SW1Y two storey extensions from £85,240

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Cost of a two storey extension in SW1Y

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 SW1Y?

Costs range from £85,240 (London Design And Build based in SW1A) to £87,916 (Elv8 Interiors based in W1B), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

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Estimates for two storey extension near SW1Y

Estimates for common extension builder jobs in SW1Y;

JobEstimate
Underpinning a house£17,327
Build a two storey extension£87,740
Build a timber frame extension£25,827
Install a swimming pool£80,827
Cost to build a single storey extension£51,538
Cost to build a side return extension£39,552
Install an RSJ£2,027
Build an outbuilding£9,827
Build a mansard loft conversion£51,827
Cost of a loft conversion£32,127
Build a kitchen extension£41,827
Build a hip to gable loft conversion£41,827
Build a granny annexe£86,827
Build a garden office£9,827
Convert a garage£15,827
Build a new garage£18,327
Build a flat roof extension£21,827
Build a dormer loft conversion£41,827
Lay a concrete foundation£6,077
Convert a bungalow loft£28,827
Basement conversion cost£35,552
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Rates for other SW1Y 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 SW1Y
Estimate Two storey extension cost in SW1Y based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £87,772
Elv8 Interiors, Greater London, W1B £87,916
Adamko Dry Lining London, Greater London, WC2N £87,916
Mayfair Design, Greater London, W1J £87,916
London Design And Build , Roehampton, SW1A £85,240
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
Big Mamma, Greater London, W1F £87,916
Cornerstone, Greater London, W1F £87,916
Sehem Design, london, W1F £87,916
The Maybria Group, Mayfair, Greater London, W1J £87,772
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K £87,772
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S £87,772
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K £87,760
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S £87,772
A to Z Builders Ltd, Houses of Parliament, SW1P £87,820
Matstone Projects Limited, Greater London, WC2H £87,916
ORO Projects, Greater London, WC2H £87,916
House Rendering Ltd, 71-75, Shelton Street, Covent Garden, 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
My Trusted Builder, London, Greater London, wc2h £87,772
HouseUP, 71-75 Shelton Street, Covent Garden, London, WC2H £87,772

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