John Taylor
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
JG Design & Build is an established extension buildering business in NG5. We come highly recommended and provide competitive quotes for your work.<...
Relax... you have found a reliable extension builder in NG5. Bennett Damp Proofing & Timber is a friendly and reliable company based in NG5 who con...
Sergi
We offer a range of building services that are tailored to meet the specific needs of our clients. Whether you are looking to extend your home, con...
Bosaco Ltd
Bosaco is a local family run construction company in Nottingham. Their Builders and Tradesmen have years of experience in a range of Building Works...
Bradley & Croll Building & Electrical Services Ltd are a Nottingham based company established in 2016. We are Richard Bradley & Russell Cr...
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 £2,056
Our building services company Jason Dutton Property Services has over 25 years' experience. We have been helping customers in Nottingham and the su...
From £1,960
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,240
Experienced extension builder ready to quote for your work. Blackwood Developers is the best extension builder in NG5. No obligation free quotes an...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NG5 it ranges from £1,520 (Key Construction based in NG4) to £2,424 (Bradley & Croll Building & Electrical Services Limited based in NG4).
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 NG5 by posting a job with HaMuch and we will send it to extension builders in NG5.
"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 Arnold | £35 | £244 |
| Install An RSJ near Nottingham | £34 | £241 |
| Install An RSJ near Carlton | £33 | £242 |
| Install An RSJ near Gedling | £33 | £242 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near West Bridgford | £33 | £245 |
| Install An RSJ near Broxtowe | £34 | £240 |
| Install An RSJ near Ilkeston | £31 | £236 |
| Install An RSJ near Ashfield | £34 | £269 |
| Install An RSJ near Heanor | £31 | £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 - £17,414

Two storey extension - £87,870

Build a timber frame extension - £25,914

Build a swimming pool - £80,914

Single storey extension - £53,272

Side return extension - £40,528

Install an RSJ - £2,114

Outbuilding - £9,914

Build a Mansard loft conversion - £51,914

Loft conversion - £32,940

Build a kitchen extension - £41,914

Hip to gable loft conversion - £41,914

Granny annexe - £86,914

Garden office - £9,914

Convert a Garage - £15,914

Garage - £18,414

Build a flat roof extension - £21,914

Build a dormer loft conversion - £41,914

Concrete foundations - £6,164

Convert a bungalow loft - £28,914

Convert a basement - £36,528