Harrow two storey extensions from £87,772

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Cost of a two storey extension in Harrow

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 Harrow?

Costs range from £87,772 (TAAJ Construction based in HA1) to £88,000 (K Mccormack based in HA1), 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 Harrow

Estimates for common extension builder jobs in Harrow;

JobEstimate
Underpinning a house£17,403
Build a two storey extension£87,855
Build a timber frame extension£25,903
Install a swimming pool£80,903
Cost to build a single storey extension£53,061
Cost to build a side return extension£40,409
Install an RSJ£2,103
Build an outbuilding£9,903
Build a mansard loft conversion£51,903
Cost of a loft conversion£32,841
Build a kitchen extension£41,903
Build a hip to gable loft conversion£41,903
Build a granny annexe£86,903
Build a garden office£9,903
Convert a garage£15,903
Build a new garage£18,403
Build a flat roof extension£21,903
Build a dormer loft conversion£41,903
Lay a concrete foundation£6,153
Convert a bungalow loft£28,903
Basement conversion cost£36,409
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Two storey extension cost in Harrow
Estimate Two storey extension cost in Harrow based on hourly/daily rate (excluding VAT or callout charges)
Business name Two storey extension cost
TAAJ Construction, Wembley, Wembley, Greater London, HA1 £87,772
Taaj design and build, Greater London, HA1 £87,916
G. Building Services Ltd, Harrow, HA1 £87,784
DS Build & Design, Harrow, HA1 £87,832
PJC Improvements LTD, Middlesex, HA1 £87,916
K Mccormack, Harrow, HA1 £88,000
JJSR Construction Ltd, Harrow, HA1 £87,832
Prospective Builders Ltd, Greater London, HA1 £87,916
F&V CONSTRUCTION LTD, Greater London, HA3 £87,916
BUILDING SERVICES (UK) LTD, Wealdstone, HA3 £87,796
A D C BUILDERS, Harrow, HA1 £87,820
Stamp Design & Build Ltd, Harrow, HA1 £87,832
Hexaform, Greater London, HA3 £87,940
Franco Building, Harrow, HA1 £87,784
BBS & sons construction uk ltd, Harrow, HA2 £87,796
Tailored Developments, Harrow, Greater London, HA2 £87,784
Tailored Developments, Greater London, HA2 £87,940
BUILDING EXPERTS LTD, Wealdstone, HA3 £87,796
FM Building Ltd, Harrow, HA1 £87,916
P Connolly Builders, Sudbury, HA0 £87,796
PANCON CONSTRUCTION LIMITED, Wealdstone, HA3 £87,820
MGJ Construction House Renovation, Greater London, HA2 £87,916
West7Services UK, Greater London, ha2 £87,940
RLC Construction, Rayners Lane, HA2 £87,832
Parrot Builders, Harrow, HA3 £87,772

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