From £1,504
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,880
Oliver-Ricci is an established and experienced local extension builder in CH65. Please contact us for a free, no obligation quote and competitive r...
From £1,784
Experienced extension builder ready to quote for your work. Matthew Hannigan Garage Doors is the best extension builder in CH65. No obligation free...
From £1,968
A WALL BUILDING CONTRACTOR are here to help customers who need an Extension Builder in CH65. We offer a competitive rate to complete all your exten...
From £1,936
Brilliant Homes is an established and experienced local extension builder in CH65. Please contact us for a free, no obligation quote and competitiv...
From £2,144
Experienced extension builder ready to quote for your work. NIGEL WILLIAMS BUILDING LTD is the best extension builder in CH65. No obligation free q...
From £1,904
Need an Extension Builder in CH65? MIDDLETON CONSTRUCTION (NW)LTD has been helping local clients (20 mile radius) with their extension buildering j...
From £1,896
G P Roofing & Building Service is a trusted extension builder serving customers in CH65 and the surrounding area. Contact us to today to get a comp...
From £1,800
Need to find an Extension Builder near you for all your extension buildering work?
Zibi Home & Garden Services provides a local, trusted ex...
From £2,024
P M Harris Roofing and Joinery Services is an established extension buildering business in CH65. We come highly recommended and provide competitive...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CH65 it ranges from £1,504 (DAVID HORTON T/A based in CH65) to £2,144 (NIGEL WILLIAMS BUILDING LTD based in CH63).
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 CH65 by posting a job with HaMuch and we will send it to extension builders in CH65.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ellesmere Port | £28 | £193 |
| Install An RSJ near Chester | £28 | £193 |
| Install An RSJ near Bebington | £27 | £190 |
| Install An RSJ near Connah's Quay | £28 | £195 |
| Install An RSJ near Hawarden | £28 | £196 |
| Install An RSJ near Heswall | £27 | £187 |
| Install An RSJ near Runcorn | £28 | £198 |
| Install An RSJ near Halton | £27 | £193 |
| Install An RSJ near Widnes | £27 | £193 |
| Install An RSJ near Birkenhead | £28 | £200 |
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 - £17,184

Two storey extension - £87,526

Build a timber frame extension - £25,684

Build a swimming pool - £80,684

Single storey extension - £48,680

Side return extension - £37,945

Install an RSJ - £1,884

Outbuilding - £9,684

Build a Mansard loft conversion - £51,684

Loft conversion - £30,788

Build a kitchen extension - £41,684

Hip to gable loft conversion - £41,684

Granny annexe - £86,684

Garden office - £9,684

Convert a Garage - £15,684

Garage - £18,184

Build a flat roof extension - £21,684

Build a dormer loft conversion - £41,684

Concrete foundations - £5,934

Convert a bungalow loft - £28,684

Convert a basement - £33,945