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Trusted, recommended Extension Builders
Prices for extension builders in the UK
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Find out how much extension builder jobs cost

Low	Average	High
£13	£34	£86
Average hourly rate of 9110 extension builders in the UK excluding VAT or callout charge

Extension Builders in the UK. The average hourly rate of the 10 Extension Builders listed is £29. Extension Builder rates vary with location. For example, Northern Garage Conversion in Westwood charges from £35 per hour.

When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Basement Garage House extension Loft Side return

Trusted, recommended Extension Builders

"New Kitchen extension & Side Extension with Utility Room from October 2024 - March 2025" - BURGESS HILL, job posted 23/06/24

"Velux Loft conversion on 3rd floor tenement, architectural plans and building warrant already secured. Installation of 5 velux windows and 2 sky lights. Adding 3 bedrooms upstairs and a utility room in the extension. On the existing floor, knocking through a partition wall and moving the ikea..." - EH6, job posted 23/06/24

"Loft conversion" - SUNDERLAND, job posted 22/06/24

"Garage" - BRACKNELL FOREST, job posted 22/06/24

"Looking at having a dormer loft conversion Semi detached 4 bed property" - DE23, job posted 21/06/24

"We would like to add an extension to our house, around around 6 m wide and ,4/5 m deep. Could I have a breakdown of costings please. Also would it be possible to include in a quote that the house will still be habitable after a building works done. Thank you" - BRISTOL, job posted 21/06/24

"Removing a structural wall between the kitchen and dining room. We have sent off the structural drawings to building control. We have also specified via 1:10 details a hidden beam detail which sits within the floor void. This would mean cutting the timber joist overhangs and install joist hangers..." - STOCKTON-ON-TEES, job posted 20/06/24

"Loft conversion..Plus planning" - SOUTHALL, job posted 20/06/24

"Quote for external repairs for cracked render and displaced masonry" - SCOTTISH BORDERS, job posted 20/06/24

"Hip to gable loft conversion" - BS30, job posted 20/06/24

from 320 to 330 of 9110

Find out how much extension builder jobs cost

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.