From £1,840
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,256
Need to find an Extension Builder near you for all your extension buildering work?
DS BUILDERS provides a local, trusted extension builderi...
From £2,264
WALLACE ROOFING & BUILDING LTD are here to help customers who need an Extension Builder in KY8. We offer a competitive rate to complete all your ex...
From £2,792
Need to find an Extension Builder near you for all your extension buildering work?
Ness Construction Fife Ltd provides a local, trusted ext...
From £2,592
D R JOINER & BUILDER are here to help customers who need an Extension Builder in KY8. We offer a competitive rate to complete all your extension bu...
From £2,560
Relax... you have found a reliable extension builder in KY8. McIntosh & Kane Ames Tapers is a friendly and reliable company based in KY8 who consid...
From £2,632
Trusted and professional extension builder in KY8. Experienced in all extension buildering work and keeping within budget and on quote. Ames Taping...
From £2,464
Looking to add more space to your home? If you're in need of some home improvement, then look no further than Alliance Construction Ltd. For each o...
From £2,632
Craftsman Paving are here to help customers who need an Extension Builder in KY8. We offer a competitive rate to complete all your extension builde...
From £2,240
We have over 30yrs experience in all aspects of joinery and building work , from fitting a door to building an extension or converting a garage /at...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in KY8 it ranges from £1,840 (JB BUILDERS based in KY8) to £2,792 (Ness Construction Fife Ltd based in KY7).
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 KY8 by posting a job with HaMuch and we will send it to extension builders in KY8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Fife | £38 | £265 |
| Install An RSJ near Kirkcaldy | £35 | £253 |
| Install An RSJ near Glenrothes | £36 | £260 |
| Install An RSJ near Musselburgh | £32 | £230 |
| Install An RSJ near Edinburgh | £32 | £236 |
| Install An RSJ near Dundee | £32 | £240 |
| Install An RSJ near Haddington | £32 | £233 |
| Install An RSJ near Dunfermline | £38 | £235 |
| Install An RSJ near Perth & Kinross | £30 | £227 |
| Install An RSJ near Dalkeith | £31 | £225 |
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 - £17,727

Two storey extension - £88,341

Build a timber frame extension - £26,227

Build a swimming pool - £81,227

Single storey extension - £59,544

Side return extension - £44,056

Install an RSJ - £2,427

Outbuilding - £10,227

Build a Mansard loft conversion - £52,227

Loft conversion - £35,880

Build a kitchen extension - £42,227

Hip to gable loft conversion - £42,227

Granny annexe - £87,227

Garden office - £10,227

Convert a Garage - £16,227

Garage - £18,727

Build a flat roof extension - £22,227

Build a dormer loft conversion - £42,227

Concrete foundations - £6,477

Convert a bungalow loft - £29,227

Convert a basement - £40,056