Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Trusted and professional extension builder in Atherton. Experienced in all extension buildering work and keeping within budget and on quote. JCR Co...
Stephen Lowe
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Atherton. Jc Properties is a friendly and reliable company based in Atherton who consider n...
Relax... you have found a reliable extension builder in Atherton. David Anderson Builders is a friendly and reliable company based in Atherton who ...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Jonathan
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
Wallplas is an established extension buildering business in Atherton. We come highly recommended and provide competitive quotes for your work.
...WWS Garage Doors & Shutters is a trusted extension builder serving customers in Atherton and the surrounding area. Contact us to today to get a com...
Fishers Building & Paving Ltd is an established extension buildering business in Atherton. We come highly recommended and provide competitive quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Atherton it ranges from £1,800 (SPL Building Services based in WN3) to £2,184 (JCR Construction based in WN6).
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 Atherton by posting a job with HaMuch and we will send it to extension builders in Atherton.
"RSJ installation" - BOLTON, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Atherton | £31 | £223 |
| Install An RSJ near Westhoughton | £31 | £222 |
| Install An RSJ near Leigh | £31 | £224 |
| Install An RSJ near Little Hulton | £31 | £220 |
| Install An RSJ near Hindley | £30 | £219 |
| Install An RSJ near Farnworth | £30 | £219 |
| Install An RSJ near Bolton | £31 | £219 |
| Install An RSJ near Horwich | £30 | £219 |
| Install An RSJ near Golborne | £30 | £222 |
| Install An RSJ near Wigan | £30 | £220 |
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 - £17,280

Two storey extension - £87,670

Build a timber frame extension - £25,780

Build a swimming pool - £80,780

Single storey extension - £50,600

Side return extension - £39,025

Install an RSJ - £1,980

Outbuilding - £9,780

Build a Mansard loft conversion - £51,780

Loft conversion - £31,688

Build a kitchen extension - £41,780

Hip to gable loft conversion - £41,780

Granny annexe - £86,780

Garden office - £9,780

Convert a Garage - £15,780

Garage - £18,280

Build a flat roof extension - £21,780

Build a dormer loft conversion - £41,780

Concrete foundations - £6,030

Convert a bungalow loft - £28,780

Convert a basement - £35,025