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Trusted, recommended Extension Builders
Prices for extension builders in the UK
Find a local builder who can convert your loft or build a side return extension at a great price
Find out how much extension builder jobs cost

Low	Average	High
£13	£34	£68
Average hourly rate of 9078 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 £40. Extension Builder rates vary with location. For example, Guven Buildings LTD in Chigwell charges from £41 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

"Quote on trussed roof loft conversion please - bedroom and separate storage/dressing room. Many thanks" - CF3, job posted 31/10/24

"Side return extension" - YORK, job posted 31/10/24

"House kitchen Extension" - BIRMINGHAM, job posted 29/10/24

"Loft conversion Velux style , with en suite and new staircase" - CT17, job posted 28/10/24

"Garage" - WEYBRIDGE, job posted 28/10/24

"Concrete foundation for footings" - B35, job posted 27/10/24

"Garage" - PE9, job posted 26/10/24

"RSJ installation" - WORTHING, job posted 25/10/24

"Single storey extension" - BRACKNELL FOREST, job posted 25/10/24

"Loft conversion" - COVENTRY, job posted 24/10/24

from 280 to 290 of 9078

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.