From £17,108
Relax... you have found a reliable extension builder in WA6. R A C Gas is a friendly and reliable company based in WA6 who consider no job as too b...
From £17,308
Relax... you have found a reliable extension builder in WA6. Webby is a friendly and reliable company based in WA6 who consider no job as too big o...
From £17,284
Building from the Ground up through to fit out, new build, refurb, extension.
From £17,204
Need an Extension Builder in WA6? MIDDLETON CONSTRUCTION (NW)LTD has been helping local clients (20 mile radius) with their extension buildering jo...
From £17,284
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £17,196
Relax... you have found a reliable extension builder in WA6. McCombie Construction Ltd. is a friendly and reliable company based in WA6 who conside...
From £17,084
Experienced extension builder ready to quote for your work. Matthew Hannigan Garage Doors is the best extension builder in WA6. No obligation free ...
From £16,804
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,268
A WALL BUILDING CONTRACTOR are here to help customers who need an Extension Builder in WA6. We offer a competitive rate to complete all your extens...

Underpinning ranges from £16,804 (DAVID HORTON T/A based in CH65) to £17,564 (Bakers Building Maintenance based in WA8), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in WA6 by posting a job with HaMuch and we will send it to extension builders in WA6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Runcorn | £33 | £228 |
| Underpin A Building near Halton | £31 | £220 |
| Underpin A Building near Widnes | £31 | £220 |
| Underpin A Building near Ellesmere Port | £31 | £214 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near Warrington | £31 | £222 |
| Underpin A Building near Winsford | £31 | £232 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
| Underpin A Building near Knowsley | £31 | £222 |
| Underpin A Building near Prescot | £31 | £223 |
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 - £17,210

Two storey extension - £87,566

Build a timber frame extension - £25,710

Build a swimming pool - £80,710

Single storey extension - £49,208

Side return extension - £38,242

Install an RSJ - £1,910

Outbuilding - £9,710

Build a Mansard loft conversion - £51,710

Loft conversion - £31,035

Build a kitchen extension - £41,710

Hip to gable loft conversion - £41,710

Granny annexe - £86,710

Garden office - £9,710

Convert a Garage - £15,710

Garage - £18,210

Build a flat roof extension - £21,710

Build a dormer loft conversion - £41,710

Concrete foundations - £5,960

Convert a bungalow loft - £28,710

Convert a basement - £34,242