From £2,016
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,240
I started my business in 2008 after being employed within the property industry, consulting on designs of houses, schemes and mixes of property fo...
From £2,152
Need to find an Extension Builder near you for all your extension buildering work?
Sophie Brown Limited provides a local, trusted extension...
From £2,024
BridBuild ltd. is an established extension buildering business in YO31. We come highly recommended and provide competitive quotes for your work.
From £2,144
Relax... you have found a reliable extension builder in YO31. Pete Nellis Builder is a friendly and reliable company based in YO31 who consider no ...
From £1,792
S & P Building & Landscaping is an established and experienced local extension builder in YO31. Please contact us for a free, no obligation quote a...
From £1,776
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,960
Our philosophy is born out of listening to our clients. We know how stressful and time-consuming any renovation can be, and we have developed our s...
From £2,184
We offer excellent service and competitive prices with reliability being at the forefront of our company.
From £2,152
Trusted and professional extension builder in YO31. Experienced in all extension buildering work and keeping within budget and on quote. CG Buildin...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in YO31 it ranges from £1,776 (DRA Renovations based in YO10) to £2,240 (Sophie Brown Limited based in YO31).
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 YO31 by posting a job with HaMuch and we will send it to extension builders in YO31.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near York | £30 | £229 |
| Install An RSJ near Selby | £30 | £240 |
| Install An RSJ near Goole | £26 | £217 |
| Install An RSJ near Harrogate | £29 | £225 |
| Install An RSJ near Castleford | £30 | £225 |
| Install An RSJ near Rothwell | £30 | £229 |
| Install An RSJ near Chapeltown | £30 | £231 |
| Install An RSJ near Pontefract | £30 | £228 |
| Install An RSJ near Leeds | £31 | £236 |
| Install An RSJ near Normanton | £30 | £233 |
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 - £17,344

Two storey extension - £87,766

Build a timber frame extension - £25,844

Build a swimming pool - £80,844

Single storey extension - £51,880

Side return extension - £39,745

Install an RSJ - £2,044

Outbuilding - £9,844

Build a Mansard loft conversion - £51,844

Loft conversion - £32,288

Build a kitchen extension - £41,844

Hip to gable loft conversion - £41,844

Granny annexe - £86,844

Garden office - £9,844

Convert a Garage - £15,844

Garage - £18,344

Build a flat roof extension - £21,844

Build a dormer loft conversion - £41,844

Concrete foundations - £6,094

Convert a bungalow loft - £28,844

Convert a basement - £35,745