Convert your basement in SW20 from £33,000

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Cheapest builders to convert your basement in SW20

Range from the cheapest Basement conversion £33,000 (Early Druid Ltd based in KT3) to the dearest Basement conversion £40,200 (Silverain Limited based in SW19).

Comparing extension builders estimates for a Basement conversion 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 for the cost to convert a basement in SW20 by posting a job with HaMuch and we will send it to  extension builders in SW20.

Estimates for basement conversion near SW20

Estimates for common extension builder jobs in SW20;

JobEstimate
Underpinning a house£17,392
Build a two storey extension£87,838
Build a timber frame extension£25,892
Install a swimming pool£80,892
Cost to build a single storey extension£52,843
Cost to build a side return extension£40,287
Install an RSJ£2,092
Build an outbuilding£9,892
Build a mansard loft conversion£51,892
Cost of a loft conversion£32,739
Build a kitchen extension£41,892
Build a hip to gable loft conversion£41,892
Build a granny annexe£86,892
Build a garden office£9,892
Convert a garage£15,892
Build a new garage£18,392
Build a flat roof extension£21,892
Build a dormer loft conversion£41,892
Lay a concrete foundation£6,142
Convert a bungalow loft£28,892
Basement conversion cost£36,287
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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
Basement conversion cost in SW20
Estimate Basement conversion cost in SW20 based on hourly/daily rate (excluding VAT or callout charges)
Business name Basement conversion cost
BuildExtensions, 604 Kingston Road, Raynes Park, SW20 £35,700
Kisiel Group, London, Greater London, SW20 £35,700
SURREY HOME & GARDEN SERVICES, London, SW20 £37,050
Arkadia Properties Ltd, Greater London, SW20 £36,870
RECOM Construction, Greater London, SW20 £36,870
RELM Interiors Ltd, 50 Southdown Road, London, Greater London, SW20 £36,870
My Design Needs / Modernation Ltd., Greater London, SW20 £36,780
SOUTH SIDE BUILDERS, Merton, SW20 £35,880
Ash House Investment Ltd, London, Surrey, kt3 £35,610
Racsel Building Services Ltd, New Malden, KT3 £35,880
Racsel Building Services Ltd, New Malden, KT3 £35,880
Early Druid Ltd, New Malden, KT3 £33,000
EcoHomeLondonLtd, Greater London, SM4 £36,780
Flanagan Construction Ltd, Morden, SM4 £37,500
Design Manage Build, Worple road mews, Wimbledon, London, Sw19 £35,700
PT DECORATIONS LTD, Morden, SM4 £36,240
Silverain Limited, London , SW19 £40,200
Galaxy Extend, 17A, New Malden, Errol Gardens, London, Greater London, KT3 £35,610
DesignBox Architecture Limited, London, SW19 £36,150
XUE BUILDERS, New Malden, KT3 £35,880
Firman Reece Ltd, 11 Alexandra Road, London, Greater London, SW19 £35,700
Bagnall Brickwork, Surrey, SM4 £36,780
BLU STAR BUILD LLP, New Malden, KT3 £35,880
WILDE BUILDING CONTRACTORS LTD, New Malden, KT3 £35,880
Rimma Monk ID, Greater London, SW20 £36,780

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