From £2,016
Construction Covered is a trusted extension builder serving customers in M38 and the surrounding area. Contact us to today to get a competitive quo...
From £2,176
Our building services company Casa Building Solutions Ltd was established in 2008. Since then we have been helping customers in Manchester and the ...
From £1,976
Relax... you have found a reliable extension builder in M38. David Anderson Builders is a friendly and reliable company based in M38 who consider n...
From £2,064
We make immersive virtual experiences that transport people to real-life architecture projects in order to imagine the future.Architecture is portr...
From £1,888
Trusted and professional extension builder in M38. Experienced in all extension buildering work and keeping within budget and on quote. Contact Con...
From £1,672
A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in M38. We come highly recommended and provide competitive quotes for y...
From £1,792
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,904
BRENCOLL BUILDING is an established extension buildering business in M38. We come highly recommended and provide competitive quotes for your work.<...
From £1,984
Need an Extension Builder in M38? Boothwells Building Services has been helping local clients (20 mile radius) with their extension buildering jobs...
From £2,000
Need to find an Extension Builder near you for all your extension buildering work?
AD TAYLOR JOINER & BUILDER provides a local, trusted ext...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in M38 it ranges from £1,672 (A AND S SCHOFIELD BLDRS LTD based in BL3) to £2,176 (Casa Building Solutions Ltd based in M28).
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 M38 by posting a job with HaMuch and we will send it to extension builders in M38.
"RSJ installation" - BOLTON, 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 Little Hulton | £30 | £220 |
| Install An RSJ near Farnworth | £30 | £219 |
| Install An RSJ near Atherton | £31 | £223 |
| Install An RSJ near Bolton | £31 | £219 |
| Install An RSJ near Swinton | £32 | £235 |
| Install An RSJ near Westhoughton | £31 | £222 |
| Install An RSJ near Radcliffe | £30 | £220 |
| Install An RSJ near Eccles | £32 | £237 |
| Install An RSJ near Leigh | £31 | £224 |
| Install An RSJ near Whitefield | £31 | £229 |
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 - £17,247

Two storey extension - £87,621

Build a timber frame extension - £25,747

Build a swimming pool - £80,747

Single storey extension - £49,944

Side return extension - £38,656

Install an RSJ - £1,947

Outbuilding - £9,747

Build a Mansard loft conversion - £51,747

Loft conversion - £31,380

Build a kitchen extension - £41,747

Hip to gable loft conversion - £41,747

Granny annexe - £86,747

Garden office - £9,747

Convert a Garage - £15,747

Garage - £18,247

Build a flat roof extension - £21,747

Build a dormer loft conversion - £41,747

Concrete foundations - £5,997

Convert a bungalow loft - £28,747

Convert a basement - £34,656