Yes, London black cabs still accept cash in 2026, but it is no longer the primary or required method of payment. Since 2016, Transport for London (TfL) has mandated that every licensed taxi must accept credit, debit, and contactless payments (like Apple Pay or Google Pay). In 2026, you will find a card terminal fixed in the passenger compartment of every cab, ensuring your card never leaves your sight. While many drivers actually prefer digital payments for safety and ease of accounting, cash is still legally valid and useful as a backup if a terminal has a rare technical glitch or if you are in a low-signal area. It is a supportive tip to remember that there is no extra fee for using a card in a London taxi; the price on the meter is the price you pay, and tipping via the card machine is a standard, easy process that usually offers pre-set percentages.