Under the proposals London would be given complete control over property taxes, including council tax, stamp duty and business rates. The London Finance Commission report also recommended giving the city the power to introduce new taxes, such as a levy on tourists, and greater freedom to borrow.
Mr Johnson said there was an "acute need for London to be able to better plan and finance the infrastructure needed to prosper and maintain a great quality of life, in the face of a decade of expansion".
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An inquest at Westminster Coroner's Court is examining the death of a man from Mitcham who died when his stairlift broke.
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Delays, diversions and cancellations caused chaos to services on South West Trains which were hit by signal failures in south west London.