

Granny annexe - £87,089

Garden office - £10,089

Convert a Garage - £16,089

Garage - £18,589

Build a flat roof extension - £22,089

Build a dormer loft conversion - £42,089

Concrete foundations - £6,339

Convert a bungalow loft - £29,089

Convert a basement - £38,499