From £5,192
Trusted and professional extension builder in SR5. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...
From £2,136
Building Craft Ltd is an established extension buildering business in SR5. We come highly recommended and provide competitive quotes for your work....
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
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
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 £2,112
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in SR5. We offer a competitive rate to complete all your extension...
From £2,048
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in SR5. Please contact us for a free, no obligation quo...
From £1,984
Relax... you have found a reliable extension builder in SR5. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in SR5 who cons...
From £1,240
Member since July 2020
I have over 40 years experience in the field of construction. Thank you and I hope I will be of service to you.

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SR5 it ranges from £1,240 (OCC Construction based in NE10) 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 SR5 by posting a job with HaMuch and we will send it to extension builders in SR5.
"RSJ installation" - SUNDERLAND
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near South Tyneside | £34 | £261 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Jarrow | £34 | £261 |
| Install An RSJ near Washington | £33 | £251 |
| Install An RSJ near South Shields | £36 | £257 |
| Install An RSJ near Hebburn | £34 | £244 |
| Install An RSJ near Wallsend | £34 | £242 |
| Install An RSJ near Tynemouth | £36 | £257 |
| Install An RSJ near Seaham | £34 | £229 |
| Install An RSJ near North Tyneside | £35 | £253 |
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 - £17,689

Two storey extension - £88,283

Build a timber frame extension - £26,189

Build a swimming pool - £81,189

Single storey extension - £58,776

Side return extension - £43,624

Install an RSJ - £2,389

Outbuilding - £10,189

Build a Mansard loft conversion - £52,189

Loft conversion - £35,520

Build a kitchen extension - £42,189

Hip to gable loft conversion - £42,189

Granny annexe - £87,189

Garden office - £10,189

Convert a Garage - £16,189

Garage - £18,689

Build a flat roof extension - £22,189

Build a dormer loft conversion - £42,189

Concrete foundations - £6,439

Convert a bungalow loft - £29,189

Convert a basement - £39,624