From £2,096
Need to find an Extension Builder near you for all your extension buildering work?
J.L Noblet provides a local, trusted extension builderin...
From £1,904
Experienced extension builder ready to quote for your work. DB Joinery & Building Contractors Ltd is the best extension builder in Penwortham. No ...
From £2,104
Our building services company NPD Builders have thirty years’ experience and have been helping customers in Preston and the surrounding area by p...
From £2,032
Need an Extension Builder in Penwortham? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £2,024
Relax... you have found a reliable extension builder in Penwortham. Wilson Design & Build is a friendly and reliable company based in Penwortham wh...
From £1,888
Wilson Design & Build is a full service Construction Company dedicated to building and improving residential and commercial structures according to...
From £1,960
Our building services company J&B Developments are a small family run business who are trustworthy and reliable and have over twelve years of exper...
From £1,816
JS Brickwork are here to help customers who need an Extension Builder in Penwortham. We offer a competitive rate to complete all your extension bui...
From £1,752
Comprehensive Property Services is an established and experienced local extension builder in Penwortham. Please contact us for a free, no obligatio...
From £1,928
Need to find an Extension Builder near you for all your extension buildering work?
Bond Joinery & Building provides a local, trusted extens...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Penwortham it ranges from £1,752 (Comprehensive Property Services based in PR1) to £2,104 (NPD Builders based in PR2).
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 Penwortham by posting a job with HaMuch and we will send it to extension builders in Penwortham.
"RSJ installation" - LEYLAND, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Penwortham | £30 | £218 |
| Install An RSJ near Preston | £30 | £218 |
| Install An RSJ near Fulwood | £31 | £217 |
| Install An RSJ near Bamber Bridge | £30 | £216 |
| Install An RSJ near Leyland | £30 | £223 |
| Install An RSJ near Chorley | £30 | £221 |
| Install An RSJ near Blackburn | £33 | £246 |
| Install An RSJ near Darwen | £34 | £253 |
| Install An RSJ near Lytham St Annes | £28 | £206 |
| Install An RSJ near Blackpool | £29 | £209 |
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 - £17,250

Two storey extension - £87,626

Build a timber frame extension - £25,750

Build a swimming pool - £80,750

Single storey extension - £50,008

Side return extension - £38,692

Install an RSJ - £1,950

Outbuilding - £9,750

Build a Mansard loft conversion - £51,750

Loft conversion - £31,410

Build a kitchen extension - £41,750

Hip to gable loft conversion - £41,750

Granny annexe - £86,750

Garden office - £9,750

Convert a Garage - £15,750

Garage - £18,250

Build a flat roof extension - £21,750

Build a dormer loft conversion - £41,750

Concrete foundations - £6,000

Convert a bungalow loft - £28,750

Convert a basement - £34,692