From £16,812
All building work , all hoyse maintenance. House extension and refurbishment works.
From £16,868
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £16,556
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
From £17,156
At Wells & Co we offer a comprehensive building service. We specialise in Period properties, bespoke renovations and steel fabrication.Along with o...
From £17,324
Christian Builders Margate Ltd is a multi-service company founded by Nick Christian. We operate with a highly skilled team of designers, tradesmen,...
From £17,052
Small family building business reliable friendly service and very high quality of works
From £17,132
GDB CONSTRUCTION is a trusted extension builder serving customers in Westgate-on-sea and the surrounding area. Contact us to today to get a competi...
From £17,596
Need to find an Extension Builder near you for all your extension buildering work?
Fast Affordable Builders provides a local, trusted exten...
From £16,940
We been for almost 15 years in the building trade,
we are easy going and willing to work with our client and to archive the best r...
From £17,244
Need to find an Extension Builder near you for all your extension buildering work?
Bespoke building projects provides a local, trusted exte...

Underpinning ranges from £16,556 (S MEGSON CONSTRUCTION based in CT5) to £17,596 (Fast Affordable Builders based in CT4), 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 Westgate-on-sea by posting a job with HaMuch and we will send it to extension builders in Westgate-on-sea.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Thanet | £27 | £207 |
| Underpin A Building near Broadstairs | £27 | £208 |
| Underpin A Building near Margate | £27 | £208 |
| Underpin A Building near Ramsgate | £27 | £208 |
| Underpin A Building near Herne Bay | £28 | £213 |
| Underpin A Building near Deal | £26 | £199 |
| Underpin A Building near Canterbury | £31 | £232 |
| Underpin A Building near Whitstable | £28 | £214 |
| Underpin A Building near Dover | £29 | £226 |
| Underpin A Building near Faversham | £34 | £235 |
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 - £17,068

Two storey extension - £87,352

Build a timber frame extension - £25,568

Build a swimming pool - £80,568

Single storey extension - £46,360

Side return extension - £36,640

Install an RSJ - £1,768

Outbuilding - £9,568

Build a Mansard loft conversion - £51,568

Loft conversion - £29,700

Build a kitchen extension - £41,568

Hip to gable loft conversion - £41,568

Granny annexe - £86,568

Garden office - £9,568

Convert a Garage - £15,568

Garage - £18,068

Build a flat roof extension - £21,568

Build a dormer loft conversion - £41,568

Concrete foundations - £5,818

Convert a bungalow loft - £28,568

Convert a basement - £32,640