WD3 two storey extensions from £87,760

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Cost of a two storey extension in WD3

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 WD3?

Costs range from £87,760 (Swan Windows & Son Limited based in WD3) 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 WD3

"Two storey extension"

WD3



Estimates for common extension builder jobs in WD3;

JobEstimate
Underpinning a house£17,516
Build a two storey extension£88,024
Build a timber frame extension£26,016
Install a swimming pool£81,016
Cost to build a single storey extension£55,320
Cost to build a side return extension£41,680
Install an RSJ£2,216
Build an outbuilding£10,016
Build a mansard loft conversion£52,016
Cost of a loft conversion£33,900
Build a kitchen extension£42,016
Build a hip to gable loft conversion£42,016
Build a granny annexe£87,016
Build a garden office£10,016
Convert a garage£16,016
Build a new garage£18,516
Build a flat roof extension£22,016
Build a dormer loft conversion£42,016
Lay a concrete foundation£6,266
Convert a bungalow loft£29,016
Basement conversion cost£37,680
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Two storey extension cost in WD3
Estimate Two storey extension cost in WD3 based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
Carlos Gurrea, Hertfordshire, WD3 £87,952
Swan Windows & Son Limited, 88a High St, Rickmansworth, Hertfordshir, WD3 £87,760
Timeless Interiors, Hertfordshire, WD3 £87,952
Cube Design, Herefordshire, WD3 £87,952
BALECOURT BUILDERS LIMITED, Rickmansworth, WD3 £87,844
D ROSE BUILDING SERVICES, Rickmansworth, WD3 £87,844
CLPM Limited, The Pavilion, Micklefield Hall, Sarratt Road, Sarratt, Rickmansworth, Hertfordshire, WD3 £87,784
MAINCORE BUILDING SERVICES LTD, Rickmansworth, WD3 £87,832
KATELL PROPERTY MAINTENANCE, Rickmansworth, WD3 £88,600
Saltbox Design and Build, Hertfordshire, WD3 £87,964
A&T Building, Watford, WD18 £87,832
Asset Lofts, 30 High Street, Harefield, Middlesex, UB9 £87,772
Hamilton Refurbishments, Great House Farm, Chenies, Buckinghamshire, WD3 £87,784
Design & Build Builders Ltd, Watford, WD18 £91,000
Frame Brickwork, West Watford, WD18 £87,844
Tonybuild, Watford, WD17 £87,844
Project Squared Construction Ltd, Hertfordshire, ha6 £87,952
S2M VENTURES LLP, West Lothian, HA6 £87,952
AV Home Improvements, Herts, WD19 £87,952
Coste + Beno Ltd, Greater London, HA6 £87,952
Coste + Beno Ltd, 20 Leaf Close,, Northwood,, London, Greater London, HA6 £87,796
Architectural Brickwork Services, Hertfordshire, WD19 £87,952
Daniel London, London, Greater London, HA6 £87,808
Velonia Interiors Ltd, Buckinghamshire, SL9 £87,832
1st Choice Builders UK, West Watford, WD18 £87,844

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