Andy Gibson
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
Antonio Cano
H & C JOINERS & BUILDERS LTD is an established and experienced local extension builder in Ayr. Please contact us for a free, no obligation quote an...
From £2,360
Need to find an Extension Builder near you for all your extension buildering work?
Shire Design & Build Ltd. provides a local, trusted exte...
From £2,104
Ayr, KA7
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Ayr it ranges from £1,944 (ABG Resin Bond & Landscaping Ltd based in KA6) to £2,360 (Shire Design & Build Ltd. based in KA6).
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 Ayr by posting a job with HaMuch and we will send it to extension builders in Ayr.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ayr | £25 | £190 |
| Install An RSJ near South Ayrshire | £25 | £190 |
| Install An RSJ near Prestwick | £24 | £180 |
| Install An RSJ near Troon | £32 | £241 |
| Install An RSJ near Kilmarnock | £36 | £271 |
| Install An RSJ near Irvine | £35 | £253 |
| Install An RSJ near North Ayrshire | £33 | £250 |
| Install An RSJ near Kilwinning | £33 | £250 |
| Install An RSJ near Barrhead | £35 | £255 |
| Install An RSJ near Newton Mearns | £35 | £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 - £17,436

Two storey extension - £87,904

Build a timber frame extension - £25,936

Build a swimming pool - £80,936

Single storey extension - £53,720

Side return extension - £40,780

Install an RSJ - £2,136

Outbuilding - £9,936

Build a Mansard loft conversion - £51,936

Loft conversion - £33,150

Build a kitchen extension - £41,936

Hip to gable loft conversion - £41,936

Granny annexe - £86,936

Garden office - £9,936

Convert a Garage - £15,936

Garage - £18,436

Build a flat roof extension - £21,936

Build a dormer loft conversion - £41,936

Concrete foundations - £6,186

Convert a bungalow loft - £28,936

Convert a basement - £36,780