Northwood two storey extensions from £85,060

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Cost of a two storey extension in Northwood

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 Northwood?

Costs range from £85,060 (Adams Build and Design LTD. based in Ha6) to £91,000 (Design & Build Builders Ltd based in WD18), 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 Northwood

Estimates for common extension builder jobs in Northwood;

JobEstimate
Underpinning a house£17,422
Build a two storey extension£87,883
Build a timber frame extension£25,922
Install a swimming pool£80,922
Cost to build a single storey extension£53,438
Cost to build a side return extension£40,622
Install an RSJ£2,122
Build an outbuilding£9,922
Build a mansard loft conversion£51,922
Cost of a loft conversion£33,018
Build a kitchen extension£41,922
Build a hip to gable loft conversion£41,922
Build a granny annexe£86,922
Build a garden office£9,922
Convert a garage£15,922
Build a new garage£18,422
Build a flat roof extension£21,922
Build a dormer loft conversion£41,922
Lay a concrete foundation£6,172
Convert a bungalow loft£28,922
Basement conversion cost£36,622
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Two storey extension cost in Northwood
Estimate Two storey extension cost in Northwood based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
Daniel London, London, Greater London, HA6 £87,808
Adams Build and Design LTD., Greater London, Ha6 £85,060
Coste + Beno Ltd, 20 Leaf Close,, Northwood,, London, Greater London, HA6 £87,796
Coste + Beno Ltd, Greater London, HA6 £87,952
Project Squared Construction Ltd, Hertfordshire, ha6 £87,952
S2M VENTURES LLP, West Lothian, HA6 £87,952
J B S Development & Construction Ltd, Pinner, HA5 £87,832
Excelsior Construction Ltd, Pinner, HA5 £87,832
AV Home Improvements, Herts, WD19 £87,952
RMB Building and Development Ltd, 1 Egerton Close, Pinner, Middlesex, HA5 £87,784
Sharp Building Ltd, Watford, WD19 £87,844
Ideal Place Construction Ltd, Watford, WD19 £88,000
C S C BUILDINGS LTD, Oxhey, WD19 £87,832
GRAPHENE, London, Greater London, HA5 £87,784
Cannon Build Solutions, Hartsbourne House, Watford, Hertfordshire, WD19 £87,808
G.L. Campbell Builders LTD, 18 Colchester Drive, Pinner, Middlesex, HA5 £87,784
Building Service and Support Ltd, Pinner, HA5 £87,820
Design & Build Builders Ltd, Watford, WD18 £91,000
Frame Brickwork, West Watford, WD18 £87,844
Oldfield Construction, London, Greater London, Ha4 £87,784
Architectural Brickwork Services, Hertfordshire, WD19 £87,952
Harrow Roofing and Building Limited, Middlesex, HA5 £87,928
none, Lancashire, HA5 £87,916
The Property Planner, Greater London, HA4 £87,928
DeHavilland Design & Build Limited, Greater London, HA4 £87,928

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