From £17,820
A & A Builders are here to help customers who need an Extension Builder in Argyll And Bute. We offer a competitive rate to complete all your extens...
From £17,764
Experienced extension builder ready to quote for your work. Whisky vaults is the best extension builder in Argyll And Bute. No obligation free quot...

Underpinning ranges from £17,764 (Whisky vaults based in Pa34) to £17,820 (A & A Builders based in PA37), 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 Argyll And Bute by posting a job with HaMuch and we will send it to extension builders in Argyll And Bute.
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 - £17,792

Two storey extension - £88,438

Build a timber frame extension - £26,292

Build a swimming pool - £81,292

Single storey extension - £60,840

Side return extension - £44,785

Install an RSJ - £2,492

Outbuilding - £10,292

Build a Mansard loft conversion - £52,292

Loft conversion - £36,488

Build a kitchen extension - £42,292

Hip to gable loft conversion - £42,292

Granny annexe - £87,292

Garden office - £10,292

Convert a Garage - £16,292

Garage - £18,792

Build a flat roof extension - £22,292

Build a dormer loft conversion - £42,292

Concrete foundations - £6,542

Convert a bungalow loft - £29,292

Convert a basement - £40,785