We send your job to ALL Northern Quarter extension builders
Available extension builders in Northern Quarter reply
Select your affordable Northern Quarter extension builder
David Mather
Small brickwork jobs welcome.garden wall's and pointing as well.any type of walls built.
Experienced extension builder ready to quote for your work. DJ Brooks Construction is the best extension builder in Northern Quarter. No obligation...
Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ethos Property Developments Limited is an established extension buildering business in Northern Quarter. We come highly recommended and provide com...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Shehele
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Northern Quarter? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for...
Trusted and professional extension builder in Northern Quarter. Experienced in all extension buildering work and keeping within budget and on quote...
Trusted and professional extension builder in Northern Quarter. Experienced in all extension buildering work and keeping within budget and on quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Northern Quarter it ranges from £1,160 (Aquatec Builder based in OL10) to £4,600 (DJ Brooks Construction based in WA14).
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 Northern Quarter by posting a job with HaMuch and we will send it to extension builders in Northern Quarter.
"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, job posted 01/01/70
"Install an RSJ" - M27, job posted 09/02/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Manchester | £32 | £236 |
| Install An RSJ near Old Trafford | £32 | £236 |
| Install An RSJ near Salford | £32 | £237 |
| Install An RSJ near Droylsden | £34 | £237 |
| Install An RSJ near Failsworth | £35 | £236 |
| Install An RSJ near Prestwich | £31 | £233 |
| Install An RSJ near Stretford | £32 | £239 |
| Install An RSJ near Reddish | £34 | £235 |
| Install An RSJ near Middleton | £31 | £227 |
| Install An RSJ near Swinton | £32 | £234 |
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 - £17,355

Two storey extension - £87,783

Build a timber frame extension - £25,855

Build a swimming pool - £80,855

Single storey extension - £52,104

Side return extension - £39,871

Install an RSJ - £2,055

Outbuilding - £9,855

Build a Mansard loft conversion - £51,855

Loft conversion - £32,393

Build a kitchen extension - £41,855

Hip to gable loft conversion - £41,855

Granny annexe - £86,855

Garden office - £9,855

Convert a Garage - £15,855

Garage - £18,355

Build a flat roof extension - £21,855

Build a dormer loft conversion - £41,855

Concrete foundations - £6,105

Convert a bungalow loft - £28,855

Convert a basement - £35,871