SMH Build & Renovate is an established extension buildering business in Swinton. We come highly recommended and provide competitive quotes for your...
Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Amak Construction is an established and experienced local extension builder in Swinton. Please contact us for a free, no obligation quote and compe...
Need an Extension Builder in Swinton? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in Swinton. No obligation fre...
Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Relax... you have found a reliable extension builder in Swinton. David Anderson Builders is a friendly and reliable company based in Swinton who co...
Jonathan
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
Need to find an Extension Builder near you for all your extension buildering work?
J & C Barker (Builders) Limited provides a local, truste...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Swinton it ranges from £1,160 (Aquatec Builder based in OL10) to £2,160 (ESBP Specialists Ltd based in M26).
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 Swinton by posting a job with HaMuch and we will send it to extension builders in Swinton.
"Install an RSJ" - M27, job posted 09/02/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Swinton | £32 | £234 |
| Install An RSJ near Eccles | £32 | £236 |
| Install An RSJ near Salford | £32 | £237 |
| Install An RSJ near Prestwich | £31 | £233 |
| Install An RSJ near Whitefield | £31 | £229 |
| Install An RSJ near Radcliffe | £30 | £220 |
| Install An RSJ near Farnworth | £30 | £219 |
| Install An RSJ near Little Hulton | £30 | £220 |
| Install An RSJ near Urmston | £32 | £231 |
| Install An RSJ near Manchester | £32 | £236 |
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 - £17,216

Two storey extension - £87,574

Build a timber frame extension - £25,716

Build a swimming pool - £80,716

Single storey extension - £49,320

Side return extension - £38,305

Install an RSJ - £1,916

Outbuilding - £9,716

Build a Mansard loft conversion - £51,716

Loft conversion - £31,088

Build a kitchen extension - £41,716

Hip to gable loft conversion - £41,716

Granny annexe - £86,716

Garden office - £9,716

Convert a Garage - £15,716

Garage - £18,216

Build a flat roof extension - £21,716

Build a dormer loft conversion - £41,716

Concrete foundations - £5,966

Convert a bungalow loft - £28,716

Convert a basement - £34,305