From £2,680
On time/ professional/ time served/trustworthy
From £2,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £3,112
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £2,008
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Tyne And Wear. Please contact us for a free, no obliga...
From £2,136
Building Craft Ltd is an established extension buildering business in Tyne And Wear. We come highly recommended and provide competitive quotes for ...
From £2,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,008
Trusted and professional extension builder in Tyne And Wear. Experienced in all extension buildering work and keeping within budget and on quote. D...
From £2,032
LJP Roofing are here to help customers who need an Extension Builder in Tyne And Wear. We offer a competitive rate to complete all your extension b...
From £2,048
Trusted and professional extension builder in Tyne And Wear. Experienced in all extension buildering work and keeping within budget and on quote. X...
From £2,296
Need an Extension Builder in Tyne And Wear? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension bui...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Tyne And Wear it ranges from £2,008 (ANDREW HUNTER BUILDING SERVICES based in NE15) to £3,112 (Radici Construction North East Ltd based in DH1).
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 Tyne And Wear by posting a job with HaMuch and we will send it to extension builders in Tyne And Wear.
| 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 Longbenton | £34 | £234 |
| Install An RSJ near Hebburn | £34 | £246 |
| Install An RSJ near Wallsend | £34 | £245 |
| Install An RSJ near Jarrow | £34 | £262 |
| Install An RSJ near North Tyneside | £35 | £253 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near South Tyneside | £34 | £261 |
| Install An RSJ near Whitley Bay | £38 | £268 |
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 - £17,570

Two storey extension - £88,104

Build a timber frame extension - £26,070

Build a swimming pool - £81,070

Single storey extension - £56,392

Side return extension - £42,283

Install an RSJ - £2,270

Outbuilding - £10,070

Build a Mansard loft conversion - £52,070

Loft conversion - £34,403

Build a kitchen extension - £42,070

Hip to gable loft conversion - £42,070

Granny annexe - £87,070

Garden office - £10,070

Convert a Garage - £16,070

Garage - £18,570

Build a flat roof extension - £22,070

Build a dormer loft conversion - £42,070

Concrete foundations - £6,320

Convert a bungalow loft - £29,070

Convert a basement - £38,283