From £17,372
Need to find an Extension Builder near you for all your extension buildering work?
A M F BUILDING SERVICES provides a local, trusted extens...
From £17,148
Need an Extension Builder in CH7? P WALKER JOINERY & BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,428
Trusted and professional extension builder in CH7. Experienced in all extension buildering work and keeping within budget and on quote. K C MASSEY ...
From £17,164
Relax... you have found a reliable extension builder in CH7. K Phillips Building & Maintenance is a friendly and reliable company based in CH7 who ...
From £17,516
Experienced extension builder ready to quote for your work. READ CONSTRUCTION HOLDINGS LTD is the best extension builder in CH7. No obligation free...
From £17,324
P M Harris Roofing and Joinery Services is an established extension buildering business in CH7. We come highly recommended and provide competitive ...
From £17,548
Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in CH7. No obligation free quotes and man...
From £17,556
AJ Solutions is an established extension buildering business in CH7. We come highly recommended and provide competitive quotes for your work.
From £18,084
Relax... you have found a reliable extension builder in CH7. David Williams General Builder & Maintenance is a friendly and reliable company based ...
From £17,396
Relax... you have found a reliable extension builder in CH7. L & J BUILDERS is a friendly and reliable company based in CH7 who consider no job as ...

Underpinning ranges from £17,148 (P WALKER JOINERY & BUILDING based in CH5) to £18,084 (David Williams General Builder & Maintenance based in LL11), 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 CH7 by posting a job with HaMuch and we will send it to extension builders in CH7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Flintshire | £32 | £224 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Connah's Quay | £33 | £229 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Heswall | £30 | £213 |
| Underpin A Building near Ellesmere Port | £31 | £214 |
| Underpin A Building near Bebington | £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 - £17,454

Two storey extension - £87,930

Build a timber frame extension - £25,954

Build a swimming pool - £80,954

Single storey extension - £54,072

Side return extension - £40,978

Install an RSJ - £2,154

Outbuilding - £9,954

Build a Mansard loft conversion - £51,954

Loft conversion - £33,315

Build a kitchen extension - £41,954

Hip to gable loft conversion - £41,954

Granny annexe - £86,954

Garden office - £9,954

Convert a Garage - £15,954

Garage - £18,454

Build a flat roof extension - £21,954

Build a dormer loft conversion - £41,954

Concrete foundations - £6,204

Convert a bungalow loft - £28,954

Convert a basement - £36,978