From £1,872
Sale Moor Roofing & Building Contractors is a trusted extension builder serving customers in Failsworth and the surrounding area. Contact us to tod...
From £2,168
phoenix builders is a trusted extension builder serving customers in Failsworth and the surrounding area. Contact us to today to get a competitive ...
From £2,296
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
From £1,832
Trusted and professional extension builder in Failsworth. Experienced in all extension buildering work and keeping within budget and on quote. Fit-...
From £2,144
Experienced extension builder ready to quote for your work. C&R Property & Construction Ltd is the best extension builder in Failsworth. No obligat...
From £1,920
McClean Builders are here to help customers who need an Extension Builder in Failsworth. We offer a competitive rate to complete all your extension...
From £1,584
Small brickwork jobs welcome.garden wall's and pointing as well.any type of walls built.
From £2,248
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,048
Trusted and professional extension builder in Failsworth. Experienced in all extension buildering work and keeping within budget and on quote. We B...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Failsworth it ranges from £1,384 (Valdecor based in OL8) to £2,296 (N/W Builders based in Ol8).
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 Failsworth by posting a job with HaMuch and we will send it to extension builders in Failsworth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Failsworth | £35 | £235 |
| Install An RSJ near Droylsden | £34 | £237 |
| Install An RSJ near Chadderton | £31 | £224 |
| Install An RSJ near Oldham | £31 | £228 |
| Install An RSJ near Ashton-under-Lyne | £36 | £231 |
| Install An RSJ near Tameside | £35 | £231 |
| Install An RSJ near Middleton | £31 | £227 |
| Install An RSJ near Dukinfield | £35 | £231 |
| Install An RSJ near Denton | £35 | £233 |
| Install An RSJ near Manchester | £32 | £236 |
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 - £17,250

Two storey extension - £87,624

Build a timber frame extension - £25,750

Build a swimming pool - £80,750

Single storey extension - £49,992

Side return extension - £38,683

Install an RSJ - £1,950

Outbuilding - £9,750

Build a Mansard loft conversion - £51,750

Loft conversion - £31,403

Build a kitchen extension - £41,750

Hip to gable loft conversion - £41,750

Granny annexe - £86,750

Garden office - £9,750

Convert a Garage - £15,750

Garage - £18,250

Build a flat roof extension - £21,750

Build a dormer loft conversion - £41,750

Concrete foundations - £6,000

Convert a bungalow loft - £28,750

Convert a basement - £34,683