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 £2,112
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR2. We offer a competitive rate to complete all your extension...
From £2,136
Building Craft Ltd is an established extension buildering business in SR2. We come highly recommended and provide competitive quotes for your work....
From £5,192
Trusted and professional extension builder in SR2. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...
From £2,112
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £1,360
We provide expert advice on building defects and cost effective environmental friendly solutions throughout the North East of England. Our bu...
From £3,080
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £1,800
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,984
Relax... you have found a reliable extension builder in SR2. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in SR2 who cons...
From £2,048
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in SR2. Please contact us for a free, no obligation quo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SR2 it ranges from £1,360 (Dry Tec based in DH6) to £5,192 (David Robertson builders based in Sr4).
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 SR2 by posting a job with HaMuch and we will send it to extension builders in SR2.
"RSJ installation" - SUNDERLAND
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Seaham | £30 | £201 |
| Install An RSJ near Sunderland | £29 | £220 |
| Install An RSJ near South Tyneside | £30 | £228 |
| Install An RSJ near Washington | £29 | £221 |
| Install An RSJ near Jarrow | £29 | £227 |
| Install An RSJ near South Shields | £30 | £219 |
| Install An RSJ near Hebburn | £29 | £212 |
| Install An RSJ near Peterlee | £31 | £194 |
| Install An RSJ near Chester-le-Street | £31 | £213 |
| Install An RSJ near Tynemouth | £30 | £219 |
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 - £17,701

Two storey extension - £88,301

Build a timber frame extension - £26,201

Build a swimming pool - £81,201

Single storey extension - £59,016

Side return extension - £43,759

Install an RSJ - £2,401

Outbuilding - £10,201

Build a Mansard loft conversion - £52,201

Loft conversion - £35,633

Build a kitchen extension - £42,201

Hip to gable loft conversion - £42,201

Granny annexe - £87,201

Garden office - £10,201

Convert a Garage - £16,201

Garage - £18,701

Build a flat roof extension - £22,201

Build a dormer loft conversion - £42,201

Concrete foundations - £6,451

Convert a bungalow loft - £29,201

Convert a basement - £39,759