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Granny Annexe Cost in London

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in London?

Building a granny annexe ranges from £85,160 (London Design And Build based in SW1A) to £86,944 (Adamko Dry Lining London based in WC2N), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in London by posting a job with HaMuch. We will send it to extension builders in London who will be happy to help you.

Estimates for granny annexe near London

Estimates for common extension builder jobs in London;

JobEstimate
Underpinning a house£17,337
Build a two storey extension£87,756
Build a timber frame extension£25,837
Install a swimming pool£80,837
Cost to build a single storey extension£51,742
Cost to build a side return extension£39,668
Install an RSJ£2,037
Build an outbuilding£9,837
Build a mansard loft conversion£51,837
Cost of a loft conversion£32,223
Build a kitchen extension£41,837
Build a hip to gable loft conversion£41,837
Build a granny annexe£86,837
Build a garden office£9,837
Convert a garage£15,837
Build a new garage£18,337
Build a flat roof extension£21,837
Build a dormer loft conversion£41,837
Lay a concrete foundation£6,087
Convert a bungalow loft£28,837
Basement conversion cost£35,668
2. Enter postcode to get estimate
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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
Granny annexe cost in London
Estimate Granny annexe cost in London based on hourly/daily rate (excluding VAT or callout charges)
Business name Granny annexe cost
Adamko Dry Lining London, Greater London, WC2N £86,944
Elv8 Interiors, Greater London, W1B £86,944
Big Mamma, Greater London, W1F £86,944
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £86,848
ORO Projects, Greater London, WC2H £86,944
Gil Construction Ltd, Greater London, WC2H £86,944
Rucco Property, Greater London, WC2H £86,944
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, Greater London, WC2H £86,848
Matstone Projects Limited, Greater London, WC2H £86,944
My Lady Builder, Greater London, WC2H £86,944
My Trusted Builder, London, Greater London, wc2h £86,848
Whitehorse Build London, Greater London, WC2H £86,944
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H £86,848
ElleHaus, Greater London, WC2H £86,944
Cornerstone, Greater London, W1F £86,944
Sehem Design, london, W1F £86,944
Mayfair Design, Greater London, W1J £86,944
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J £86,840
We Love Build - Three Arches, London, Greater London, W1J £86,840
We Love Build, Greater London, W1J £86,944
London Design And Build , Roehampton, SW1A £85,160
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S £86,848
TipTop Joinery & Build, London, Greater London, WC1V £86,848
Infinite CM, Greater London, SE1 £86,936
Elite Building, 7 Bell Yard, London, Greater London, WC2A £86,848

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