From £2,280
Guardian Structural Ltd (Wall Removal Specialists) was created with one goal in mind.... To set the standards. We take pride in being highest rated...
From £1,816
Need to find an Extension Builder near you for all your extension buildering work?
BRICKSTONE CONSTRUCTION LTD provides a local, trusted ex...
From £2,176
bespoke designers for your new media centre. At last, we’re bringing our stunning conversion knowledge to entertainment installations across the ...
From £2,160
Mode Projects Ltd is an established and experienced local extension builder in M15. Please contact us for a free, no obligation quote and competiti...
From £2,096
Trusted and professional extension builder in M15. Experienced in all extension buildering work and keeping within budget and on quote. SK Building...
From £2,272
Avon Piping Limited are here to help customers who need an Extension Builder in M15. We offer a competitive rate to complete all your extension bui...
From £2,000
Our building services company Silkrise Construction have ten years’ experience and have been helping customers in Manchester and the surrounding ...
From £1,808
Experienced extension builder ready to quote for your work. MyDestigo is the best extension builder in M15. No obligation free quotes and many happ...
From £1,968
Trusted and professional extension builder in M15. Experienced in all extension buildering work and keeping within budget and on quote. B R M S hav...
From £2,032
Need to find an Extension Builder near you for all your extension buildering work?
Oscar Renn provides a local, trusted extension builderin...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in M15 it ranges from £1,808 (MyDestigo based in M1) to £2,280 (Guardian Structural Ltd (Wall Removal Specialists) based in M3).
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 M15 by posting a job with HaMuch and we will send it to extension builders in M15.
"RSJ installation replacing a badly installed RSJ that supports a wall between the old kitchen and rear lounge. The original builder installed the incorrect weight (not heavy enough) and then proceeded to put a suppirt bar underneath by welding. The weld buckled the beam and this is how its been..." - SK4
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Old Trafford | £27 | £203 |
| Install An RSJ near Manchester | £27 | £204 |
| Install An RSJ near Salford | £28 | £203 |
| Install An RSJ near Stretford | £27 | £203 |
| Install An RSJ near Reddish | £29 | £202 |
| Install An RSJ near Sale | £28 | £203 |
| Install An RSJ near Droylsden | £30 | £203 |
| Install An RSJ near Prestwich | £27 | £204 |
| Install An RSJ near Eccles | £27 | £203 |
| Install An RSJ near Urmston | £27 | £201 |
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 - £17,361

Two storey extension - £87,791

Build a timber frame extension - £25,861

Build a swimming pool - £80,861

Single storey extension - £52,216

Side return extension - £39,934

Install an RSJ - £2,061

Outbuilding - £9,861

Build a Mansard loft conversion - £51,861

Loft conversion - £32,445

Build a kitchen extension - £41,861

Hip to gable loft conversion - £41,861

Granny annexe - £86,861

Garden office - £9,861

Convert a Garage - £15,861

Garage - £18,361

Build a flat roof extension - £21,861

Build a dormer loft conversion - £41,861

Concrete foundations - £6,111

Convert a bungalow loft - £28,861

Convert a basement - £35,934