From £17,516
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,084
Relax... you have found a reliable extension builder in LL13. David Williams General Builder & Maintenance is a friendly and reliable company based...
From £17,548
Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in LL13. No obligation free quotes and ma...
From £17,572
DMS Building Services are here to help customers who need an Extension Builder in LL13. We offer a competitive rate to complete all your extension ...
From £17,516
Experienced extension builder ready to quote for your work. READ CONSTRUCTION HOLDINGS LTD is the best extension builder in LL13. No obligation fre...
From £17,676
Cheshire Oak Structures is an established and experienced local extension builder in LL13. Please contact us for a free, no obligation quote and co...
From £17,428
Need to find an Extension Builder near you for all your extension buildering work?
Fistral ltd provides a local, trusted extension builderi...
From £17,404
Klw consultancy is an established and experienced local extension builder in LL13. Please contact us for a free, no obligation quote and competitiv...
From £17,556
AJ Solutions is an established extension buildering business in LL13. We come highly recommended and provide competitive quotes for your work.
...From £17,468
Our customers ask us to incorporate our values, knowledge and experience into their home. Transforming their kitchens, bathrooms, living areas and ...

Underpinning ranges from £17,404 (Klw consultancy based in Ch4) 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 LL13 by posting a job with HaMuch and we will send it to extension builders in LL13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near Flintshire | £33 | £224 |
| 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 Winsford | £31 | £232 |
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 - £17,577

Two storey extension - £88,115

Build a timber frame extension - £26,077

Build a swimming pool - £81,077

Single storey extension - £56,536

Side return extension - £42,364

Install an RSJ - £2,277

Outbuilding - £10,077

Build a Mansard loft conversion - £52,077

Loft conversion - £34,470

Build a kitchen extension - £42,077

Hip to gable loft conversion - £42,077

Granny annexe - £87,077

Garden office - £10,077

Convert a Garage - £16,077

Garage - £18,577

Build a flat roof extension - £22,077

Build a dormer loft conversion - £42,077

Concrete foundations - £6,327

Convert a bungalow loft - £29,077

Convert a basement - £38,364