From £1,984
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...
From £2,192
Trusted and professional extension builder in Cotgrave. Experienced in all extension buildering work and keeping within budget and on quote. PBM Se...
From £1,888
Trusted and professional extension builder in Cotgrave. Experienced in all extension buildering work and keeping within budget and on quote. G Huds...
From £1,984
Relax... you have found a reliable extension builder in Cotgrave. BUILDING TRADE CONNECTIONS LTD is a friendly and reliable company based in Cotgra...
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 £2,152
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...
From £2,232
Need to find an Extension Builder near you for all your extension buildering work?
NG Roofing Solutions provides a local, trusted extension...
From £2,240
MCL CONSTRUCTION AND DEVELOPMENT LTD is a trusted extension builder serving customers in Cotgrave and the surrounding area. Contact us to today to ...
From £1,520
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,424
Bradley & Croll Building & Electrical Services Ltd are a Nottingham based company established in 2016. We are Richard Bradley & Russell Cr...

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 £2,424 (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 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 | £248 |
| Install An RSJ near Broxtowe | £33 | £240 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near Erewash | £31 | £233 |
| Install An RSJ near Ilkeston | £31 | £235 |
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 - £17,367

Two storey extension - £87,801

Build a timber frame extension - £25,867

Build a swimming pool - £80,867

Single storey extension - £52,344

Side return extension - £40,006

Install an RSJ - £2,067

Outbuilding - £9,867

Build a Mansard loft conversion - £51,867

Loft conversion - £32,505

Build a kitchen extension - £41,867

Hip to gable loft conversion - £41,867

Granny annexe - £86,867

Garden office - £9,867

Convert a Garage - £15,867

Garage - £18,367

Build a flat roof extension - £21,867

Build a dormer loft conversion - £41,867

Concrete foundations - £6,117

Convert a bungalow loft - £28,867

Convert a basement - £36,006