From £2,336
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,192
Relax... you have found a reliable extension builder in PA12. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in PA12 w...
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 £2,440
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a compe...
From £2,384
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,488
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,488
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,512
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,576
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in PA12. No obligation free quotes...
From £2,472
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a competit...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PA12 it ranges from £1,576 (Glencroft Builders Ltd based in G81) to £2,512 (Unibuild Property Services based in KA20).
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 PA12 by posting a job with HaMuch and we will send it to extension builders in PA12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Renfrewshire | £54 | £398 |
| Install An RSJ near Johnstone | £52 | £381 |
| Install An RSJ near Barrhead | £35 | £257 |
| Install An RSJ near Paisley | £34 | £259 |
| Install An RSJ near Greenock | £30 | £243 |
| Install An RSJ near Port Glasgow | £32 | £250 |
| Install An RSJ near Erskine | £34 | £258 |
| Install An RSJ near Kilwinning | £33 | £249 |
| Install An RSJ near Renfrew | £35 | £264 |
| Install An RSJ near Dumbarton | £29 | £232 |
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 - £17,617

Two storey extension - £88,175

Build a timber frame extension - £26,117

Build a swimming pool - £81,117

Single storey extension - £57,336

Side return extension - £42,814

Install an RSJ - £2,317

Outbuilding - £10,117

Build a Mansard loft conversion - £52,117

Loft conversion - £34,845

Build a kitchen extension - £42,117

Hip to gable loft conversion - £42,117

Granny annexe - £87,117

Garden office - £10,117

Convert a Garage - £16,117

Garage - £18,617

Build a flat roof extension - £22,117

Build a dormer loft conversion - £42,117

Concrete foundations - £6,367

Convert a bungalow loft - £29,117

Convert a basement - £38,814