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Albert Radici
Durham, DH1
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
Trusted and professional extension builder in Durham. Experienced in all extension buildering work and keeping within budget and on quote. DHB Buil...
LJP Roofing are here to help customers who need an Extension Builder in Durham. We offer a competitive rate to complete all your extension builderi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Durham. AA Paving is a friendly and reliable company based in Durham who consider no job as...
Durham, DH1
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in Durham. Please contact us for a free, no obligation quote and...
Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in Durham. No obligation free quot...
From £2,112
Need an Extension Builder in Durham? Spacesaver Loft Storage has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £1,960
Need an Extension Builder in Durham? K & J Property has been helping local clients (20 mile radius) with their extension buildering jobs for many y...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Durham it ranges from £1,960 (K & J Property based in DH7) 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 Durham by posting a job with HaMuch and we will send it to extension builders in Durham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Spennymoor | £37 | £249 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Stanley | £34 | £242 |
| Install An RSJ near Seaham | £35 | £235 |
| Install An RSJ near Bishop Auckland | £38 | £248 |
| Install An RSJ near Peterlee | £36 | £230 |
| Install An RSJ near Newton Aycliffe | £38 | £225 |
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 - £17,532

Two storey extension - £88,048

Build a timber frame extension - £26,032

Build a swimming pool - £81,032

Single storey extension - £55,640

Side return extension - £41,860

Install an RSJ - £2,232

Outbuilding - £10,032

Build a Mansard loft conversion - £52,032

Loft conversion - £34,050

Build a kitchen extension - £42,032

Hip to gable loft conversion - £42,032

Granny annexe - £87,032

Garden office - £10,032

Convert a Garage - £16,032

Garage - £18,532

Build a flat roof extension - £22,032

Build a dormer loft conversion - £42,032

Concrete foundations - £6,282

Convert a bungalow loft - £29,032

Convert a basement - £37,860