Build a single storey extension in SW1W from £18,200

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Extension builder estimates (based on hourly rates) to build a single storey extension in SW1W

Range from the cheapest single storey extension £18,200 (London Design And Build based in SW1A) to the dearest single storey extension £53,880 (ALT CONSTRUCTION based in SW1W).
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 SW1W by posting a job with HaMuch and we will send it to extension builders in SW1W.

Estimates for single storey extension near SW1W

Estimates for common extension builder jobs in SW1W;

JobEstimate
Underpinning a house£17,314
Build a two storey extension£87,721
Build a timber frame extension£25,814
Install a swimming pool£80,814
Cost to build a single storey extension£51,275
Cost to build a side return extension£39,405
Install an RSJ£2,014
Build an outbuilding£9,814
Build a mansard loft conversion£51,814
Cost of a loft conversion£32,004
Build a kitchen extension£41,814
Build a hip to gable loft conversion£41,814
Build a granny annexe£86,814
Build a garden office£9,814
Convert a garage£15,814
Build a new garage£18,314
Build a flat roof extension£21,814
Build a dormer loft conversion£41,814
Lay a concrete foundation£6,064
Convert a bungalow loft£28,814
Basement conversion cost£35,405
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Rates for other SW1W 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 SW1W
Estimate Single storey extension cost in SW1W based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
Luxury Movement, London, Greater London, SW1V £51,800
ALT CONSTRUCTION, Greater London, SW1W £53,880
Property Refurbishment London, 21 Ellis Street, Sloane Square, London, Greater London, SW1X £51,800
Sloane Ave Renovations, 130 Sloane Street, London, Greater London, SW1X £51,800
Autas Developments, London, SW1W £53,880
Knightsbridge Design, Greater London, SW1X £53,880
London Design And Build , Roehampton, SW1A £18,200
Cliden Construction (London), London, Greater London, SW1V £51,800
F & F Building Services, Houses of Parliament, SW1P £52,600
A to Z Builders Ltd, Houses of Parliament, SW1P £52,600
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K £51,960
Hearne House, London, Greater London, SW3 £51,800
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £51,960
Clarisford, London, Greater London, SW3 £51,800
Clarisford, Greater London, SW3 £53,880
ADOVA, London, Greater London, SW3 £51,800
Oro Projects, 13 Radnor Walk, London, Greater London, SW3 £51,800
The Maybria Group, Mayfair, Greater London, W1J £51,960
Cobalt Interiors, London, Greater London, SW7 £53,880
Haus to Home, Greater London, SW3 £53,720
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
Builders by Design Ltd, Greater London, SW3 £53,720

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