Andy Tong
Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in CH3. We offer a competitive rate to complete all your exten...
Need an Extension Builder in CH3? MIDDLETON CONSTRUCTION (NW)LTD has been helping local clients (20 mile radius) with their extension buildering jo...
A WALL BUILDING CONTRACTOR are here to help customers who need an Extension Builder in CH3. We offer a competitive rate to complete all your extens...
Experienced extension builder ready to quote for your work. Matthew Hannigan Garage Doors is the best extension builder in CH3. No obligation free ...
Need an Extension Builder in CH3? ABBOTT BUILDING LTD has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £1,800
Zbigniew Grzeszczyk
Need to find an Extension Builder near you for all your extension buildering work?
Zibi Home & Garden Services provides a local, trusted ex...
From £2,088
Urban Construction is a trusted extension builder serving customers in CH3 and the surrounding area. Contact us to today to get a competitive quote...
From £2,104
Klw consultancy is an established and experienced local extension builder in CH3. Please contact us for a free, no obligation quote and competitive...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CH3 it ranges from £1,784 (Matthew Hannigan Garage Doors based in CH2) to £2,232 (Tong Building & Joinery Ltd based in CH3).
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 CH3 by posting a job with HaMuch and we will send it to extension builders in CH3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chester | £32 | £220 |
| Install An RSJ near Vale Royal | £35 | £251 |
| Install An RSJ near Ellesmere Port | £31 | £214 |
| Install An RSJ near Hawarden | £33 | £228 |
| Install An RSJ near Connah's Quay | £33 | £229 |
| Install An RSJ near Wrexham Maelor | £34 | £261 |
| Install An RSJ near Wrexham | £34 | £263 |
| Install An RSJ near Winsford | £31 | £232 |
| Install An RSJ near Runcorn | £33 | £228 |
| Install An RSJ near Flintshire | £33 | £224 |
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 - £17,262

Two storey extension - £87,643

Build a timber frame extension - £25,762

Build a swimming pool - £80,762

Single storey extension - £50,240

Side return extension - £38,823

Install an RSJ - £1,962

Outbuilding - £9,762

Build a Mansard loft conversion - £51,762

Loft conversion - £31,519

Build a kitchen extension - £41,762

Hip to gable loft conversion - £41,762

Granny annexe - £86,762

Garden office - £9,762

Convert a Garage - £15,762

Garage - £18,262

Build a flat roof extension - £21,762

Build a dormer loft conversion - £41,762

Concrete foundations - £6,012

Convert a bungalow loft - £28,762

Convert a basement - £34,823