Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in Peterlee. No obligation ...
Trusted and professional extension builder in Peterlee. Experienced in all extension buildering work and keeping within budget and on quote. DHB Bu...
LJP Roofing are here to help customers who need an Extension Builder in Peterlee. We offer a competitive rate to complete all your extension builde...
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in Peterlee. We offer a competitive rate to complete all your exte...
From £2,304
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in Peterlee. Please contact us for a free, no obligation ...
From £1,984
Experienced extension builder ready to quote for your work. ALAN JACKSON BUILDER is the best extension builder in Peterlee. No obligation free quot...
From £2,072
usamaseo is a trusted extension builder serving customers in Peterlee and the surrounding area. Contact us to today to get a competitive quote for ...
From £2,360
Fahadseo is an established and experienced local extension builder in Peterlee. Please contact us for a free, no obligation quote and competitive r...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Peterlee it ranges from £1,728 (KIETH GRAY ROOFING & BUILDING based in TS24) to £2,360 (Fahadseo based in TS26).
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 Peterlee by posting a job with HaMuch and we will send it to extension builders in Peterlee.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Peterlee | £36 | £230 |
| Install An RSJ near Seaham | £35 | £235 |
| Install An RSJ near Hartlepool | £40 | £236 |
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Billingham | £44 | £242 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Spennymoor | £38 | £248 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Stockton-on-Tees | £41 | £228 |
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 - £17,377

Two storey extension - £87,816

Build a timber frame extension - £25,877

Build a swimming pool - £80,877

Single storey extension - £52,547

Side return extension - £40,120

Install an RSJ - £2,077

Outbuilding - £9,877

Build a Mansard loft conversion - £51,877

Loft conversion - £32,600

Build a kitchen extension - £41,877

Hip to gable loft conversion - £41,877

Granny annexe - £86,877

Garden office - £9,877

Convert a Garage - £15,877

Garage - £18,377

Build a flat roof extension - £21,877

Build a dormer loft conversion - £41,877

Concrete foundations - £6,127

Convert a bungalow loft - £28,877

Convert a basement - £36,120