Cost to build a flat roof extension in London

Build a flat roof extension cost in London - Sort by rates or availability

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Flat roof extension cost in London

Estimates for build a flat roof extension near London

A flat roof extension ranges from the cheapest of £22,048 (J&J Building Solutions based in SW16) to the dearest of £22,432 (MM-Builders based in N9), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.

Find out how much your flat roof extension will cost in London by posting a job with HaMuch. We'll send it to extension builders in London.

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