From £2,024
J FANNAN JNRS AND BUILDERS LTD is an established extension buildering business in Cumbernauld. We come highly recommended and provide competitive q...
From £1,952
Cumbernauld, G67
TURNAROUND JOINERS & BUILDERS LTD is an established extension buildering business in Cumbernauld. We come highly recommended and provide competitiv...
From £2,056
Trusted and professional extension builder in Cumbernauld. Experienced in all extension buildering work and keeping within budget and on quote. Tom...
From £2,344
Need an Extension Builder in Cumbernauld? D & G has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £2,048
Need an Extension Builder in Cumbernauld? Collum & Scott Roughcasting has been helping local clients (20 mile radius) with their extension builderi...
From £2,008
Experienced extension builder ready to quote for your work. Paul Wilson Builders is the best extension builder in Cumbernauld. No obligation free q...
From £2,320
Relax... you have found a reliable extension builder in Cumbernauld. Roughcasting is a friendly and reliable company based in Cumbernauld who consi...
From £2,152
JLC BUILDERS are here to help customers who need an Extension Builder in Cumbernauld. We offer a competitive rate to complete all your extension bu...
From £2,112
Ground Marking Company LTD is the best choice for all your line marking needs. We have over 30 years of experience in the industry and are known as...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cumbernauld it ranges from £1,240 (CALEDONIA ROOFING LTD based in FK6) to £2,344 (D & G based in FK4).
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 Cumbernauld by posting a job with HaMuch and we will send it to extension builders in Cumbernauld.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cumbernauld | £31 | £234 |
| Install An RSJ near Airdrie | £31 | £238 |
| Install An RSJ near North Lanarkshire | £31 | £238 |
| Install An RSJ near Coatbridge | £32 | £245 |
| Install An RSJ near Kirkintilloch | £35 | £259 |
| Install An RSJ near East Dunbartonshire | £35 | £262 |
| Install An RSJ near Falkirk | £31 | £208 |
| Install An RSJ near Viewpark | £31 | £233 |
| Install An RSJ near Bellshill | £32 | £235 |
| Install An RSJ near Bishopbriggs | £35 | £262 |
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 - £17,326

Two storey extension - £87,738

Build a timber frame extension - £25,826

Build a swimming pool - £80,826

Single storey extension - £51,512

Side return extension - £39,538

Install an RSJ - £2,026

Outbuilding - £9,826

Build a Mansard loft conversion - £51,826

Loft conversion - £32,115

Build a kitchen extension - £41,826

Hip to gable loft conversion - £41,826

Granny annexe - £86,826

Garden office - £9,826

Convert a Garage - £15,826

Garage - £18,326

Build a flat roof extension - £21,826

Build a dormer loft conversion - £41,826

Concrete foundations - £6,076

Convert a bungalow loft - £28,826

Convert a basement - £35,538