From £17,588
Relax... you have found a reliable extension builder in Oswestry. OPH Joinery is a friendly and reliable company based in Oswestry who consider no ...
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 £17,084
Trusted and professional extension builder in Oswestry. Experienced in all extension buildering work and keeping within budget and on quote. Richar...
From £17,548
Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in Oswestry. No obligation free quotes an...
From £18,084
Relax... you have found a reliable extension builder in Oswestry. David Williams General Builder & Maintenance is a friendly and reliable company b...
From £17,572
DMS Building Services are here to help customers who need an Extension Builder in Oswestry. We offer a competitive rate to complete all your extens...
From £17,356
Trusted and professional extension builder in Oswestry. Experienced in all extension buildering work and keeping within budget and on quote. J S CO...
From £17,340
Relax... you have found a reliable extension builder in Oswestry. Your Home Made Ltd is a friendly and reliable company based in Oswestry who consi...
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 £17,516
Experienced extension builder ready to quote for your work. READ CONSTRUCTION HOLDINGS LTD is the best extension builder in Oswestry. No obligation...

Underpinning ranges from £17,084 (Richard Sherratt Builders Ltd based in SY5) 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 Oswestry by posting a job with HaMuch and we will send it to extension builders in Oswestry.
| 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 Shrewsbury | £32 | £249 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Flintshire | £33 | £224 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near The Wrekin | £30 | £236 |
| Underpin A Building near Connah's Quay | £33 | £229 |
| Underpin A Building near Telford | £30 | £241 |
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 - £17,503

Two storey extension - £88,005

Build a timber frame extension - £26,003

Build a swimming pool - £81,003

Single storey extension - £55,064

Side return extension - £41,536

Install an RSJ - £2,203

Outbuilding - £10,003

Build a Mansard loft conversion - £52,003

Loft conversion - £33,780

Build a kitchen extension - £42,003

Hip to gable loft conversion - £42,003

Granny annexe - £87,003

Garden office - £10,003

Convert a Garage - £16,003

Garage - £18,503

Build a flat roof extension - £22,003

Build a dormer loft conversion - £42,003

Concrete foundations - £6,253

Convert a bungalow loft - £29,003

Convert a basement - £37,536