From £2,144
Experienced extension builder ready to quote for your work. NIGEL WILLIAMS BUILDING LTD is the best extension builder in CH64. No obligation free q...
From £1,824
Glassar Projects is an established and experienced local extension builder in CH64. Please contact us for a free, no obligation quote and competiti...
From £2,128
Trusted and professional extension builder in CH64. Experienced in all extension buildering work and keeping within budget and on quote. K C MASSEY...
From £1,936
Brilliant Homes is an established and experienced local extension builder in CH64. Please contact us for a free, no obligation quote and competitiv...
From £2,152
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,592
SJBuild Ltd is an established and experienced local extension builder in CH64. Please contact us for a free, no obligation quote and competitive ra...
From £1,848
Need an Extension Builder in CH64? P WALKER JOINERY & BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs...
From £1,864
Relax... you have found a reliable extension builder in CH64. K Phillips Building & Maintenance is a friendly and reliable company based in CH64 wh...
From £2,080
Danny Anderson Builder is an established extension buildering business in CH64. We come highly recommended and provide competitive quotes for your ...
From £1,728
Relax... you have found a reliable extension builder in CH64. Eco Construction Systems Ltd is a friendly and reliable company based in CH64 who con...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CH64 it ranges from £1,592 (SJBuild Ltd based in CH63) to £2,152 (R J Property Maintenance & Repair 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 CH64 by posting a job with HaMuch and we will send it to extension builders in CH64.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Heswall | £30 | £213 |
| Install An RSJ near Bebington | £31 | £222 |
| Install An RSJ near Connah's Quay | £33 | £229 |
| Install An RSJ near Wirral | £31 | £219 |
| Install An RSJ near Ellesmere Port | £31 | £214 |
| Install An RSJ near Hawarden | £33 | £228 |
| Install An RSJ near Birkenhead | £31 | £219 |
| Install An RSJ near Liverpool | £31 | £222 |
| Install An RSJ near Wallasey | £33 | £224 |
| Install An RSJ near Chester | £32 | £220 |
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 - £17,230

Two storey extension - £87,594

Build a timber frame extension - £25,730

Build a swimming pool - £80,730

Single storey extension - £49,592

Side return extension - £38,458

Install an RSJ - £1,930

Outbuilding - £9,730

Build a Mansard loft conversion - £51,730

Loft conversion - £31,215

Build a kitchen extension - £41,730

Hip to gable loft conversion - £41,730

Granny annexe - £86,730

Garden office - £9,730

Convert a Garage - £15,730

Garage - £18,230

Build a flat roof extension - £21,730

Build a dormer loft conversion - £41,730

Concrete foundations - £5,980

Convert a bungalow loft - £28,730

Convert a basement - £34,458