From £18,084
Wrexham, LL11
Relax... you have found a reliable extension builder in Wrexham. David Williams General Builder & Maintenance is a friendly and reliable company ba...
From £17,548
Wrexham, LL11
Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in Wrexham. No obligation free quotes and...
From £17,516
Wrexham, LL11
Experienced extension builder ready to quote for your work. READ CONSTRUCTION HOLDINGS LTD is the best extension builder in Wrexham. No obligation ...
From £17,516
Wrexham, LL11
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,188
Wrexham, LL11
Oikos Construction Ltd is an established and experienced local extension builder in Wrexham. Please contact us for a free, no obligation quote and ...
From £17,604
Trusted and professional extension builder in Wrexham. Experienced in all extension buildering work and keeping within budget and on quote. Mike Gr...
From £17,572
Wrexham, LL14
DMS Building Services are here to help customers who need an Extension Builder in Wrexham. We offer a competitive rate to complete all your extensi...
From £17,460
CAG CONSTRUCTION LTD is an established and experienced local extension builder in Wrexham. Please contact us for a free, no obligation quote and co...
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 £17,676
Cheshire Oak Structures is an established and experienced local extension builder in Wrexham. Please contact us for a free, no obligation quote and...

Underpinning ranges from £17,188 (Oikos Construction Ltd based in LL11) 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 Wrexham by posting a job with HaMuch and we will send it to extension builders in Wrexham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Flintshire | £32 | £224 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near Connah's Quay | £33 | £229 |
| Underpin A Building near Ellesmere Port | £31 | £214 |
| Underpin A Building near Heswall | £30 | £213 |
| 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 - £17,554

Two storey extension - £88,080

Build a timber frame extension - £26,054

Build a swimming pool - £81,054

Single storey extension - £56,072

Side return extension - £42,103

Install an RSJ - £2,254

Outbuilding - £10,054

Build a Mansard loft conversion - £52,054

Loft conversion - £34,253

Build a kitchen extension - £42,054

Hip to gable loft conversion - £42,054

Granny annexe - £87,054

Garden office - £10,054

Convert a Garage - £16,054

Garage - £18,554

Build a flat roof extension - £22,054

Build a dormer loft conversion - £42,054

Concrete foundations - £6,304

Convert a bungalow loft - £29,054

Convert a basement - £38,103