From £2,152
Barlow Construction Limited are here to help customers who need an Extension Builder in YO7. We offer a competitive rate to complete all your exten...
From £1,480
Relax... you have found a reliable extension builder in YO7. B A Moss Builders is a friendly and reliable company based in YO7 who consider no job ...
From £2,032
34years in the building trade small works to extensions vast experience of older buildings including listed properties
From £2,272
At 7S Constriction, we're the "go-to" construction company in York for home renovations and constructions. We are a small, family-run construction ...
From £2,072
Hi I'm darren
I'm a fully qualified time served joiner I have been doing it for 30 years and have been self employed for 12 years ...
From £1,960
Need to find an Extension Builder near you for all your extension buildering work?
Extra Space Developments Ltd provides a local, trusted e...
From £1,920
S & K Windows are here to help customers who need an Extension Builder in YO7. We offer a competitive rate to complete all your extension builderin...
From £2,104
Need to find an Extension Builder near you for all your extension buildering work?
PRC PROJECTS LTD provides a local, trusted extension bui...
From £1,936
Need to find an Extension Builder near you for all your extension buildering work?
ARORA CONSTRUCTION LIMITED provides a local, trusted ext...
From £1,952
Need an Extension Builder in YO7? Limehouse design & build has been helping local clients (20 mile radius) with their extension buildering jobs for...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in YO7 it ranges from £1,480 (B A Moss Builders based in YO61) to £2,272 (7S Construction based in YO51).
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 YO7 by posting a job with HaMuch and we will send it to extension builders in YO7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Harrogate | £29 | £225 |
| Install An RSJ near Ingleby Barwick | £41 | £227 |
| Install An RSJ near York | £30 | £229 |
| Install An RSJ near Thornaby-on-Tees | £41 | £230 |
| Install An RSJ near Darlington | £60 | £222 |
| Install An RSJ near Stockton-on-Tees | £40 | £226 |
| Install An RSJ near Middlesbrough | £42 | £235 |
| Install An RSJ near Eston | £42 | £254 |
| Install An RSJ near Billingham | £43 | £240 |
| Install An RSJ near Redcar & Cleveland | £42 | £274 |
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 - £17,288

Two storey extension - £87,682

Build a timber frame extension - £25,788

Build a swimming pool - £80,788

Single storey extension - £50,760

Side return extension - £39,115

Install an RSJ - £1,988

Outbuilding - £9,788

Build a Mansard loft conversion - £51,788

Loft conversion - £31,763

Build a kitchen extension - £41,788

Hip to gable loft conversion - £41,788

Granny annexe - £86,788

Garden office - £9,788

Convert a Garage - £15,788

Garage - £18,288

Build a flat roof extension - £21,788

Build a dormer loft conversion - £41,788

Concrete foundations - £6,038

Convert a bungalow loft - £28,788

Convert a basement - £35,115