ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in NE40. Please contact us for a free, no obligation quot...
Trusted and professional extension builder in NE40. Experienced in all extension buildering work and keeping within budget and on quote. X7 Roofing...
Need an Extension Builder in NE40? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension buildering j...
From £2,368
Trusted and professional extension builder in NE40. Experienced in all extension buildering work and keeping within budget and on quote. B & R Buil...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NE40 it ranges from £2,008 (ANDREW HUNTER BUILDING SERVICES based in NE15) to £2,368 (B & R Building Services based in NE5).
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 NE40 by posting a job with HaMuch and we will send it to extension builders in NE40.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Newcastle Upon Tyne | £33 | £236 |
| Install An RSJ near Gateshead | £33 | £236 |
| Install An RSJ near Stanley | £34 | £242 |
| Install An RSJ near Longbenton | £34 | £234 |
| Install An RSJ near Consett | £33 | £241 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Wallsend | £34 | £245 |
| Install An RSJ near Hebburn | £34 | £246 |
| Install An RSJ near Cramlington | £36 | £256 |
| Install An RSJ near Washington | £33 | £254 |
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 - £17,480

Two storey extension - £87,970

Build a timber frame extension - £25,980

Build a swimming pool - £80,980

Single storey extension - £54,600

Side return extension - £41,275

Install an RSJ - £2,180

Outbuilding - £9,980

Build a Mansard loft conversion - £51,980

Loft conversion - £33,563

Build a kitchen extension - £41,980

Hip to gable loft conversion - £41,980

Granny annexe - £86,980

Garden office - £9,980

Convert a Garage - £15,980

Garage - £18,480

Build a flat roof extension - £21,980

Build a dormer loft conversion - £41,980

Concrete foundations - £6,230

Convert a bungalow loft - £28,980

Convert a basement - £37,275