Build a single storey extension in W12 from £51,640

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Extension builder estimates (based on hourly rates) to build a single storey extension in W12

Range from the cheapest single storey extension £51,640 (JNJ Building Services Ltd based in W12) to the dearest single storey extension £85,400 (1st & 2nd Fix Vasconstruct based in W12).
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 W12 by posting a job with HaMuch and we will send it to extension builders in W12.

Estimates for single storey extension near W12

Estimates for common extension builder jobs in W12;

JobEstimate
Underpinning a house£17,462
Build a two storey extension£87,943
Build a timber frame extension£25,962
Install a swimming pool£80,962
Cost to build a single storey extension£54,245
Cost to build a side return extension£41,075
Install an RSJ£2,162
Build an outbuilding£9,962
Build a mansard loft conversion£51,962
Cost of a loft conversion£33,396
Build a kitchen extension£41,962
Build a hip to gable loft conversion£41,962
Build a granny annexe£86,962
Build a garden office£9,962
Convert a garage£15,962
Build a new garage£18,462
Build a flat roof extension£21,962
Build a dormer loft conversion£41,962
Lay a concrete foundation£6,212
Convert a bungalow loft£28,962
Basement conversion cost£37,075
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Rates for other W12 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 W12
Estimate Single storey extension cost in W12 based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
Graham Construction, Shepherd's Bush, W12 £52,760
The Great Wolf Construction, Londonderry, W12 £53,880
Newpark Construction, Shepherd's Bush, W12 £52,760
Add Global, 71 Golhawk Road, London, Greater London, W12 £51,960
Clay Design & Build, Greater London, W12 £53,880
GWS Roofing Specialists, London, Greater London, W12 £53,880
1st & 2nd Fix Vasconstruct, London , W12 £85,400
Heaven Sent Construction, Shepherd's Bush, W12 £52,760
Natalia Kennerley, Greater London, W12 £53,880
Hammerhead General Contractors Ltd, London, Greater London, W12 £51,960
Sam Loft, Notting Hill, W11 £52,760
HUGHES BUILDERS, Shepherd's Bush, W12 £52,760
IC&T PROJECTS, Greater London, W12 £53,880
JNJ Building Services Ltd, 151 Askew Road, Hammersmith, London, Lon, W12 £51,640
Baes design ltd, Greater London, W10 £53,880
Jonathan P Spencer Design and Build Limited, London, Greater London, W6 £51,960
HvB Development + Elnaz Namaki Studio, Studio 2, 48-49 Princes Place, London, Greater London, W11 £51,960
One L Building Services, London, Greater London, W11 £51,960
Haris Builders, London, W12 £53,880
MRJ Building Services, Notting Hill, W11 £52,760
Jobbs, Greater London, W11 £53,880
GB Buildings & Renovations, London, London, Greater London, W6 £51,960
Robert & Sons, Surrey, W10 £53,880
Neoliydia Ltd & Echinus Design Studio, London, Greater London, W12 £51,960
Neoliydia Ltd & Echinus Design Studio, Greater London, W12 £53,880

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