On time/ professional/ time served/trustworthy
L T Builders is a trusted extension builder serving customers in Gosforth and the surrounding area. Contact us to today to get a competitive quote ...
Trusted and professional extension builder in Gosforth. Experienced in all extension buildering work and keeping within budget and on quote. X7 Roo...
Need to find an Extension Builder near you for all your extension buildering work?
TK Builders provides a local, trusted extension builderi...
MM Building Services is an established and experienced local extension builder in Gosforth. Please contact us for a free, no obligation quote and c...
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Gosforth. Please contact us for a free, no obligation ...
Oscar Carballo
I have over 40 years experience in the field of construction. Thank you and I hope I will be of service to you.
Trusted and professional extension builder in Gosforth. Experienced in all extension buildering work and keeping within budget and on quote. DGS Pr...
Arrowhead Construction is a trusted extension builder serving customers in Gosforth and the surrounding area. Contact us to today to get a competit...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Gosforth it ranges from £1,240 (OCC Construction based in NE10) to £2,680 (Key Building Solutions based in NE9).
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 Gosforth by posting a job with HaMuch and we will send it to extension builders in Gosforth.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Longbenton | £34 | £234 |
| Install An RSJ near Newcastle Upon Tyne | £33 | £236 |
| Install An RSJ near Gateshead | £33 | £236 |
| Install An RSJ near Wallsend | £34 | £245 |
| Install An RSJ near Cramlington | £36 | £256 |
| Install An RSJ near Hebburn | £34 | £246 |
| Install An RSJ near North Tyneside | £35 | £253 |
| Install An RSJ near Whitley Bay | £38 | £268 |
| Install An RSJ near Jarrow | £34 | £262 |
| 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 - £17,427

Two storey extension - £87,891

Build a timber frame extension - £25,927

Build a swimming pool - £80,927

Single storey extension - £53,544

Side return extension - £40,681

Install an RSJ - £2,127

Outbuilding - £9,927

Build a Mansard loft conversion - £51,927

Loft conversion - £33,068

Build a kitchen extension - £41,927

Hip to gable loft conversion - £41,927

Granny annexe - £86,927

Garden office - £9,927

Convert a Garage - £15,927

Garage - £18,427

Build a flat roof extension - £21,927

Build a dormer loft conversion - £41,927

Concrete foundations - £6,177

Convert a bungalow loft - £28,927

Convert a basement - £36,681