Experienced extension builder ready to quote for your work. Garage Door Services Lancashire is the best extension builder in Burnley. No obligation...
WM Brickwork & Pointing are here to help customers who need an Extension Builder in Burnley. We offer a competitive rate to complete all your exten...
Need an Extension Builder in Burnley? M.A Martins has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
Darren Gaynor is a trusted extension builder serving customers in Burnley and the surrounding area. Contact us to today to get a competitive quote ...
Need an Extension Builder in Burnley? NOBLETT BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering job...
Sasho Mitev
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
Experienced extension builder ready to quote for your work. SMH Joinery & Building is the best extension builder in Burnley. No obligation free quo...
Need to find an Extension Builder near you for all your extension buildering work?
Usaim Builders provides a local, trusted extension build...
Need to find an Extension Builder near you for all your extension buildering work?
J. Grimshaw provides a local, trusted extension builderi...
Relax... you have found a reliable extension builder in Burnley. CROSS CONSTRUCTION LTD is a friendly and reliable company based in Burnley who con...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Burnley it ranges from £1,824 (WM Brickwork & Pointing based in BB1) to £2,056 (SMH Joinery & Building based in BB4).
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 Burnley by posting a job with HaMuch and we will send it to extension builders in Burnley.
| 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 | £244 |
| Install An RSJ near Rawtenstall | £29 | £213 |
| Install An RSJ near Blackburn | £33 | £247 |
| Install An RSJ near Darwen | £34 | £255 |
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Rochdale | £30 | £221 |
| Install An RSJ near Bury | £30 | £219 |
| Install An RSJ near Heywood | £30 | £221 |
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 - £17,216

Two storey extension - £87,574

Build a timber frame extension - £25,716

Build a swimming pool - £80,716

Single storey extension - £49,320

Side return extension - £38,305

Install an RSJ - £1,916

Outbuilding - £9,716

Build a Mansard loft conversion - £51,716

Loft conversion - £31,088

Build a kitchen extension - £41,716

Hip to gable loft conversion - £41,716

Granny annexe - £86,716

Garden office - £9,716

Convert a Garage - £15,716

Garage - £18,216

Build a flat roof extension - £21,716

Build a dormer loft conversion - £41,716

Concrete foundations - £5,966

Convert a bungalow loft - £28,716

Convert a basement - £34,305