Need an Extension Builder in Croxteth Park? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for ...
Robuild - Waterwise is an established extension buildering business in Croxteth Park. We come highly recommended and provide competitive quotes for...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Croxteth Park? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
Sean Mooney
SJBuild Ltd is an established and experienced local extension builder in Croxteth Park. Please contact us for a free, no obligation quote and compe...
Need to find an Extension Builder near you for all your extension buildering work?
S.L.P Property Maintenance provides a local, trusted ext...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Mark Robinson
Trusted and professional extension builder in Croxteth Park. Experienced in all extension buildering work and keeping within budget and on quote. M...
G. Finnigan Builders is an established extension buildering business in Croxteth Park. We come highly recommended and provide competitive quotes fo...
BTC Bernstef Ltd is an established extension buildering business in Croxteth Park. We come highly recommended and provide competitive quotes for yo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Croxteth Park it ranges from £1,592 (SJBuild Ltd based in CH63) to £2,152 (R J Property Maintenance & Repair based in CH63).
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 Croxteth Park by posting a job with HaMuch and we will send it to extension builders in Croxteth Park.
"Install an RSJ" - L36, job posted 01/01/70
"RSJ installation" - LIVERPOOL, job posted 04/09/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Knowsley | £31 | £222 |
| Install An RSJ near Kirkby | £31 | £224 |
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near Prescot | £31 | £223 |
| Install An RSJ near Bootle | £33 | £228 |
| Install An RSJ near Liverpool | £31 | £222 |
| Install An RSJ near Maghull | £34 | £231 |
| Install An RSJ near Wallasey | £32 | £224 |
| Install An RSJ near Birkenhead | £31 | £219 |
| Install An RSJ near Crosby | £35 | £234 |
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 - £17,209

Two storey extension - £87,563

Build a timber frame extension - £25,709

Build a swimming pool - £80,709

Single storey extension - £49,176

Side return extension - £38,224

Install an RSJ - £1,909

Outbuilding - £9,709

Build a Mansard loft conversion - £51,709

Loft conversion - £31,020

Build a kitchen extension - £41,709

Hip to gable loft conversion - £41,709

Granny annexe - £86,709

Garden office - £9,709

Convert a Garage - £15,709

Garage - £18,209

Build a flat roof extension - £21,709

Build a dormer loft conversion - £41,709

Concrete foundations - £5,959

Convert a bungalow loft - £28,709

Convert a basement - £34,224