Build a single storey extension in W1J from £18,200

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Extension builder estimates (based on hourly rates) to build a single storey extension in W1J

Range from the cheapest single storey extension £18,200 (London Design And Build based in SW1A) to the dearest single storey extension £53,880 (Mayfair Design based in W1J).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in W1J by posting a job with HaMuch and we will send it to extension builders in W1J.

Estimates for single storey extension near W1J

Estimates for common extension builder jobs in W1J;

JobEstimate
Underpinning a house£17,335
Build a two storey extension£87,752
Build a timber frame extension£25,835
Install a swimming pool£80,835
Cost to build a single storey extension£51,698
Cost to build a side return extension£39,642
Install an RSJ£2,035
Build an outbuilding£9,835
Build a mansard loft conversion£51,835
Cost of a loft conversion£32,202
Build a kitchen extension£41,835
Build a hip to gable loft conversion£41,835
Build a granny annexe£86,835
Build a garden office£9,835
Convert a garage£15,835
Build a new garage£18,335
Build a flat roof extension£21,835
Build a dormer loft conversion£41,835
Lay a concrete foundation£6,085
Convert a bungalow loft£28,835
Basement conversion cost£35,642
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Rates for other W1J 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
Single storey extension cost in W1J
Estimate Single storey extension cost in W1J based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
Mayfair Design, Greater London, W1J £53,880
Luxe Refurbs, 16 Berkeley Street, London, Greater London, W1J £51,800
We Love Build - Three Arches, London, Greater London, W1J £51,800
We Love Build, Greater London, W1J £53,880
The Maybria Group, Mayfair, Greater London, W1J £51,960
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K £51,960
Elv8 Interiors, Greater London, W1B £53,880
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K £51,800
Starfish Properties, 14 Hanover Street, 3rd Floor, London, W1S £51,960
London Design And Build , Roehampton, SW1A £18,200
Dominic Payte - Design & Build, 14 Hanover Square, Mayfair, Greater London, W1S £51,960
Big Mamma, Greater London, W1F £53,880
Cornerstone, Greater London, W1F £53,880
Sehem Design, london, W1F £53,880
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £51,960
Hestia Contractors Ltd, 207 Regent Street, London, Greater London, W1B £51,960
CORRECTBUILDIV.LTD, Greater London, W1B £53,880
Guildon LTD, Greater London, w1b £53,880
Azur London, Greater London, W1U £53,880
KBB Master Builder LTD, Greater London, W1W £53,880
UCS UK Ltd, Greater London, W1W £53,880
JK Doors, Fitzrovia, W1W £52,760
Eternal Solutions, Greater London, W1W £53,880
KBB Master Builder Ltd, Greater London, W1W £53,880
JAY Executinos LTD, London, W1W £53,880

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