Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 5 (1 reviews)

Find affordable Westbury extension builders now

Extension builders rates in Westbury range from £29/hour £226/day (Bryan Loveday Services Limited) to £37/hour £287/day (Prestige home improvements ). To see prices and availability now for your job click green button.

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"A downstairs loo I think the wall will have to be knocked through from inside" - BA14, job posted 26/03/26

Compare Westbury extension builders rates

Compare Westbury extension builders rates (excluding VAT or callout charges)
Location in UK	Hourly Rate	Daily Rate
Extension Builders near Trowbridge	£34	£266
Extension Builders near Frome	£33	£263
Extension Builders near Devizes	£32	£242
Extension Builders near North Wiltshire	£32	£242
Extension Builders near West Wiltshire	£32	£242
Extension Builders near Bath	£32	£249
Extension Builders near Calne	£29	£225
Extension Builders near Chippenham	£34	£258
Extension Builders near Keynsham	£33	£251
Extension Builders near Kingswood	£34	£257

Job estimates from extension builders near you

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.

Build a timber frame extension - £26,072

Garden office - £10,072

Granny annexe - £87,072

Build a flat roof extension - £22,072

Convert a Garage - £16,072

Hip to gable loft conversion - £42,072

Convert a bungalow loft - £29,072

Build a dormer loft conversion - £42,072

Build a swimming pool - £81,072

Build a Mansard loft conversion - £52,072

Concrete foundations - £6,322

Underpin a building - £17,572

Two storey extension - £88,108

Convert a basement - £38,310

Side return extension - £42,310

Loft conversion - £34,425

Garage - £18,572

Single storey extension - £56,440

Outbuilding - £10,072

Install an RSJ - £2,272

Build a kitchen extension - £42,072

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