From £2,056
Relax... you have found a reliable extension builder in NG8. Bennett Damp Proofing & Timber is a friendly and reliable company based in NG8 who con...
From £2,224
JG Design & Build is an established extension buildering business in NG8. We come highly recommended and provide competitive quotes for your work.<...
From £2,136
Need an Extension Builder in NG8? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension buil...
From £2,424
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,000
Acorn Windows (Nottingham) Limited are here to help customers who need an Extension Builder in NG8. We offer a competitive rate to complete all you...
From £1,928
Are you thinking about buying new windows or doors? adding space with a conservatory or protecting your home, from whatever the winter can throw at...
From £2,088
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,904
rightbuild is an established extension buildering business in NG8. We come highly recommended and provide competitive quotes for your work.
From £1,960
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NG8 it ranges from £1,904 (Rightbuild based in NG8) to £2,424 (Chris based in NG8).
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 NG8 by posting a job with HaMuch and we will send it to extension builders in NG8.
"RSJ installation , I just removed ground floor and first floor chimney breast and want to rsj installation" - NOTTINGHAM, job posted 09/09/25
"RSJ installation" - NOTTINGHAM, job posted 10/02/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Nottingham | £34 | £241 |
| Install An RSJ near Broxtowe | £33 | £240 |
| Install An RSJ near West Bridgford | £33 | £245 |
| Install An RSJ near Ilkeston | £31 | £235 |
| Install An RSJ near Arnold | £35 | £244 |
| Install An RSJ near Erewash | £31 | £233 |
| Install An RSJ near Carlton | £33 | £242 |
| Install An RSJ near Long Eaton | £32 | £248 |
| Install An RSJ near Gedling | £33 | £242 |
| Install An RSJ near Hucknall | £35 | £258 |
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 - £17,386

Two storey extension - £87,830

Build a timber frame extension - £25,886

Build a swimming pool - £80,886

Single storey extension - £52,728

Side return extension - £40,222

Install an RSJ - £2,086

Outbuilding - £9,886

Build a Mansard loft conversion - £51,886

Loft conversion - £32,685

Build a kitchen extension - £41,886

Hip to gable loft conversion - £41,886

Granny annexe - £86,886

Garden office - £9,886

Convert a Garage - £15,886

Garage - £18,386

Build a flat roof extension - £21,886

Build a dormer loft conversion - £41,886

Concrete foundations - £6,136

Convert a bungalow loft - £28,886

Convert a basement - £36,222