Will Huskinson
Honest, reliable, experienced building/civil engineering contractor established in 2001.
RMS Building Services is a trusted extension builder serving customers in DE7 and the surrounding area. Contact us to today to get a competitive qu...
John Smoth
Trusted and professional extension builder in DE7. Experienced in all extension buildering work and keeping within budget and on quote. Seerey and ...
From £2,176
Top Mark Conversions is a trusted extension builder serving customers in DE7 and the surrounding area. Contact us to today to get a competitive quo...
From £1,976
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,960
Our building services company CLF Building was established over 15 years ago and have been helping customers throughout Nottinghamshire by providin...
From £2,000
Acorn Windows (Nottingham) Limited are here to help customers who need an Extension Builder in DE7. We offer a competitive rate to complete all you...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DE7 it ranges from £1,200 (HUSKINSON CONSTR SRVCS LTD based in NG16) to £2,464 (Seerey and Smith Building Solutions based in DE7).
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 DE7 by posting a job with HaMuch and we will send it to extension builders in DE7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ilkeston | £31 | £236 |
| Install An RSJ near Broxtowe | £34 | £240 |
| Install An RSJ near Erewash | £31 | £234 |
| Install An RSJ near Heanor | £31 | £236 |
| Install An RSJ near Long Eaton | £32 | £249 |
| Install An RSJ near Ripley | £32 | £246 |
| Install An RSJ near Nottingham | £34 | £241 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near Belper | £32 | £244 |
| Install An RSJ near Derby | £29 | £227 |
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 - £17,262

Two storey extension - £87,643

Build a timber frame extension - £25,762

Build a swimming pool - £80,762

Single storey extension - £50,246

Side return extension - £38,826

Install an RSJ - £1,962

Outbuilding - £9,762

Build a Mansard loft conversion - £51,762

Loft conversion - £31,521

Build a kitchen extension - £41,762

Hip to gable loft conversion - £41,762

Granny annexe - £86,762

Garden office - £9,762

Convert a Garage - £15,762

Garage - £18,262

Build a flat roof extension - £21,762

Build a dormer loft conversion - £41,762

Concrete foundations - £6,012

Convert a bungalow loft - £28,762

Convert a basement - £34,826