From £1,840
Relax... you have found a reliable extension builder in BB10. CROSS CONSTRUCTION LTD is a friendly and reliable company based in BB10 who consider ...
From £1,904
Need to find an Extension Builder near you for all your extension buildering work?
Usaim Builders provides a local, trusted extension build...
From £1,856
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
From £1,856
Need an Extension Builder in BB10? M.A Martins has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £2,152
Pennine Building Services are here to help customers who need an Extension Builder in BB10. We offer a competitive rate to complete all your extens...
From £2,232
Need to find an Extension Builder near you for all your extension buildering work?
Ray's Property Services provides a local, trusted extens...
From £1,888
Experienced extension builder ready to quote for your work. Garage Door Services Lancashire is the best extension builder in BB10. No obligation fr...
From £1,816
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,776
Need to find an Extension Builder near you for all your extension buildering work?
Ken Thomas Property Repairs provides a local, trusted ex...
From £2,120
RJ BUILDERS CONSTRUCTION - Loft Conversions and Plastering specialists

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in BB10 it ranges from £1,776 (Ken Thomas Property Repairs based in BB9) to £2,232 (Ray's Property Services based in BB11).
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 BB10 by posting a job with HaMuch and we will send it to extension builders in BB10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Burnley | £29 | £219 |
| Install An RSJ near Nelson | £27 | £214 |
| Install An RSJ near Accrington | £33 | £243 |
| Install An RSJ near Rawtenstall | £29 | £213 |
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Blackburn | £33 | £246 |
| Install An RSJ near Darwen | £34 | £253 |
| Install An RSJ near Rochdale | £30 | £221 |
| Install An RSJ near Keighley | £30 | £226 |
| Install An RSJ near Heywood | £30 | £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 - £17,244

Two storey extension - £87,616

Build a timber frame extension - £25,744

Build a swimming pool - £80,744

Single storey extension - £49,880

Side return extension - £38,620

Install an RSJ - £1,944

Outbuilding - £9,744

Build a Mansard loft conversion - £51,744

Loft conversion - £31,350

Build a kitchen extension - £41,744

Hip to gable loft conversion - £41,744

Granny annexe - £86,744

Garden office - £9,744

Convert a Garage - £15,744

Garage - £18,244

Build a flat roof extension - £21,744

Build a dormer loft conversion - £41,744

Concrete foundations - £5,994

Convert a bungalow loft - £28,744

Convert a basement - £34,620