Just 2,227* votes decided the outcome of the last general election.

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Brentford and Isleworth

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Carshalton and Wallington

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Chingford and Woodford Green

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Chipping Barnet

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Croydon Central

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Dagenham and Rainham

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Eltham

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Enfield, Southgate

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Erith and Thamesmead

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Harrow East

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Harrow West

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Hendon

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Ilford North

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Putney

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Richmond Park

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Uxbridge and South Ruislip

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