London two storey extensions from £85,240

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Cost of a two storey extension in London

A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in London?

Costs range from £85,240 (London Design And Build based in SW1A) to £87,916 (Adamko Dry Lining London based in WC2N), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

Post your job on HaMuch and we'll send it to extension builders to London.

Estimates for two storey extension near London

Estimates for common extension builder jobs in London;

JobEstimate
Underpinning a house£17,341
Build a two storey extension£87,761
Build a timber frame extension£25,841
Install a swimming pool£80,841
Cost to build a single storey extension£51,819
Cost to build a side return extension£39,711
Install an RSJ£2,041
Build an outbuilding£9,841
Build a mansard loft conversion£51,841
Cost of a loft conversion£32,259
Build a kitchen extension£41,841
Build a hip to gable loft conversion£41,841
Build a granny annexe£86,841
Build a garden office£9,841
Convert a garage£15,841
Build a new garage£18,341
Build a flat roof extension£21,841
Build a dormer loft conversion£41,841
Lay a concrete foundation£6,091
Convert a bungalow loft£28,841
Basement conversion cost£35,711
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Rates for other London trades

Appliance Repair Specialist
Bathroom Fitter
Builder
Carpenter and Joiner
Cleaner
Conservatory Specialist
Door Fitter
Drain Specialist
Driveway Specialist
Electrician
Extension Builder
Fencer
Fire and Security Specialist
Flooring Specialist
Gardener
Handyman
Heating Engineer
Kitchen Fitter
Landscaper
Painter and Decorator
Patio and Path Specialist
Plasterer
Plumber
Removals and Storage
Roofer
Tiler
Window Fitter
Two storey extension cost in London
Estimate Two storey extension cost in London based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
Adamko Dry Lining London, Greater London, WC2N £87,916
Elv8 Interiors, Greater London, W1B £87,916
Big Mamma, Greater London, W1F £87,916
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £87,772
My Trusted Builder, London, Greater London, wc2h £87,772
Whitehorse Build London, Greater London, WC2H £87,916
ElleHaus, Greater London, WC2H £87,916
Rucco Property, Greater London, WC2H £87,916
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H £87,772
Gil Construction Ltd, Greater London, WC2H £87,916
ORO Projects, Greater London, WC2H £87,916
Matstone Projects Limited, Greater London, WC2H £87,916
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H £87,772
My Lady Builder, Greater London, WC2H £87,916
Cornerstone, Greater London, W1F £87,916
Sehem Design, london, W1F £87,916
Mayfair Design, Greater London, W1J £87,916
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J £87,760
We Love Build - Three Arches, London, Greater London, W1J £87,760
We Love Build, Greater London, W1J £87,916
London Design And Build , Roehampton, SW1A £85,240
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S £87,772
TipTop Joinery & Build, London, Greater London, WC1V £87,772
Infinite CM, Greater London, SE1 £87,904
Elite Building, Greater London, WC2A £87,916

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Location in UKHourly RateDaily Rate
Two Storey Extension near Belgravia£38£237
Two Storey Extension near Lambeth£38£237
Two Storey Extension near Camden Town£38£238
Two Storey Extension near Chelsea£38£238
Two Storey Extension near Islington£39£237
Two Storey Extension near Camberwell£38£237
Two Storey Extension near Kensington£38£238
Two Storey Extension near Bethnal Green£39£236
Two Storey Extension near Hackney£39£237
Two Storey Extension near Fulham£38£238
Two Storey Extension near Hammersmith£38£238
Two Storey Extension near Earlsfield£38£238
Two Storey Extension near Greenwich£38£235
Two Storey Extension near Muswell Hill£38£236
Two Storey Extension near Lewisham£38£236
Two Storey Extension near Wimbledon£37£234
Two Storey Extension near Plaistow£37£234
Two Storey Extension near Brent Cross£37£237
Two Storey Extension near Walthamstow£39£238
Two Storey Extension near Merton£38£236
Two Storey Extension near Ealing£38£237
Two Storey Extension near Redbridge£36£232
Two Storey Extension near Bromley£37£231
Two Storey Extension near Croydon£37£233
Two Storey Extension near Barking£37£228
Two Storey Extension near Kingston Upon Thames£37£235
Two Storey Extension near Sutton£37£234
Two Storey Extension near High Barnet£37£236
Two Storey Extension near Harrow£37£235
Two Storey Extension near Hounslow£37£243
Two Storey Extension near Richmond Upon Thames£37£236
Two Storey Extension near Bexley£36£230
Two Storey Extension near Hillingdon£56£240
Two Storey Extension near Romford£39£236