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"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 Shildon. Experienced in all extension buildering work and keeping within budget and on quote. D & G B...
From £2,264
Croft-Hill Building & Joinery is a trusted extension builder serving customers in Shildon and the surrounding area. Contact us to today to get a co...
From £2,048
Need to find an Extension Builder near you for all your extension buildering work?
ANWEN CONSTRUCTION provides a local, trusted extension b...
From £2,168
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,240
Need to find an Extension Builder near you for all your extension buildering work?
SBC (BUILDERS) LIMITED provides a local, trusted extensi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Shildon it ranges from £1,960 (D & G Builders based in DL3) to £2,464 (Heritage NE Ltd based in DL17).
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 Shildon by posting a job with HaMuch and we will send it to extension builders in Shildon.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bishop Auckland | £38 | £248 |
| Install An RSJ near Newton Aycliffe | £38 | £225 |
| Install An RSJ near Spennymoor | £37 | £249 |
| Install An RSJ near Darlington | £60 | £222 |
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Stockton-on-Tees | £41 | £228 |
| Install An RSJ near Billingham | £44 | £242 |
| Install An RSJ near Thornaby-on-Tees | £42 | £231 |
| Install An RSJ near Ingleby Barwick | £41 | £228 |
| Install An RSJ near Peterlee | £36 | £230 |
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 - £17,491

Two storey extension - £87,986

Build a timber frame extension - £25,991

Build a swimming pool - £80,991

Single storey extension - £54,813

Side return extension - £41,395

Install an RSJ - £2,191

Outbuilding - £9,991

Build a Mansard loft conversion - £51,991

Loft conversion - £33,663

Build a kitchen extension - £41,991

Hip to gable loft conversion - £41,991

Granny annexe - £86,991

Garden office - £9,991

Convert a Garage - £15,991

Garage - £18,491

Build a flat roof extension - £21,991

Build a dormer loft conversion - £41,991

Concrete foundations - £6,241

Convert a bungalow loft - £28,991

Convert a basement - £37,395