N12 two storey extensions from £86,920

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Cost of a two storey extension in N12

A two storey extension is a great way to add extra space to your home, adding value to your property. But how much does it cost to build a double storey extension in N12?

Costs range from £86,920 (Onyx Iv based in N11) to £88,000 (Homeworks Design & Build Ltd based in N20), but these are just estimates. The best way to compare costs is to get real quotes from real builders.

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Estimates for two storey extension near N12

Estimates for common extension builder jobs in N12;

JobEstimate
Underpinning a house£17,382
Build a two storey extension£87,823
Build a timber frame extension£25,882
Install a swimming pool£80,882
Cost to build a single storey extension£52,638
Cost to build a side return extension£40,172
Install an RSJ£2,082
Build an outbuilding£9,882
Build a mansard loft conversion£51,882
Cost of a loft conversion£32,643
Build a kitchen extension£41,882
Build a hip to gable loft conversion£41,882
Build a granny annexe£86,882
Build a garden office£9,882
Convert a garage£15,882
Build a new garage£18,382
Build a flat roof extension£21,882
Build a dormer loft conversion£41,882
Lay a concrete foundation£6,132
Convert a bungalow loft£28,882
Basement conversion cost£36,172
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Rates for other N12 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
Two storey extension cost in N12
Estimate Two storey extension cost in N12 based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
Gwe construction, Greater London, N12 £87,916
TBF Construction Ltd, Greater London, N12 £87,916
Forts Developments LTD, Forts Developments, Greater London, N12 £87,772
Forts Developments LTD, Greater London, N12 £87,916
Chelebi Builders, Greater London, N12 £87,916
Chelebi Builders, Greater London, N12 £87,916
Builder for London, North Finchley, N12 £87,832
Prime UK Contractors Ltd, London, N12 £87,916
D Tymczyszyn T/A Tym Building, North Finchley, N12 £87,784
Odp Builders, Whetstone, N20 £87,832
nava construction ltd, Greater London, N20 £87,916
Madewellbuilders Ltd, Finchley, N3 £87,832
Savvas Construction (UK) Ltd, Greater London, N20 £87,916
DPS Building Ltd, 100 unit, 116 Ballards Lane, Finchley, N3 £87,772
D.J Coyle & Co.Ltd, Whetstone, N20 £87,832
AK Builders, Finchley, N3 £87,760
Raf's Building Service, Friern Barnet, N11 £87,784
Onyx Iv, London, N11 £86,920
Homeworks Design & Build Ltd, London, N20 £88,000
Taylor Construction Services Ltd, London, N3 £87,916
Builders Are Us, London, N2 £87,916
Ninos Carpentry Ltd, Greater London, N3 £87,916
RF Building Services, Finchley, N3 £87,832
Keenan Construction, North London Business Park, Building 3, London, Greater London, N11 £87,772
Urban Design Build, 84 George Crescent, London, Greater London, N10 £87,772

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