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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 £37. Extension Builder rates vary with location. For example, Steve Lovett Builders in Bitterne charges from £31 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

"Single storey extension" - WREXHAM, job posted 16/03/24

"Side return extension" - THANET, job posted 14/03/24

"Loft conversion in the terraced house. We have access to Loft and some sort of insulation was added to it when we moved it. We would want to convert it with stairs from the 1st floor landing area." - BT7, job posted 14/03/24

"Loft conversion" - NOTTINGHAM, job posted 14/03/24

"Side return extension" - NE25, job posted 14/03/24

"Loft conversion" - STANFORD-LE-HOPE, job posted 14/03/24

"Loft conversion" - CARDIFF, job posted 14/03/24

"Convert loft into bedroom with skylight only and stairs." - ME5, job posted 12/03/24

"Side return extension" - SN3, job posted 12/03/24

"Build Orangerie to rear of house 18ft wide x 20 ft length (Brick, UPVC windows, Lantern ceiling, French Doors" - RM13, job posted 12/03/24

from 370 to 380 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.