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"How much should a taxi cost?" is one of the most-searched London travel questions — because the honest answer is "it depends on which of three completely different pricing systems you're in." This guide breaks all three down with 2026 numbers: the black cab meter, app dynamic pricing, and fixed-fare private hire, then shows typical prices on the routes people actually take.
London's iconic black cabs charge via a TfL-regulated meter combining distance and time, across three tariffs:
Because time counts, congestion is expensive: a 2-mile hop through gridlocked Soho can cost more than 4 free-flowing miles. Expect roughly £3–£5 per mile in typical conditions, more in heavy traffic. Black cabs are excellent for availability and knowledge — you pay a premium for the meter's unpredictability.
Ride apps quote upfront, but the quote is generated by demand at that second. Base prices undercut black cabs off-peak, then multiply during rush hours, rain, events and late nights — commonly 1.5x–2.5x. The same journey can genuinely cost £22 or £58 depending on when you tap the button. We cover this fully in Fixed-Fare vs Surge Pricing.
Licensed private hire operators quote a single fixed price at booking based on distance and vehicle type. It doesn't change with traffic, time of day or demand. Typical effective rates in 2026 are £2.50–£3.50 per mile on longer journeys, with airport routes priced as flat point-to-point fares.
| Route | Black cab (meter) | App (range) | Fixed fare |
|---|---|---|---|
| Heathrow → Central London | £60–£80 | £28–£85 | £35–£55 |
| Gatwick → Central London | £100–£130 | £55–£120 | £60–£85 |
| King's Cross → Canary Wharf | £28–£40 | £16–£38 | £22–£30 |
| Central London → Stansted | £110–£150 | £60–£130 | £70–£95 |
| Dartford → Central London | £55–£75 | £35–£80 | £40–£55 |
For anything beyond a short hop — and for all airport journeys — a pre-booked fixed fare is usually cheaper. Black cabs win on instant availability in central London.
Black cab tariffs do, and app prices usually surge. Fixed private hire fares stay identical around the clock.
Any notice helps; 24 hours guarantees vehicle choice. See when to book airport transfers.