From £2,216
GLEN CONSTRUCTION (PERTH) LTD is an established and experienced local extension builder in PH1. Please contact us for a free, no obligation quote a...
From £2,384
Trusted and professional extension builder in PH1. Experienced in all extension buildering work and keeping within budget and on quote. KXM Develop...
From £2,312
Caliber Joiners & Contractors is a trusted extension builder serving customers in PH1 and the surrounding area. Contact us to today to get a compe...
From £2,128
Experienced extension builder ready to quote for your work. Andrew Allan Builder is the best extension builder in PH1. No obligation free quotes an...
From £2,600
Trusted and professional extension builder in PH1. Experienced in all extension buildering work and keeping within budget and on quote. Bell & Whyt...
From £2,600
M&S Character Homes Ltd is an established extension buildering business in PH1. We come highly recommended and provide competitive quotes for your ...
From £2,264
Need to find an Extension Builder near you for all your extension buildering work?
JAMES MOFFAT CONSTRUCTION LTD provides a local, trusted ...
From £2,248
Trusted and professional extension builder in PH1. Experienced in all extension buildering work and keeping within budget and on quote. DEREK SAUND...
From £2,400
We're a small home renovation and design company based in both Edinburgh and Fife.We specialise in anything from full home renovations, single room...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PH1 it ranges from £1,912 (MOLLISON CONSTRUCTION based in PH11) to £2,600 (Bell & Whyte based in KY14).
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 PH1 by posting a job with HaMuch and we will send it to extension builders in PH1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Perth & Kinross | £30 | £227 |
| Install An RSJ near Glenrothes | £36 | £260 |
| Install An RSJ near Fife | £38 | £265 |
| Install An RSJ near Dundee | £32 | £240 |
| Install An RSJ near Dunfermline | £38 | £235 |
| Install An RSJ near Kirkcaldy | £35 | £253 |
| Install An RSJ near Alloa | £29 | £204 |
| Install An RSJ near Forfar | £26 | £213 |
| Install An RSJ near Bo'ness | £29 | £209 |
| Install An RSJ near Angus | £26 | £213 |
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 - £17,606

Two storey extension - £88,160

Build a timber frame extension - £26,106

Build a swimming pool - £81,106

Single storey extension - £57,128

Side return extension - £42,697

Install an RSJ - £2,306

Outbuilding - £10,106

Build a Mansard loft conversion - £52,106

Loft conversion - £34,748

Build a kitchen extension - £42,106

Hip to gable loft conversion - £42,106

Granny annexe - £87,106

Garden office - £10,106

Convert a Garage - £16,106

Garage - £18,606

Build a flat roof extension - £22,106

Build a dormer loft conversion - £42,106

Concrete foundations - £6,356

Convert a bungalow loft - £29,106

Convert a basement - £38,697