Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Harrogate. Rob Brumfitt Dry Stone Walling is a friendly and reliable company based in Harro...
Experienced extension builder ready to quote for your work. Fellbrook Builders is the best extension builder in Harrogate. No obligation free quote...
Need to find an Extension Builder near you for all your extension buildering work?
ARORA CONSTRUCTION LIMITED provides a local, trusted ext...
Relax... you have found a reliable extension builder in Harrogate. Homebuild ltd is a friendly and reliable company based in Harrogate who consider...
Andrew Marshall
Harrogate, HG2
Need to find an Extension Builder near you for all your extension buildering work?
A MARSHALL provides a local, trusted extension builderin...
We are a part of the award-winning Refresh Renovation franchise network.Perhaps you want to freshen up the décor in your Victorian townhouse, or y...
From £1,984
Bayley Heritage Building is a trusted extension builder serving customers in Harrogate and the surrounding area. Contact us to today to get a compe...
From £1,864
Philip Gott
Experienced extension builder ready to quote for your work. AMG Design & Build is the best extension builder in Harrogate. No obligation free quote...
From £1,936
When you trust Arcadia Builders with working your project, you can relax and watch as the results unfold over time. We can cover your building need...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Harrogate it ranges from £1,840 (A & J Halford based in HG2) to £2,120 (Rob Brumfitt Dry Stone Walling based in HG1).
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 Harrogate by posting a job with HaMuch and we will send it to extension builders in Harrogate.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Harrogate | £29 | £225 |
| Install An RSJ near Chapeltown | £30 | £232 |
| Install An RSJ near Leeds | £31 | £236 |
| Install An RSJ near Shipley | £29 | £226 |
| Install An RSJ near Pudsey | £30 | £226 |
| Install An RSJ near Beeston | £31 | £236 |
| Install An RSJ near Bingley | £30 | £228 |
| Install An RSJ near Bradford | £29 | £224 |
| Install An RSJ near Rothwell | £30 | £230 |
| Install An RSJ near Keighley | £30 | £226 |
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 - £17,274

Two storey extension - £87,660

Build a timber frame extension - £25,774

Build a swimming pool - £80,774

Single storey extension - £50,472

Side return extension - £38,953

Install an RSJ - £1,974

Outbuilding - £9,774

Build a Mansard loft conversion - £51,774

Loft conversion - £31,628

Build a kitchen extension - £41,774

Hip to gable loft conversion - £41,774

Granny annexe - £86,774

Garden office - £9,774

Convert a Garage - £15,774

Garage - £18,274

Build a flat roof extension - £21,774

Build a dormer loft conversion - £41,774

Concrete foundations - £6,024

Convert a bungalow loft - £28,774

Convert a basement - £34,953