From £1,872
J.M.C Building Services is a trusted extension builder serving customers in Kirkdale and the surrounding area. Contact us to today to get a competi...
From £1,992
J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in Kirkdale. We offer a competitive rate to complete al...
From £2,168
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,104
Need an Extension Builder in Kirkdale? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £1,952
Need an Extension Builder in Kirkdale? ARGYLE BUILDING AND MAINTENANCE has been helping local clients (20 mile radius) with their extension builder...
From £2,072
Relax... you have found a reliable extension builder in Kirkdale. Britannia Builders is a friendly and reliable company based in Kirkdale who consi...
From £1,960
CJ Construction are here to help customers who need an Extension Builder in Kirkdale. We offer a competitive rate to complete all your extension bu...
From £2,216
Art Henry's are here to help customers who need an Extension Builder in Kirkdale. We offer a competitive rate to complete all your extension builde...
From £1,968
Relax... you have found a reliable extension builder in Kirkdale. KM Building Services is a friendly and reliable company based in Kirkdale who con...
From £2,136
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Kirkdale. No obligation free q...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Kirkdale it ranges from £1,872 (J.M.C Building Services based in L4) to £2,216 (Art Henry's based in L8).
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 Kirkdale by posting a job with HaMuch and we will send it to extension builders in Kirkdale.
"RSJ installation" - LIVERPOOL, job posted 04/09/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Liverpool | £31 | £222 |
| Install An RSJ near Bootle | £32 | £223 |
| Install An RSJ near Wallasey | £32 | £224 |
| Install An RSJ near Birkenhead | £31 | £219 |
| Install An RSJ near Crosby | £33 | £222 |
| Install An RSJ near Kirkby | £31 | £223 |
| Install An RSJ near Wirral | £31 | £219 |
| Install An RSJ near Bebington | £31 | £222 |
| Install An RSJ near Sefton | £33 | £219 |
| Install An RSJ near Knowsley | £31 | £222 |
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 - £17,344

Two storey extension - £87,766

Build a timber frame extension - £25,844

Build a swimming pool - £80,844

Single storey extension - £51,880

Side return extension - £39,745

Install an RSJ - £2,044

Outbuilding - £9,844

Build a Mansard loft conversion - £51,844

Loft conversion - £32,288

Build a kitchen extension - £41,844

Hip to gable loft conversion - £41,844

Granny annexe - £86,844

Garden office - £9,844

Convert a Garage - £15,844

Garage - £18,344

Build a flat roof extension - £21,844

Build a dormer loft conversion - £41,844

Concrete foundations - £6,094

Convert a bungalow loft - £28,844

Convert a basement - £35,745