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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 £38. Extension Builder rates vary with location. For example, BA Knott Oxford Ltd in Oxford charges from £40 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

"RSJ installation" - EAST RIDING, job posted 03/05/24

"Loft conversion - Small velux/roof light loft conversion in apartment in Castlefield area. Adding an extra bedroom, staircase and if possible a shower room. Help and advice on plans and buuilding regs etc would be preferred but not essential." - MANCHESTER, job posted 02/05/24

"Loft Dorma...roof don't need to be raised." - BIRMINGHAM, job posted 02/05/24

"Roof don't need to be raided. Dorma at back with side." - BIRMINGHAM, job posted 02/05/24

"Loft conversion" - WOLVERHAMPTON, job posted 02/05/24

"Remove current conservatory and build a small extension 4x4m" - NP19, job posted 01/05/24

"Convert loftspear bed room with shower and toilet" - UB2, job posted 01/05/24

"Loft conversion" - BELFAST, job posted 01/05/24

"Side return extension" - SUFFOLK COASTAL, job posted 01/05/24

"Hip to gable loft conversion" - COVENTRY, job posted 30/04/24

from 340 to 350 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.