From £1,944
Trusted and professional extension builder in Richmond. Experienced in all extension buildering work and keeping within budget and on quote. Empire...
From £2,080
Relax... you have found a reliable extension builder in Richmond. Under Pressure is a friendly and reliable company based in Richmond who consider ...
From £1,960
Trusted and professional extension builder in Richmond. Experienced in all extension buildering work and keeping within budget and on quote. D & G ...
From £1,920
S & K Windows are here to help customers who need an Extension Builder in Richmond. We offer a competitive rate to complete all your extension buil...
From £2,048
Richmond, DL10
Need to find an Extension Builder near you for all your extension buildering work?
Victory Procurement Solutions provides a local, trusted...
From £2,120
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,832
Partek Site Services is an established and experienced local extension builder in Richmond. Please contact us for a free, no obligation quote and c...
From £2,152
Barlow Construction Limited are here to help customers who need an Extension Builder in Richmond. We offer a competitive rate to complete all your ...
From £2,128
Woodale Construction Nidderdale is an established extension buildering business in Richmond. We come highly recommended and provide competitive qu...
From £2,024
Experienced extension builder ready to quote for your work. AW Building Projects North East Ltd is the best extension builder in Richmond. No oblig...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Richmond it ranges from £1,832 (Partek Site Services based in DL2) to £2,152 (Barlow Construction Limited based in YO7).
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 Richmond by posting a job with HaMuch and we will send it to extension builders in Richmond.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Darlington | £60 | £222 |
| Install An RSJ near Newton Aycliffe | £39 | £227 |
| Install An RSJ near Ingleby Barwick | £41 | £228 |
| Install An RSJ near Bishop Auckland | £39 | £247 |
| Install An RSJ near Stockton-on-Tees | £41 | £228 |
| Install An RSJ near Thornaby-on-Tees | £42 | £231 |
| Install An RSJ near Spennymoor | £38 | £248 |
| Install An RSJ near Billingham | £44 | £242 |
| Install An RSJ near Middlesbrough | £43 | £236 |
| Install An RSJ near Eston | £42 | £241 |
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 - £17,321

Two storey extension - £87,731

Build a timber frame extension - £25,821

Build a swimming pool - £80,821

Single storey extension - £51,416

Side return extension - £39,484

Install an RSJ - £2,021

Outbuilding - £9,821

Build a Mansard loft conversion - £51,821

Loft conversion - £32,070

Build a kitchen extension - £41,821

Hip to gable loft conversion - £41,821

Granny annexe - £86,821

Garden office - £9,821

Convert a Garage - £15,821

Garage - £18,321

Build a flat roof extension - £21,821

Build a dormer loft conversion - £41,821

Concrete foundations - £6,071

Convert a bungalow loft - £28,821

Convert a basement - £35,484