From £2,200
SBA Facilities is a family run business founded by Director, Josef who has over 25 years of experience with the corporate, commercial, and domestic...
From £2,232
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £2,248
HAROLDS CORP is a trusted extension builder serving customers in Leigh and the surrounding area. Contact us to today to get a competitive quote for...
From £1,656
APS pointing and property maintenance offers a complete building service from small patch pointing to full refurb or extensions. Competitiv...
From £2,000
Need to find an Extension Builder near you for all your extension buildering work?
J R Building Services provides a local, trusted extensio...
From £1,976
Relax... you have found a reliable extension builder in Leigh. David Anderson Builders is a friendly and reliable company based in Leigh who consid...
From £1,920
Direct Building Services is an established and experienced local extension builder in Leigh. Please contact us for a free, no obligation quote and ...
From £2,016
Construction Covered is a trusted extension builder serving customers in Leigh and the surrounding area. Contact us to today to get a competitive q...
From £2,064
Need to find an Extension Builder near you for all your extension buildering work?
Maintenance Point provides a local, trusted extension bu...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Leigh it ranges from £1,656 (Aps pointing and property maintenance based in WN2) to £2,248 (HAROLDS CORP based in WN2).
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 Leigh by posting a job with HaMuch and we will send it to extension builders in Leigh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Leigh | £31 | £224 |
| Install An RSJ near Atherton | £31 | £223 |
| Install An RSJ near Westhoughton | £31 | £222 |
| Install An RSJ near Golborne | £30 | £222 |
| Install An RSJ near Hindley | £30 | £218 |
| Install An RSJ near Little Hulton | £30 | £220 |
| Install An RSJ near Ashton-in-Makerfield | £30 | £220 |
| Install An RSJ near Irlam | £32 | £225 |
| Install An RSJ near Newton-le-Willows | £31 | £221 |
| Install An RSJ near Wigan | £30 | £219 |
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 - £17,310

Two storey extension - £87,716

Build a timber frame extension - £25,810

Build a swimming pool - £80,810

Single storey extension - £51,208

Side return extension - £39,367

Install an RSJ - £2,010

Outbuilding - £9,810

Build a Mansard loft conversion - £51,810

Loft conversion - £31,973

Build a kitchen extension - £41,810

Hip to gable loft conversion - £41,810

Granny annexe - £86,810

Garden office - £9,810

Convert a Garage - £15,810

Garage - £18,310

Build a flat roof extension - £21,810

Build a dormer loft conversion - £41,810

Concrete foundations - £6,060

Convert a bungalow loft - £28,810

Convert a basement - £35,367