John Taylor
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Cotgrave? Patrick David Building Services Limited has been helping local clients (20 mile radius) with their extension...
JG Design & Build is an established extension buildering business in Cotgrave. We come highly recommended and provide competitive quotes for your w...
Relax... you have found a reliable extension builder in Cotgrave. Bennett Damp Proofing & Timber is a friendly and reliable company based in Cotgra...
Need to find an Extension Builder near you for all your extension buildering work?
NG Roofing Solutions provides a local, trusted extension...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...
Cotgrave, NG12
Ultimate Construction is a trusted extension builder serving customers in Cotgrave and the surrounding area. Contact us to today to get a competiti...
Trusted and professional extension builder in Cotgrave. Experienced in all extension buildering work and keeping within budget and on quote. PBM Se...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cotgrave it ranges from £1,520 (Key Construction based in NG4) to £2,232 (NG Roofing Solutions based in NG2).
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 Cotgrave by posting a job with HaMuch and we will send it to extension builders in Cotgrave.
"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 West Bridgford | £33 | £245 |
| Install An RSJ near Carlton | £33 | £242 |
| Install An RSJ near Gedling | £33 | £242 |
| Install An RSJ near Nottingham | £34 | £241 |
| Install An RSJ near Arnold | £35 | £244 |
| Install An RSJ near Long Eaton | £32 | £249 |
| Install An RSJ near Broxtowe | £34 | £240 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near Erewash | £31 | £234 |
| Install An RSJ near Ilkeston | £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 - £17,366

Two storey extension - £87,800

Build a timber frame extension - £25,866

Build a swimming pool - £80,866

Single storey extension - £52,328

Side return extension - £39,997

Install an RSJ - £2,066

Outbuilding - £9,866

Build a Mansard loft conversion - £51,866

Loft conversion - £32,498

Build a kitchen extension - £41,866

Hip to gable loft conversion - £41,866

Granny annexe - £86,866

Garden office - £9,866

Convert a Garage - £15,866

Garage - £18,366

Build a flat roof extension - £21,866

Build a dormer loft conversion - £41,866

Concrete foundations - £6,116

Convert a bungalow loft - £28,866

Convert a basement - £35,997