We send your job to ALL Coniston extension builders
Available extension builders in Coniston reply
Select your affordable Coniston extension builder
Trusted and professional extension builder in Coniston. Experienced in all extension buildering work and keeping within budget and on quote. J R S ...
From £2,104
Relax... you have found a reliable extension builder in Coniston. Wolfe Design & Build is a friendly and reliable company based in Coniston who con...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Coniston it ranges from £1,912 (J R S BUILDING based in LA23) to £2,104 (Wolfe Design & Build based in LA17).
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 Coniston by posting a job with HaMuch and we will send it to extension builders in Coniston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Kendal | £28 | £236 |
| Install An RSJ near Barrow-in-Furness | £25 | £204 |
| Install An RSJ near Morecambe | £25 | £212 |
| Install An RSJ near Whitehaven | £22 | £221 |
| Install An RSJ near Lancaster | £25 | £211 |
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 - £17,308

Two storey extension - £87,712

Build a timber frame extension - £25,808

Build a swimming pool - £80,808

Single storey extension - £51,160

Side return extension - £39,340

Install an RSJ - £2,008

Outbuilding - £9,808

Build a Mansard loft conversion - £51,808

Loft conversion - £31,950

Build a kitchen extension - £41,808

Hip to gable loft conversion - £41,808

Granny annexe - £86,808

Garden office - £9,808

Convert a Garage - £15,808

Garage - £18,308

Build a flat roof extension - £21,808

Build a dormer loft conversion - £41,808

Concrete foundations - £6,058

Convert a bungalow loft - £28,808

Convert a basement - £35,340