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.

Timber frame extension - £25,552

Garden office - £9,552

Granny annexe - £86,552

Flat roof extension - £21,552

Garage conversion - £15,552

Hip to gable loft conversion - £41,552

Bungalow loft conversion - £28,552

Dormer loft conversion - £41,552

Swimming pool - £80,552

Mansard loft conversion - £51,552

Concrete foundation - £5,802

Underpinning - £17,052

Two storey extension - £87,328

Basement conversion - £32,460

Side return extension - £36,460

Loft conversion - £29,550

Garage - £18,052

Single storey extension - £46,040

Outbuilding - £9,552

RSJ installation - £1,752

Kitchen extension - £41,552
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At HaMuch we know what tradespeople charge because we have the largest database of rates anywhere in the UK. If you want quotes for jobs at the right price for you, post your jobs with HaMuch and get your home improvements kickstarted straight away!
