PR Brick & Stone is an established extension buildering business in Barnsley. We come highly recommended and provide competitive quotes for your wo...
Need an Extension Builder in Barnsley? P Wilkinson Building has been helping local clients (20 mile radius) with their extension buildering jobs fo...
MANVERS CONSTRUCTION is an established and experienced local extension builder in Barnsley. Please contact us for a free, no obligation quote and c...
J CLARKE CONSTRUCTION LTD are here to help customers who need an Extension Builder in Barnsley. We offer a competitive rate to complete all your ex...
Yorkshire Garage Openers is an established extension buildering business in Barnsley. We come highly recommended and provide competitive quotes for...
Ian
Relax... you have found a reliable extension builder in Barnsley. Wett & Windy Ltd is a friendly and reliable company based in Barnsley who conside...
ASHBURY CONSTRUCTION T/A is an established and experienced local extension builder in Barnsley. Please contact us for a free, no obligation quote a...
Harvie Construction is an established and experienced local extension builder in Barnsley. Please contact us for a free, no obligation quote and co...
DAVID LEAKE CONSTRUCTION LTD is an established and experienced local extension builder in Barnsley. Please contact us for a free, no obligation quo...
Paul Chappell
Pc building services is a trusted extension builder serving customers in Barnsley and the surrounding area. Contact us to today to get a competitiv...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Barnsley it ranges from £1,768 (Wett & Windy Ltd based in S36) to £2,344 (P Wilkinson Building based in HD8).
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 Barnsley by posting a job with HaMuch and we will send it to extension builders in Barnsley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Barnsley | £31 | £242 |
| Install An RSJ near Wakefield | £31 | £240 |
| Install An RSJ near Rotherham | £32 | £257 |
| Install An RSJ near Ossett | £33 | £245 |
| Install An RSJ near Normanton | £30 | £233 |
| Install An RSJ near Dewsbury | £33 | £245 |
| Install An RSJ near Pontefract | £30 | £228 |
| Install An RSJ near Sheffield | £32 | £261 |
| Install An RSJ near Wickersley | £32 | £258 |
| Install An RSJ near Mirfield | £31 | £236 |
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 - £17,376

Two storey extension - £87,814

Build a timber frame extension - £25,876

Build a swimming pool - £80,876

Single storey extension - £52,520

Side return extension - £40,105

Install an RSJ - £2,076

Outbuilding - £9,876

Build a Mansard loft conversion - £51,876

Loft conversion - £32,588

Build a kitchen extension - £41,876

Hip to gable loft conversion - £41,876

Granny annexe - £86,876

Garden office - £9,876

Convert a Garage - £15,876

Garage - £18,376

Build a flat roof extension - £21,876

Build a dormer loft conversion - £41,876

Concrete foundations - £6,126

Convert a bungalow loft - £28,876

Convert a basement - £36,105