From £17,260
Attention to detail. Member of safe trader. Recommendations References available.
From £17,420
We are a family business for 37 years experience between us reliable Team value for money check out our reviews on Google Rated People bar...
From £17,100
Lancaster Building Contractors is an established and experienced local extension builder in LA4. Please contact us for a free, no obligation quote ...
From £17,396
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,236
J.DRING BUILDING are here to help customers who need an Extension Builder in LA4. We offer a competitive rate to complete all your extension builde...
From £17,220
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,060
Building Supplies Direct t/a is an established and experienced local extension builder in LA4. Please contact us for a free, no obligation quote an...
From £18,348
We are specialists in all brick blockwork and stonework whatever your job be it a complete new build with all trades in house or a garden wall we c...
From £17,356
S.G. Joinery & Building is a well-established company setup over 15 years ago and working in the Poulton-le-Fylde , Preston ,Garstang and ...
From £17,980
MIKE CROWE BUILDING & CONSTRUC is an established and experienced local extension builder in LA4. Please contact us for a free, no obligation quote ...

Underpinning ranges from £17,060 (Building Supplies Direct t/a based in LA2) to £18,348 (Edenhall brickwork Ltd based in PR3), 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 LA4 by posting a job with HaMuch and we will send it to extension builders in LA4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Morecambe | £25 | £212 |
| Underpin A Building near Lancaster | £25 | £211 |
| Underpin A Building near Fleetwood | £28 | £206 |
| Underpin A Building near Barrow-in-Furness | £25 | £204 |
| Underpin A Building near Kendal | £28 | £236 |
| Underpin A Building near Blackpool | £29 | £209 |
| Underpin A Building near Fulwood | £31 | £217 |
| Underpin A Building near Preston | £30 | £219 |
| Underpin A Building near Penwortham | £30 | £218 |
| Underpin A Building near Lytham St Annes | £28 | £206 |
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 - £17,438

Two storey extension - £87,906

Build a timber frame extension - £25,938

Build a swimming pool - £80,938

Single storey extension - £53,752

Side return extension - £40,798

Install an RSJ - £2,138

Outbuilding - £9,938

Build a Mansard loft conversion - £51,938

Loft conversion - £33,165

Build a kitchen extension - £41,938

Hip to gable loft conversion - £41,938

Granny annexe - £86,938

Garden office - £9,938

Convert a Garage - £15,938

Garage - £18,438

Build a flat roof extension - £21,938

Build a dormer loft conversion - £41,938

Concrete foundations - £6,188

Convert a bungalow loft - £28,938

Convert a basement - £36,798