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Adelphi Design & Construction Ltd is an established and experienced local extension builder in Paisley. Please contact us for a free, no obligation...
Need an Extension Builder in Paisley? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs ...
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Paisley and the surrounding area. Contact us to today to get a c...
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Paisley. No obligation free quo...
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Paisley and the surrounding area. Contact us to today to get a compe...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
LAKE BUILDERS LTD is an established extension buildering business in Paisley. We come highly recommended and provide competitive quotes for your wo...
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 £2,224
Whyte homes are here to help customers who need an Extension Builder in Paisley. We offer a competitive rate to complete all your extension builder...
From £2,392
If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Paisley it ranges from £1,576 (Glencroft Builders Ltd based in G81) to £2,496 (Gman-Joinery & Builders based in G13).
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 Paisley by posting a job with HaMuch and we will send it to extension builders in Paisley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Paisley | £34 | £259 |
| Install An RSJ near Renfrew | £35 | £264 |
| Install An RSJ near Barrhead | £35 | £255 |
| Install An RSJ near Johnstone | £35 | £276 |
| Install An RSJ near Erskine | £34 | £258 |
| Install An RSJ near Renfrewshire | £35 | £278 |
| Install An RSJ near Clydebank | £35 | £265 |
| Install An RSJ near Giffnock | £35 | £260 |
| Install An RSJ near Newton Mearns | £35 | £263 |
| Install An RSJ near Bearsden | £34 | £263 |
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 - £17,550

Two storey extension - £88,074

Build a timber frame extension - £26,050

Build a swimming pool - £81,050

Single storey extension - £55,992

Side return extension - £42,058

Install an RSJ - £2,250

Outbuilding - £10,050

Build a Mansard loft conversion - £52,050

Loft conversion - £34,215

Build a kitchen extension - £42,050

Hip to gable loft conversion - £42,050

Granny annexe - £87,050

Garden office - £10,050

Convert a Garage - £16,050

Garage - £18,550

Build a flat roof extension - £22,050

Build a dormer loft conversion - £42,050

Concrete foundations - £6,300

Convert a bungalow loft - £29,050

Convert a basement - £38,058