Need to find an Extension Builder near you for all your extension buildering work?
SMM Property Services provides a local, trusted extensio...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Garry Jones Bricklayer are here to help customers who need an Extension Builder in Mansfield. We offer a competitive rate to complete all your exte...
Jonathan Petch
Acorn Builders is an established extension buildering business in Mansfield. We come highly recommended and provide competitive quotes for your wo...
Mansfield, NG18
A Thompson Joinery & Building is a trusted extension builder serving customers in Mansfield and the surrounding area. Contact us to today to get a ...
Trusted and professional extension builder in Mansfield. Experienced in all extension buildering work and keeping within budget and on quote. Lewis...
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 Mansfield? BRS BUILDERS has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
Mansfield, NG18
Need to find an Extension Builder near you for all your extension buildering work?
Dave Tideswell Builder Renovations provides a local, tru...
We specialise in full Bathroom Installations. From design and advise, to completion and satisfaction.

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Mansfield it ranges from £2,032 (Brook Contractors based in NG20) to £4,280 (Acorn Builders based in NG17).
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 Mansfield by posting a job with HaMuch and we will send it to extension builders in Mansfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Mansfield | £33 | £261 |
| Install An RSJ near Mansfield Woodhouse | £33 | £262 |
| Install An RSJ near Forest Town | £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 Alfreton | £34 | £261 |
| Install An RSJ near Arnold | £35 | £244 |
| Install An RSJ near Worksop | £33 | £265 |
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 - £17,794

Two storey extension - £88,440

Build a timber frame extension - £26,294

Build a swimming pool - £81,294

Single storey extension - £60,872

Side return extension - £44,803

Install an RSJ - £2,494

Outbuilding - £10,294

Build a Mansard loft conversion - £52,294

Loft conversion - £36,503

Build a kitchen extension - £42,294

Hip to gable loft conversion - £42,294

Granny annexe - £87,294

Garden office - £10,294

Convert a Garage - £16,294

Garage - £18,794

Build a flat roof extension - £22,294

Build a dormer loft conversion - £42,294

Concrete foundations - £6,544

Convert a bungalow loft - £29,294

Convert a basement - £40,803