From £17,356
We specialise in converting unused areas into liveable, useful spaces. Talk to us about your ideas and we can work together to convert your lof...
From £17,108
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in Willerby. No obligation free quotes and ...
From £17,860
Over 25 years experience in the building industry
Any job from a light switch to building a house give me a call
From £17,204
Need to find an Extension Builder near you for all your extension buildering work?
HEPWORTH BUILDING provides a local, trusted extension bu...
From £17,108
RB Building Services is an established extension buildering business in Willerby. We come highly recommended and provide competitive quotes for you...
From £17,556
Patchett's Property Solutions & Management is an established and experienced local extension builder in Willerby. Please contact us for a free, no ...
From £17,188
JAK SITE SERVICES LIMITIED is an established extension buildering business in Willerby. We come highly recommended and provide competitive quotes f...
From £17,572
J LLOYD CONSTRUCTION LTD are here to help customers who need an Extension Builder in Willerby. We offer a competitive rate to complete all your ext...
From £17,116
Need an Extension Builder in Willerby? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £17,052
Marhsall is an established extension buildering business in Willerby. We come highly recommended and provide competitive quotes for your work.
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Underpinning ranges from £17,052 (Marhsall based in HU15) to £17,860 (Ahs joinery and building ltd based in HU13), 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 Willerby by posting a job with HaMuch and we will send it to extension builders in Willerby.
"Underpinning" - HU1, job posted 07/10/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Willerby | £29 | £221 |
| Underpin A Building near Hull | £29 | £223 |
| Underpin A Building near East Riding | £29 | £223 |
| Underpin A Building near Beverley | £29 | £223 |
| Underpin A Building near North Lincolnshire | £28 | £216 |
| Underpin A Building near Scunthorpe | £26 | £207 |
| Underpin A Building near Grimsby | £32 | £246 |
| Underpin A Building near North East Lincolnshire | £32 | £246 |
| Underpin A Building near Goole | £26 | £217 |
| Underpin A Building near Cleethorpes | £32 | £246 |
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 - £17,312

Two storey extension - £87,718

Build a timber frame extension - £25,812

Build a swimming pool - £80,812

Single storey extension - £51,240

Side return extension - £39,385

Install an RSJ - £2,012

Outbuilding - £9,812

Build a Mansard loft conversion - £51,812

Loft conversion - £31,988

Build a kitchen extension - £41,812

Hip to gable loft conversion - £41,812

Granny annexe - £86,812

Garden office - £9,812

Convert a Garage - £15,812

Garage - £18,312

Build a flat roof extension - £21,812

Build a dormer loft conversion - £41,812

Concrete foundations - £6,062

Convert a bungalow loft - £28,812

Convert a basement - £35,385