From £2,088
Relax... you have found a reliable extension builder in Longbenton. SB Building Solutions is a friendly and reliable company based in Longbenton wh...
From £2,168
Trusted and professional extension builder in Longbenton. Experienced in all extension buildering work and keeping within budget and on quote. Gosf...
From £2,136
Trusted and professional extension builder in Longbenton. Experienced in all extension buildering work and keeping within budget and on quote. Ayns...
From £2,048
MM Building Services is an established and experienced local extension builder in Longbenton. Please contact us for a free, no obligation quote and...
From £2,208
Need to find an Extension Builder near you for all your extension buildering work?
TK Builders provides a local, trusted extension builderi...
From £2,048
JT Roofing is an established and experienced local extension builder in Longbenton. Please contact us for a free, no obligation quote and competiti...
From £2,392
Dave Ogle is an established and experienced local extension builder in Longbenton. Please contact us for a free, no obligation quote and competitiv...
From £2,368
Trusted and professional extension builder in Longbenton. Experienced in all extension buildering work and keeping within budget and on quote. B & ...
From £1,984
Trusted and professional extension builder in Longbenton. Experienced in all extension buildering work and keeping within budget and on quote. DGS ...
From £2,048
Trusted and professional extension builder in Longbenton. Experienced in all extension buildering work and keeping within budget and on quote. X7 R...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Longbenton it ranges from £1,984 (DGS Property Services based in NE23) to £2,392 (Dave Ogle based in NE).
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 Longbenton by posting a job with HaMuch and we will send it to extension builders in Longbenton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Longbenton | £33 | £231 |
| Install An RSJ near Newcastle Upon Tyne | £33 | £233 |
| Install An RSJ near Wallsend | £34 | £242 |
| Install An RSJ near Gateshead | £33 | £234 |
| Install An RSJ near North Tyneside | £35 | £253 |
| Install An RSJ near Hebburn | £34 | £244 |
| Install An RSJ near Cramlington | £36 | £256 |
| Install An RSJ near Whitley Bay | £38 | £268 |
| Install An RSJ near Jarrow | £34 | £261 |
| Install An RSJ near Tynemouth | £36 | £257 |
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 - £17,449

Two storey extension - £87,923

Build a timber frame extension - £25,949

Build a swimming pool - £80,949

Single storey extension - £53,976

Side return extension - £40,924

Install an RSJ - £2,149

Outbuilding - £9,949

Build a Mansard loft conversion - £51,949

Loft conversion - £33,270

Build a kitchen extension - £41,949

Hip to gable loft conversion - £41,949

Granny annexe - £86,949

Garden office - £9,949

Convert a Garage - £15,949

Garage - £18,449

Build a flat roof extension - £21,949

Build a dormer loft conversion - £41,949

Concrete foundations - £6,199

Convert a bungalow loft - £28,949

Convert a basement - £36,924