From £2,160
Mode Projects Ltd is an established and experienced local extension builder in M2. Please contact us for a free, no obligation quote and competitiv...
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 £2,096
Trusted and professional extension builder in M2. Experienced in all extension buildering work and keeping within budget and on quote. SK Building ...
From £1,808
Experienced extension builder ready to quote for your work. MyDestigo is the best extension builder in M2. No obligation free quotes and many happy...
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 £2,000
Our building services company Silkrise Construction have ten years’ experience and have been helping customers in Manchester and the surrounding ...
From £2,144
Pillo rooms is a trusted extension builder serving customers in M2 and the surrounding area. Contact us to today to get a competitive quote for ext...
From £2,272
Avon Piping Limited are here to help customers who need an Extension Builder in M2. We offer a competitive rate to complete all your extension buil...
From £2,184
A wholesale shopping is an individual with a huge number of followers related to fashion and has the ability to influence the thought and purchase ...
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...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in M2 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 M2 by posting a job with HaMuch and we will send it to extension builders in M2.
"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 Manchester | £27 | £204 |
| Install An RSJ near Old Trafford | £27 | £203 |
| Install An RSJ near Salford | £28 | £203 |
| Install An RSJ near Stretford | £27 | £203 |
| Install An RSJ near Prestwich | £27 | £204 |
| Install An RSJ near Droylsden | £30 | £203 |
| Install An RSJ near Failsworth | £30 | £202 |
| Install An RSJ near Swinton | £27 | £202 |
| Install An RSJ near Reddish | £29 | £202 |
| Install An RSJ near Eccles | £27 | £203 |
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 - £17,394

Two storey extension - £87,840

Build a timber frame extension - £25,894

Build a swimming pool - £80,894

Single storey extension - £52,872

Side return extension - £40,303

Install an RSJ - £2,094

Outbuilding - £9,894

Build a Mansard loft conversion - £51,894

Loft conversion - £32,753

Build a kitchen extension - £41,894

Hip to gable loft conversion - £41,894

Granny annexe - £86,894

Garden office - £9,894

Convert a Garage - £15,894

Garage - £18,394

Build a flat roof extension - £21,894

Build a dormer loft conversion - £41,894

Concrete foundations - £6,144

Convert a bungalow loft - £28,894

Convert a basement - £36,303