N21 two storey extensions from £87,484

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Cost of a two storey extension in N21

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 N21?

Costs range from £87,484 (Acacia Gardens Ltd based in N13) to £87,916 (C. Jenkin Builders Limited based in N21), 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 N21

Estimates for common extension builder jobs in N21;

JobEstimate
Underpinning a house£17,383
Build a two storey extension£87,824
Build a timber frame extension£25,883
Install a swimming pool£80,883
Cost to build a single storey extension£52,651
Cost to build a side return extension£40,179
Install an RSJ£2,083
Build an outbuilding£9,883
Build a mansard loft conversion£51,883
Cost of a loft conversion£32,649
Build a kitchen extension£41,883
Build a hip to gable loft conversion£41,883
Build a granny annexe£86,883
Build a garden office£9,883
Convert a garage£15,883
Build a new garage£18,383
Build a flat roof extension£21,883
Build a dormer loft conversion£41,883
Lay a concrete foundation£6,133
Convert a bungalow loft£28,883
Basement conversion cost£36,179
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Rates for other N21 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 N21
Estimate Two storey extension cost in N21 based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
S E H BUILDERS LTD, Winchmore Hill, N21 £87,796
Cityscape Projects Ltd, 4 Elm Park Road, London, N21 £87,760
MULBERRY CONSTRUCTION LTD, Winchmore Hill, N21 £87,796
C. Jenkin Builders Limited, 39 The Spinney, Winchmore Hill, Enfield,, N21 £87,916
CESV Ltd, London, N13 £87,916
PonariBuilders Ltd, Greater London, n13 £87,916
Noel’s Design, Greater London, N13 £87,916
Euro Quant Ltd, Palmers Green, N13 £87,832
Acacia Gardens Ltd, Groundfloor, 483 Greenlanes, London, Gre, N13 £87,484
Des Contract Ltd, Southgate, London, Greater London, N14 £87,772
Multiarch Building Services Ltd, London, N13 £87,748
EVS ARCHITECTURE & CONSTRUCTION LTD, London, N14 £87,916
Bzone Builders, Botany Bay, EN2 £87,832
M & A Builders Ltd, Palmers Green, N13 £87,832
Grand Lion Group, London, N14 £87,916
AL Plumbing & Electrical, Enfield, EN1 £87,916
Tdb onsite, Enfield, EN1 £87,832
B&B London Construction Ltd, Enfield, EN1 £87,832
Artifex Building & Carpentry Limited, Southgate, N14 £87,916
The Orchid Group, 4 Chase Side, enfield, EN2 £87,772
Drutu Building Services, Enfield, EN1 £87,784
TIPS CONSTRUCTION, London, Hertfordshire, N14 £87,760
Hassco Building Ltd, Greater London, N14 £87,916
Hassco Building Ltd, London, Greater London, N14 £87,772
Firtree Building Services Ltd, 36 Fir Tree Walk, Enfield, London, EN1 £87,748

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