Chiswick two storey extensions from £87,748

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Cost of a two storey extension in Chiswick

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 Chiswick?

Costs range from £87,748 (Starling Constructions Ltd based in W4) to £89,200 (Adrian Design Ltd based in W4), 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 Chiswick

Estimates for common extension builder jobs in Chiswick;

JobEstimate
Underpinning a house£17,431
Build a two storey extension£87,896
Build a timber frame extension£25,931
Install a swimming pool£80,931
Cost to build a single storey extension£53,618
Cost to build a side return extension£40,722
Install an RSJ£2,131
Build an outbuilding£9,931
Build a mansard loft conversion£51,931
Cost of a loft conversion£33,102
Build a kitchen extension£41,931
Build a hip to gable loft conversion£41,931
Build a granny annexe£86,931
Build a garden office£9,931
Convert a garage£15,931
Build a new garage£18,431
Build a flat roof extension£21,931
Build a dormer loft conversion£41,931
Lay a concrete foundation£6,181
Convert a bungalow loft£28,931
Basement conversion cost£36,722
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Two storey extension cost in Chiswick
Estimate Two storey extension cost in Chiswick based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
SxS Design & Build, Greater London, W4 £87,916
Kuta Design and Build Limited, Greater London, W4 £87,916
Starling Constructions Ltd, London, W4 £87,748
Arrow Design LTD, London, Londonderry, W4 £87,760
ASSEGAI DESIGN&BUILD, Chiswick, W4 £87,796
Elite London Construction, 9 Fisher's Lane, Chiswick, London, Greater London, W4 £87,760
Good Design and Build, London, Greater London, W4 £87,760
Guardian Developments, Londonderry, W4 £87,916
Zulufish, 26 Arlington Gardens, Chiswick, London, Greater London, W4 £87,760
Smart Property Sourcing, Midlothian, W4 £87,916
Pipedreams Interiors Ltd, 33c Saville Road, Chiswick, London, Greater London, W4 £87,916
Adrian Design Ltd, Chiswick , W4 £89,200
R Burton & Sons Builders, Chiswick, W4 £87,796
SW CHELSEA CONSTRUCTION, Greater London, W4 £87,916
Magill Travill Construction, Chiswick, W4 £87,832
Knight Refurbishment House Renovation, Greater London, W4 £87,916
P and J Roofing & Building Contractors Ltd, 35 Colville Road, London, Greater London, W3 £87,916
Specialist Screeding, Hammersmith, W6 £87,832
Hamilton King, Greater London, W4 £87,760
Raremade, Greater London, W3 £87,916
JOHN HOPWOOD DELTA CONSTRUCTION SERVICES, Chiswick, W4 £87,772
Shape Design & Build, Sun Studios, 30 Warple Way, London, Greater London, W3 £87,760
Nomex Design, Greater London, w3 £87,916
C H Westend, 380 Bollo Lane, London, Greater London, W3 £87,916
CHISWICK CONSTRUCTION LTD, Acton, W3 £87,796

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