From £2,416
BLOCKBUILD DEVELOPMENTS LTD is an established and experienced local extension builder in KY4. Please contact us for a free, no obligation quote and...
From £2,568
Relax... you have found a reliable extension builder in KY4. KEVIN FRASER JOINERY is a friendly and reliable company based in KY4 who consider no j...
From £2,584
Experienced extension builder ready to quote for your work. Horizon Fife Ltd is the best extension builder in KY4. No obligation free quotes and ma...
From £336
ABLEFIFE ROOFING is a trusted extension builder serving customers in KY4 and the surrounding area. Contact us to today to get a competitive quote f...
From £2,224
Windows, Doors, Conservatories, Bathrooms, All joinery works, plumbing and heating. All trades supplied.
From £2,072
CARNEGIE BUILDING SERVICES LTD is a trusted extension builder serving customers in KY4 and the surrounding area. Contact us to today to get a compe...
From £2,296
Phoenix Building Projects is a leading building contractor based in Edinburgh with over 20 years experience in building homes, offices and commerci...
From £2,312
Relax... you have found a reliable extension builder in KY4. Bissetts Design & Build is a friendly and reliable company based in KY4 who consider n...
From £2,296
Experienced extension builder ready to quote for your work. VIP BUILDING SERVICES LTD is the best extension builder in KY4. No obligation free quot...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in KY4 it ranges from £336 (ABLEFIFE ROOFING based in KY12) to £2,584 (Horizon Fife Ltd based in KY5).
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 KY4 by posting a job with HaMuch and we will send it to extension builders in KY4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Dunfermline | £46 | £285 |
| Install An RSJ near Glenrothes | £42 | £304 |
| Install An RSJ near Kirkcaldy | £42 | £296 |
| Install An RSJ near Fife | £44 | £310 |
| Install An RSJ near Bo'ness | £33 | £241 |
| Install An RSJ near Edinburgh | £36 | £268 |
| Install An RSJ near Broxburn | £34 | £251 |
| Install An RSJ near Grangemouth | £32 | £214 |
| Install An RSJ near Livingston | £35 | £256 |
| Install An RSJ near West Lothian | £33 | £242 |
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 - £17,406

Two storey extension - £87,860

Build a timber frame extension - £25,906

Build a swimming pool - £80,906

Single storey extension - £53,128

Side return extension - £40,447

Install an RSJ - £2,106

Outbuilding - £9,906

Build a Mansard loft conversion - £51,906

Loft conversion - £32,873

Build a kitchen extension - £41,906

Hip to gable loft conversion - £41,906

Granny annexe - £86,906

Garden office - £9,906

Convert a Garage - £15,906

Garage - £18,406

Build a flat roof extension - £21,906

Build a dormer loft conversion - £41,906

Concrete foundations - £6,156

Convert a bungalow loft - £28,906

Convert a basement - £36,447