Build a single storey extension in SW1 from £18,200

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Extension builder estimates (based on hourly rates) to build a single storey extension in SW1

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 SW1 by posting a job with HaMuch and we will send it to extension builders in SW1.

Estimates for single storey extension near SW1

Estimates for common extension builder jobs in SW1;

JobEstimate
Underpinning a house£17,319
Build a two storey extension£87,728
Build a timber frame extension£25,819
Install a swimming pool£80,819
Cost to build a single storey extension£51,371
Cost to build a side return extension£39,459
Install an RSJ£2,019
Build an outbuilding£9,819
Build a mansard loft conversion£51,819
Cost of a loft conversion£32,049
Build a kitchen extension£41,819
Build a hip to gable loft conversion£41,819
Build a granny annexe£86,819
Build a garden office£9,819
Convert a garage£15,819
Build a new garage£18,319
Build a flat roof extension£21,819
Build a dormer loft conversion£41,819
Lay a concrete foundation£6,069
Convert a bungalow loft£28,819
Basement conversion cost£35,459
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Rates for other SW1 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 SW1
Estimate Single storey extension cost in SW1 based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
A to Z Builders Ltd, Houses of Parliament, SW1P £52,600
F & F Building Services, Houses of Parliament, SW1P £52,600
London Design And Build , Roehampton, SW1A £18,200
London Projects Ltd, 11 Carteret Street, London, Greater London, SW1H £51,960
Luxury Movement, London, Greater London, SW1V £51,800
Cliden Construction (London), London, Greater London, SW1V £51,800
Future Homes Design and Build, 4 Old Park Lane, Mayfair, London, W1K £51,960
ALT CONSTRUCTION, Greater London, SW1W £53,880
The Maybria Group, Mayfair, Greater London, W1J £51,960
Property Refurbishment London, 21 Ellis Street, Sloane Square, London, Greater London, SW1X £51,800
Mayfair Design, Greater London, W1J £53,880
Sloane Ave Renovations, 130 Sloane Street, London, Greater London, SW1X £51,800
Knightsbridge Design, Greater London, SW1X £53,880
Autas Developments, London, SW1W £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
Elv8 Interiors, Greater London, W1B £53,880
Adamko Dry Lining London, Greater London, WC2N £53,880
Hearne House, London, Greater London, SW3 £51,800
Cobalt Interiors, London, Greater London, SW7 £53,880
Pillar Contractors Ltd, 49 Grosvenor Street, Mayfair, London, Greater London, W1K £51,800
Clarisford, Greater London, SW3 £53,880
Clarisford, London, Greater London, SW3 £51,800
Big Mamma, Greater London, W1F £53,880

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