Relax... you have found a reliable extension builder in M28. David Anderson Builders is a friendly and reliable company based in M28 who consider n...
Here at RC Building Services Ltd we pride ourselves on providing reliable, excellent quality and competitively priced building services. Our priori...
BRENCOLL BUILDING is an established extension buildering business in M28. We come highly recommended and provide competitive quotes for your work.<...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
AD TAYLOR JOINER & BUILDER provides a local, trusted ext...
Simon Schofield
A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in M28. We come highly recommended and provide competitive quotes for y...
Trusted and professional extension builder in M28. Experienced in all extension buildering work and keeping within budget and on quote. Contact Con...
Cjl Brickwork are here to help customers who need an Extension Builder in M28. We offer a competitive rate to complete all your extension builderin...
Relax... you have found a reliable extension builder in M28. Rdm Joinery & Building Specialists is a friendly and reliable company based in M28 who...
From £1,896
Advance Projects Ltd is a trusted extension builder serving customers in M28 and the surrounding area. Contact us to today to get a competitive quo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in M28 it ranges from £1,672 (A AND S SCHOFIELD BLDRS LTD based in BL3) to £2,000 (AD TAYLOR JOINER & BUILDER based in M30).
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 M28 by posting a job with HaMuch and we will send it to extension builders in M28.
"Install an RSJ" - M27, job posted 09/02/26
"RSJ installation" - BOLTON, job posted 01/01/70
| 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 Swinton | £32 | £234 |
| Install An RSJ near Eccles | £32 | £236 |
| Install An RSJ near Atherton | £31 | £223 |
| Install An RSJ near Radcliffe | £30 | £220 |
| Install An RSJ near Bolton | £31 | £219 |
| Install An RSJ near Urmston | £32 | £231 |
| Install An RSJ near Salford | £32 | £237 |
| 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 - £17,182

Two storey extension - £87,522

Build a timber frame extension - £25,682

Build a swimming pool - £80,682

Single storey extension - £48,632

Side return extension - £37,918

Install an RSJ - £1,882

Outbuilding - £9,682

Build a Mansard loft conversion - £51,682

Loft conversion - £30,765

Build a kitchen extension - £41,682

Hip to gable loft conversion - £41,682

Granny annexe - £86,682

Garden office - £9,682

Convert a Garage - £15,682

Garage - £18,182

Build a flat roof extension - £21,682

Build a dormer loft conversion - £41,682

Concrete foundations - £5,932

Convert a bungalow loft - £28,682

Convert a basement - £33,918