From £1,832
AAA BUILDERS are here to help customers who need an Extension Builder in Barnoldswick. We offer a competitive rate to complete all your extension b...
From £2,240
Need to find an Extension Builder near you for all your extension buildering work?
RB Building Services provides a local, trusted extension...
From £1,856
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
From £1,856
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in Barnoldswick and the surrounding area. Contact us to...
From £1,944
H.B.S is an established extension buildering business in Barnoldswick. We come highly recommended and provide competitive quotes for your work.
...From £2,056
Need an Extension Builder in Barnoldswick? Smart building solutions Blackburn ltd has been helping local clients (20 mile radius) with their extens...
From £2,256
Trusted and professional extension builder in Barnoldswick. Experienced in all extension buildering work and keeping within budget and on quote. Ex...
From £2,096
Need an Extension Builder in Barnoldswick? LRS Maintenance & Property Renovators has been helping local clients (20 mile radius) with their extensi...
From £2,112
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,848
Need to find an Extension Builder near you for all your extension buildering work?
Robbie Robinson provides a local, trusted extension buil...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Barnoldswick it ranges from £1,832 (AAA BUILDERS based in BD5) to £2,256 (Extend Rite Ltd based in BD2).
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 Barnoldswick by posting a job with HaMuch and we will send it to extension builders in Barnoldswick.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Nelson | £27 | £214 |
| Install An RSJ near Burnley | £29 | £219 |
| Install An RSJ near Keighley | £30 | £226 |
| Install An RSJ near Accrington | £33 | £243 |
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Bingley | £30 | £228 |
| Install An RSJ near Rawtenstall | £29 | £213 |
| Install An RSJ near Shipley | £29 | £226 |
| Install An RSJ near Blackburn | £33 | £246 |
| Install An RSJ near Halifax | £32 | £243 |
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 - £17,310

Two storey extension - £87,714

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,192

Side return extension - £39,358

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,965

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,358