Tekton Construction NW is an established extension buildering business in Fleetwood. We come highly recommended and provide competitive quotes for ...
Smedley Construction Ltd is a trusted extension builder serving customers in Fleetwood and the surrounding area. Contact us to today to get a compe...
Need to find an Extension Builder near you for all your extension buildering work?
Poulton Building & Joinery Services provides a local, tr...
Relax... you have found a reliable extension builder in Fleetwood. Green Generation Builders Ltd is a friendly and reliable company based in Fleetw...
COASTAL CONSTRUCTION LTD is an established and experienced local extension builder in Fleetwood. Please contact us for a free, no obligation quote ...
J D Holland Building Services is a trusted extension builder serving customers in Fleetwood and the surrounding area. Contact us to today to get a ...
JSM BUILDING SOLUTIONS LIMITED is a trusted extension builder serving customers in Fleetwood and the surrounding area. Contact us to today to get a...
From £17,324
Keith Williams
We do it all from plan to completion
25 yrs and no complaints ..
modern and contemporary
kitchen bathrooms
From £17,148
Interbuild is an established extension buildering business in Fleetwood. We come highly recommended and provide competitive quotes for your work.
From £17,284
Relax... you have found a reliable extension builder in Fleetwood. Rps property services Ltd is a friendly and reliable company based in Fleetwood ...

Underpinning ranges from £16,996 (COASTAL CONSTRUCTION LTD based in FY5) to £17,348 (Green Generation Builders Ltd based in FY3), 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 Fleetwood by posting a job with HaMuch and we will send it to extension builders in Fleetwood.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Fleetwood | £28 | £206 |
| Underpin A Building near Thornton | £29 | £211 |
| Underpin A Building near Blackpool | £29 | £209 |
| Underpin A Building near Lytham St Annes | £28 | £206 |
| Underpin A Building near Morecambe | £25 | £212 |
| Underpin A Building near Lancaster | £25 | £211 |
| Underpin A Building near Fulwood | £31 | £217 |
| Underpin A Building near Barrow-in-Furness | £25 | £204 |
| Underpin A Building near Penwortham | £30 | £218 |
| Underpin A Building near Preston | £30 | £218 |
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 - £17,191

Two storey extension - £87,537

Build a timber frame extension - £25,691

Build a swimming pool - £80,691

Single storey extension - £48,824

Side return extension - £38,026

Install an RSJ - £1,891

Outbuilding - £9,691

Build a Mansard loft conversion - £51,691

Loft conversion - £30,855

Build a kitchen extension - £41,691

Hip to gable loft conversion - £41,691

Granny annexe - £86,691

Garden office - £9,691

Convert a Garage - £15,691

Garage - £18,191

Build a flat roof extension - £21,691

Build a dormer loft conversion - £41,691

Concrete foundations - £5,941

Convert a bungalow loft - £28,691

Convert a basement - £34,026