W1J two storey extensions from £85,240

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Cost of a two storey extension in W1J

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 W1J?

Costs range from £85,240 (London Design And Build based in SW1A) to £87,916 (Mayfair Design based in W1J), 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 W1J

Estimates for common extension builder jobs in W1J;

JobEstimate
Underpinning a house£17,331
Build a two storey extension£87,747
Build a timber frame extension£25,831
Install a swimming pool£80,831
Cost to build a single storey extension£51,621
Cost to build a side return extension£39,599
Install an RSJ£2,031
Build an outbuilding£9,831
Build a mansard loft conversion£51,831
Cost of a loft conversion£32,166
Build a kitchen extension£41,831
Build a hip to gable loft conversion£41,831
Build a granny annexe£86,831
Build a garden office£9,831
Convert a garage£15,831
Build a new garage£18,331
Build a flat roof extension£21,831
Build a dormer loft conversion£41,831
Lay a concrete foundation£6,081
Convert a bungalow loft£28,831
Basement conversion cost£35,599
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Rates for other W1J trades

Appliance Repair Specialist
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Door Fitter
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Extension Builder
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Two storey extension cost in W1J
Estimate Two storey extension cost in W1J based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
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
The Maybria Group, Mayfair, Greater London, W1J £87,772
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K £87,772
Elv8 Interiors, Greater London, W1B £87,916
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K £87,760
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S £87,772
London Design And Build , Roehampton, SW1A £85,240
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S £87,772
Big Mamma, Greater London, W1F £87,916
Cornerstone, Greater London, W1F £87,916
Sehem Design, london, W1F £87,916
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £87,772
CORRECTBUILDIV.LTD, Greater London, W1B £87,916
Hestia Contractors Ltd, 207 Regent Street, London, Greater London, W1B £87,772
Guildon LTD, Greater London, w1b £87,916
Azur London, Greater London, W1U £87,916
UCS UK Ltd, Greater London, W1W £87,916
Eternal Solutions, Greater London, W1W £87,916
JK Doors, Fitzrovia, W1W £87,832
KBB Master Builder Ltd, Greater London, W1W £87,916
JAY Executinos LTD, London, W1W £87,916
Teammax LTD, 85 Great Portland Street, London, Greater London, W1W £87,772

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