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 - £25,560

Garden office - £9,560

Granny annexe - £86,560

Flat roof extension - £21,560

Garage conversion - £15,560

Hip to gable loft conversion - £41,560

Bungalow loft conversion - £28,560

Dormer loft conversion - £41,560

Swimming pool - £80,560

Mansard loft conversion - £51,560

Concrete foundation - £5,810

Underpinning - £17,060

Two storey extension - £87,340

Basement conversion - £32,550

Side return extension - £36,550

Loft conversion - £29,625

Garage - £18,060

Single storey extension - £46,200

Outbuilding - £9,560

RSJ installation - £1,760

Kitchen extension - £41,560
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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!
