From £2,032
Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in DH2. No obligation free quotes ...
From £2,480
HST ENG LTD is an established extension buildering business in DH2. We come highly recommended and provide competitive quotes for your work.
From £2,112
Need an Extension Builder in DH2? Spacesaver Loft Storage has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £2,096
S & A W Joinery & Construction is a trusted extension builder serving customers in DH2 and the surrounding area. Contact us to today to get a compe...
From £1,984
Relax... you have found a reliable extension builder in DH2. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in DH2 who cons...
From £3,112
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £2,048
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in DH2. Please contact us for a free, no obligation quo...
From £3,080
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £2,472
We have 20+ years experience through all trades supplied.
Yes, we are an Advanced Vaillant installer.
Yes we are members of S...
From £2,304
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH2. Please contact us for a free, no obligation quote and co...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DH2 it ranges from £1,984 (ORILLA CONSTRUCTION SOLUTIONS based in NE37) 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 DH2 by posting a job with HaMuch and we will send it to extension builders in DH2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Washington | £33 | £251 |
| Install An RSJ near Stanley | £34 | £242 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Gateshead | £33 | £234 |
| Install An RSJ near Newcastle Upon Tyne | £33 | £233 |
| Install An RSJ near Hebburn | £34 | £244 |
| Install An RSJ near Jarrow | £34 | £261 |
| Install An RSJ near Consett | £33 | £241 |
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 - £17,672

Two storey extension - £88,258

Build a timber frame extension - £26,172

Build a swimming pool - £81,172

Single storey extension - £58,440

Side return extension - £43,435

Install an RSJ - £2,372

Outbuilding - £10,172

Build a Mansard loft conversion - £52,172

Loft conversion - £35,363

Build a kitchen extension - £42,172

Hip to gable loft conversion - £42,172

Granny annexe - £87,172

Garden office - £10,172

Convert a Garage - £16,172

Garage - £18,672

Build a flat roof extension - £22,172

Build a dormer loft conversion - £42,172

Concrete foundations - £6,422

Convert a bungalow loft - £29,172

Convert a basement - £39,435