Build a single storey extension in SW20 from £40,600

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Extension builder estimates (based on hourly rates) to build a single storey extension in SW20

Range from the cheapest single storey extension £40,600 (ANGEL BUILDING LTD based in SW19) to the dearest single storey extension £59,800 (Silverain Limited based in SW19).
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 SW20 by posting a job with HaMuch and we will send it to extension builders in SW20.

Estimates for single storey extension near SW20

Estimates for common extension builder jobs in SW20;

JobEstimate
Underpinning a house£17,368
Build a two storey extension£87,803
Build a timber frame extension£25,868
Install a swimming pool£80,868
Cost to build a single storey extension£52,370
Cost to build a side return extension£40,020
Install an RSJ£2,068
Build an outbuilding£9,868
Build a mansard loft conversion£51,868
Cost of a loft conversion£32,517
Build a kitchen extension£41,868
Build a hip to gable loft conversion£41,868
Build a granny annexe£86,868
Build a garden office£9,868
Convert a garage£15,868
Build a new garage£18,368
Build a flat roof extension£21,868
Build a dormer loft conversion£41,868
Lay a concrete foundation£6,118
Convert a bungalow loft£28,868
Basement conversion cost£36,020
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Rates for other SW20 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 SW20
Estimate Single storey extension cost in SW20 based on hourly/daily rate (excluding VAT or callout charges)
Business name Single storey extension cost
BuildExtensions, 604 Kingston Road, Raynes Park, SW20 £51,800
Kisiel Group, London, Greater London, SW20 £51,800
SURREY HOME & GARDEN SERVICES, London, SW20 £54,200
Arkadia Properties Ltd, Greater London, SW20 £53,880
RECOM Construction, Greater London, SW20 £53,880
RELM Interiors Ltd, 50 Southdown Road, London, Greater London, SW20 £53,880
My Design Needs / Modernation Ltd., Greater London, SW20 £53,720
SOUTH SIDE BUILDERS, Merton, SW20 £52,120
Ash House Investment Ltd, London, Surrey, kt3 £51,640
Racsel Building Services Ltd, New Malden, KT3 £52,120
Racsel Building Services Ltd, New Malden, KT3 £52,120
Early Druid Ltd, New Malden, KT3 £47,000
EcoHomeLondonLtd, Greater London, SM4 £53,720
Flanagan Construction Ltd, Morden, SM4 £55,000
Design Manage Build, Worple road mews, Wimbledon, London, Sw19 £51,800
Emcon Services Ltd, New Malden, KT3 £53,400
PT DECORATIONS LTD, Morden, SM4 £52,760
Silverain Limited, London , SW19 £59,800
Galaxy Extend, 17A, New Malden, Errol Gardens, London, Greater London, KT3 £51,640
DesignBox Architecture Limited, London, SW19 £52,600
ANGEL BUILDING LTD, London, SW19 £40,600
XUE BUILDERS, New Malden, KT3 £52,120
Firman Reece Ltd, 11 Alexandra Road, London, Greater London, SW19 £51,800
Bagnall Brickwork, Surrey, SM4 £53,720
BLU STAR BUILD LLP, New Malden, KT3 £52,120

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