From £2,064
Trusted and professional extension builder in Bassetlaw. Experienced in all extension buildering work and keeping within budget and on quote. Gilma...
From £2,168
Based in Nottinghamshire, Lincolnshire Resolution Roofing Ltd** is a professional, reliable roofing company with unrivalled expertise in the indus...
From £2,472
If you are looking for a block-paving specialist Random Stone Construction can help. We have been transforming driveways for 15 ye...
From £2,152
Our building services company AJ Construction was established in 2008. Since then we have been helping customers in Nottinghamshire and the surroun...
From £2,128
CRAIG PARR BUILDERS is an established extension buildering business in Bassetlaw. We come highly recommended and provide competitive quotes for you...
From £2,008
Relax... you have found a reliable extension builder in Bassetlaw. LFC Builders is a friendly and reliable company based in Bassetlaw who consider ...
From £1,992
Haus Concrete Surfaces is an established extension buildering business in Bassetlaw. We come highly recommended and provide competitive quotes for ...
From £2,056
Relax... you have found a reliable extension builder in Bassetlaw. Tep's Building Services is a friendly and reliable company based in Bassetlaw wh...
From £1,976
Need an Extension Builder in Bassetlaw? DB Construction has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £2,176
We are a successful company with many years experience in our trade. We can expertly provide consultation & solutions for various client requiremen...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Bassetlaw it ranges from £1,976 (DB Construction based in NG22) to £2,472 (Random Stone Construction based in S81).
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 Bassetlaw by posting a job with HaMuch and we will send it to extension builders in Bassetlaw.
"RSJ installation 5m Currently in place French door 2m - wall 1m - window 2m Remove door, window and wall, for rsj in prep for bifold doors" - DN22, job posted 06/02/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bassetlaw | £31 | £243 |
| Install An RSJ near Retford | £31 | £243 |
| Install An RSJ near Worksop | £33 | £265 |
| Install An RSJ near Gainsborough | £30 | £234 |
| Install An RSJ near Wickersley | £33 | £257 |
| Install An RSJ near Doncaster | £29 | £238 |
| Install An RSJ near Forest Town | £33 | £263 |
| Install An RSJ near Mansfield Woodhouse | £33 | £263 |
| Install An RSJ near Lincoln | £31 | £232 |
| Install An RSJ near Mansfield | £33 | £262 |
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 - £17,419

Two storey extension - £87,879

Build a timber frame extension - £25,919

Build a swimming pool - £80,919

Single storey extension - £53,384

Side return extension - £40,591

Install an RSJ - £2,119

Outbuilding - £9,919

Build a Mansard loft conversion - £51,919

Loft conversion - £32,993

Build a kitchen extension - £41,919

Hip to gable loft conversion - £41,919

Granny annexe - £86,919

Garden office - £9,919

Convert a Garage - £15,919

Garage - £18,419

Build a flat roof extension - £21,919

Build a dormer loft conversion - £41,919

Concrete foundations - £6,169

Convert a bungalow loft - £28,919

Convert a basement - £36,591