From £1,776
Tekton Construction NW is an established extension buildering business in PR6. We come highly recommended and provide competitive quotes for your w...
From £1,912
Smedley Construction Ltd is a trusted extension builder serving customers in PR6 and the surrounding area. Contact us to today to get a competitive...
From £2,048
Relax... you have found a reliable extension builder in PR6. Green Generation Builders Ltd is a friendly and reliable company based in PR6 who cons...
From £1,672
Trusted and professional extension builder in PR6. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £1,160
Member since November 2019
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,856
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
From £1,976
Relax... you have found a reliable extension builder in PR6. David Anderson Builders is a friendly and reliable company based in PR6 who consider n...
From £1,992
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
From £2,160
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
From £1,808
Need an Extension Builder in PR6? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years. ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PR6 it ranges from £1,160 (Aquatec Builder based in OL10) to £2,160 (ESBP Specialists Ltd based in M26).
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 PR6 by posting a job with HaMuch and we will send it to extension builders in PR6.
"RSJ installation" - LEYLAND, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chorley | £30 | £221 |
| Install An RSJ near Leyland | £30 | £223 |
| Install An RSJ near Bamber Bridge | £30 | £216 |
| Install An RSJ near Horwich | £30 | £219 |
| Install An RSJ near Darwen | £34 | £253 |
| Install An RSJ near Blackburn | £33 | £246 |
| Install An RSJ near Preston | £30 | £218 |
| Install An RSJ near Penwortham | £30 | £218 |
| Install An RSJ near Wigan | £30 | £220 |
| Install An RSJ near Westhoughton | £31 | £222 |
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 - £17,136

Two storey extension - £87,454

Build a timber frame extension - £25,636

Build a swimming pool - £80,636

Single storey extension - £47,720

Side return extension - £37,405

Install an RSJ - £1,836

Outbuilding - £9,636

Build a Mansard loft conversion - £51,636

Loft conversion - £30,338

Build a kitchen extension - £41,636

Hip to gable loft conversion - £41,636

Granny annexe - £86,636

Garden office - £9,636

Convert a Garage - £15,636

Garage - £18,136

Build a flat roof extension - £21,636

Build a dormer loft conversion - £41,636

Concrete foundations - £5,886

Convert a bungalow loft - £28,636

Convert a basement - £33,405