Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.61 (9 reviews)

Find affordable Acton extension builders now

Extension builders rates in Acton range from £34/hour £226/day (CHURCHWOOD MANAGEMENT LTD) to £60/hour £480/day (1st & 2nd Fix Vasconstruct). To see prices and availability now for your job click green button.

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"Loft conversion" - EALING, job posted 25/06/26

"Hi there, I'm reaching out regarding a live opportunity at Heathrow Airport for the design, manufacture, and installation of a pre-fabricated pedestrian bridge next to the Longford Link Bridge. The contract is valued between £150k–£250k and runs until Jan 2027. CAS accreditation is required. If..." - W4, job posted 12/06/25

"Loft conversion" - W12, job posted 21/04/25

"Loft conversion" - W12, job posted 20/04/25

"Loft conversion" - W12, job posted 23/10/24

"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m." - W6, job posted 06/10/24

"Mansard loft conversion" - SHEPHERD'S BUSH, job posted 26/09/24

"Garage" - W3, job posted 18/06/24

"Basement conversion" - W4, job posted 07/08/23

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Local Extension Builders in London Boroughs

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Extension Builders in Acton
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Extension Builders in Ealing
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Extension Builders in West Ealing
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Extension Builders in Brentford
Extension Builders in Kensington
Extension Builders in Barnes

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 - £26,240

Garden office - £10,240

Granny annexe - £87,240

Build a flat roof extension - £22,240

Convert a Garage - £16,240

Hip to gable loft conversion - £42,240

Convert a bungalow loft - £29,240

Build a dormer loft conversion - £42,240

Build a swimming pool - £81,240

Build a Mansard loft conversion - £52,240

Concrete foundations - £6,490

Underpin a building - £17,740

Two storey extension - £88,360

Convert a basement - £40,200

Side return extension - £44,200

Loft conversion - £36,000

Garage - £18,740

Single storey extension - £59,800

Outbuilding - £10,240

Install an RSJ - £2,440

Build a kitchen extension - £42,240

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