Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Kilmacolm. No obligation free q...
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Kilmacolm and the surrounding area. Contact us to today to get a ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,800
Craig Ross
Trusted and professional extension builder in Kilmacolm. Experienced in all extension buildering work and keeping within budget and on quote. CR Jo...
From £2,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,312
Need to find an Extension Builder near you for all your extension buildering work?
Price It Cost Consultants Ltd provides a local, trusted ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Kilmacolm it ranges from £1,576 (Glencroft Builders Ltd based in G81) to £2,488 (GH BUILDING SERVICES LTD based in PA14).
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 Kilmacolm by posting a job with HaMuch and we will send it to extension builders in Kilmacolm.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Greenock | £30 | £243 |
| Install An RSJ near Port Glasgow | £32 | £250 |
| Install An RSJ near Dumbarton | £29 | £232 |
| Install An RSJ near Renfrewshire | £54 | £398 |
| Install An RSJ near Johnstone | £52 | £381 |
| Install An RSJ near Erskine | £34 | £258 |
| Install An RSJ near Clydebank | £35 | £265 |
| Install An RSJ near Paisley | £34 | £259 |
| Install An RSJ near Renfrew | £35 | £264 |
| Install An RSJ near Barrhead | £35 | £255 |
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 - £17,457

Two storey extension - £87,935

Build a timber frame extension - £25,957

Build a swimming pool - £80,957

Single storey extension - £54,131

Side return extension - £41,011

Install an RSJ - £2,157

Outbuilding - £9,957

Build a Mansard loft conversion - £51,957

Loft conversion - £33,343

Build a kitchen extension - £41,957

Hip to gable loft conversion - £41,957

Granny annexe - £86,957

Garden office - £9,957

Convert a Garage - £15,957

Garage - £18,457

Build a flat roof extension - £21,957

Build a dormer loft conversion - £41,957

Concrete foundations - £6,207

Convert a bungalow loft - £28,957

Convert a basement - £37,011