Here we are. TFL site states historic vehicles are ULEZ exempt, on the rolling 40 years old basis: https://tfl.gov.uk/modes/driving/ultra-low-emission-zone/discounts-and-exemptions#on-this-page-4
@Jonny69 started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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Here we are. TFL site states historic vehicles are ULEZ exempt, on the rolling 40 years old basis: https://tfl.gov.uk/modes/driving/ultra-low-emission-zone/discounts-and-exemptions#on-this-page-4