A Thompson Joinery & Building is a trusted extension builder serving customers in NG21 and the surrounding area. Contact us to today to get a compe...
Need an Extension Builder in NG21? BRS BUILDERS has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
Need to find an Extension Builder near you for all your extension buildering work?
Dave Tideswell Builder Renovations provides a local, tru...
From £2,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,096
Deanestor Limited is an established extension buildering business in NG21. We come highly recommended and provide competitive quotes for your work....

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NG21 it ranges from £2,096 (Deanestor Limited based in NG19) to £2,376 (A Thompson Joinery & Building based in NG18).
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 NG21 by posting a job with HaMuch and we will send it to extension builders in NG21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Forest Town | £33 | £262 |
| Install An RSJ near Mansfield | £33 | £261 |
| Install An RSJ near Mansfield Woodhouse | £33 | £262 |
| Install An RSJ near Sutton-in-Ashfield | £33 | £264 |
| Install An RSJ near Kirkby-in-Ashfield | £34 | £269 |
| Install An RSJ near Ashfield | £34 | £269 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near Arnold | £35 | £244 |
| Install An RSJ near Worksop | £33 | £265 |
| Install An RSJ near Alfreton | £34 | £261 |
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 - £17,490

Two storey extension - £87,986

Build a timber frame extension - £25,990

Build a swimming pool - £80,990

Single storey extension - £54,808

Side return extension - £41,392

Install an RSJ - £2,190

Outbuilding - £9,990

Build a Mansard loft conversion - £51,990

Loft conversion - £33,660

Build a kitchen extension - £41,990

Hip to gable loft conversion - £41,990

Granny annexe - £86,990

Garden office - £9,990

Convert a Garage - £15,990

Garage - £18,490

Build a flat roof extension - £21,990

Build a dormer loft conversion - £41,990

Concrete foundations - £6,240

Convert a bungalow loft - £28,990

Convert a basement - £37,392