Basement conversion costs in London from £38,040

Convert a basement cost in London - Sort by rates or availability

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

Cheapest builders to convert your basement in London

Estimates for convert a basement near London

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes for the cost to convert a basement in London by posting a job with HaMuch and we will send it to extension builders in London.

"Basement conversion" - LAMBETH, job posted 05/02/25

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Location in UK	Hourly Rate	Daily Rate
Convert A Basement near Belgravia	£44	£276
Convert A Basement near Lambeth	£44	£275
Convert A Basement near Camden Town	£44	£277
Convert A Basement near Chelsea	£44	£276
Convert A Basement near Islington	£45	£276
Convert A Basement near Camberwell	£44	£276
Convert A Basement near Kensington	£44	£277
Convert A Basement near Bethnal Green	£45	£276
Convert A Basement near Hackney	£45	£278
Convert A Basement near Fulham	£44	£277
Convert A Basement near Hammersmith	£44	£278
Convert A Basement near Earlsfield	£44	£276
Convert A Basement near Greenwich	£44	£268
Convert A Basement near Muswell Hill	£44	£273
Convert A Basement near Lewisham	£43	£268
Convert A Basement near Wimbledon	£43	£271
Convert A Basement near Plaistow	£42	£268
Convert A Basement near Brent Cross	£43	£272
Convert A Basement near Walthamstow	£45	£277
Convert A Basement near Merton	£43	£272
Convert A Basement near Ealing	£44	£275
Convert A Basement near Redbridge	£41	£264
Convert A Basement near Bromley	£42	£265
Convert A Basement near Croydon	£43	£267
Convert A Basement near Barking	£42	£261
Convert A Basement near Kingston Upon Thames	£43	£271
Convert A Basement near Sutton	£43	£273
Convert A Basement near High Barnet	£43	£272
Convert A Basement near Harrow	£43	£271
Convert A Basement near Hounslow	£43	£281
Convert A Basement near Richmond Upon Thames	£43	£274
Convert A Basement near Bexley	£42	£265
Convert A Basement near Hillingdon	£63	£276
Convert A Basement near Romford	£45	£274

Estimates for common extension builder jobs in London;

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.