From £1,592
Prestige Property Conversions Ltd is an established extension buildering business in PR8. We come highly recommended and provide competitive quotes...
From £2,200
Looking for an Extension Builder near PR8 for all your extension buildering jobs?
Evergreen Developments Nw Ltd provi...
From £1,840
Need an Extension Builder in PR8? M D Joinery (Southport) Ltd has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £2,112
Relax... you have found a reliable extension builder in PR8. OLIA CONSTRUCTION LTD is a friendly and reliable company based in PR8 who consider no ...
From £2,200
Urban Select Construction is a trusted extension builder serving customers in PR8 and the surrounding area. Contact us to today to get a competitiv...
From £1,960
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £1,736
Need an Extension Builder in PR8? Tathams Joinery has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £2,016
Need to find an Extension Builder near you for all your extension buildering work?
Lytham Driveways & Patios provides a local, trusted exte...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PR8 it ranges from £1,472 (A.K.S based in L40) to £2,200 (Evergreen Developments Nw Ltd based in PR8).
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 PR8 by posting a job with HaMuch and we will send it to extension builders in PR8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Southport | £27 | £198 |
| Install An RSJ near Formby | £23 | £162 |
| Install An RSJ near Ormskirk | £29 | £206 |
| Install An RSJ near West Lancashire | £28 | £203 |
| Install An RSJ near Maghull | £33 | £219 |
| Install An RSJ near Sefton | £34 | £221 |
| Install An RSJ near Lytham St Annes | £28 | £206 |
| Install An RSJ near Crosby | £34 | £223 |
| Install An RSJ near Skelmersdale | £29 | £211 |
| Install An RSJ near Kirkby | £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 - £17,163

Two storey extension - £87,495

Build a timber frame extension - £25,663

Build a swimming pool - £80,663

Single storey extension - £48,264

Side return extension - £37,711

Install an RSJ - £1,863

Outbuilding - £9,663

Build a Mansard loft conversion - £51,663

Loft conversion - £30,593

Build a kitchen extension - £41,663

Hip to gable loft conversion - £41,663

Granny annexe - £86,663

Garden office - £9,663

Convert a Garage - £15,663

Garage - £18,163

Build a flat roof extension - £21,663

Build a dormer loft conversion - £41,663

Concrete foundations - £5,913

Convert a bungalow loft - £28,663

Convert a basement - £33,711