The Mayor will be trying out the new east London Overground extension this morning.
The new line from Clapham Junction to Surrey Quays, marks the completion of a £1.5 billion project to create an orbital service circling the whole of the capital.
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The mayor hinted that certain cars could be entirely banned from London's streets in an effort to combat the city's "toxic" air.
The house built in the 1850s has three-bedrooms and two roof terraces.
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