London Bus 21

Bus 21 in London links Lewisham Centre and Caledonian Road. The route is 0.0 km long with 51 stops, and the official schedule from Transport for London puts the full trip at about 81 minutes. On a weekday it runs 129 trips in one direction, and 97 on a weekend day.

Route at a glance

Route of Bus 21

Outbound: Lewisham Centre → Caledonian Road

This direction has 51 stops. The route passes Lewisham Clock Tower, New Cross Road / Besson Street, Trinity Street / The Roebuck, Mintern Street. The full list of stops in order is below.

Inbound: Caledonian Road → Lewisham Centre

This direction has 53 stops. The route passes Parkhurst Road / Holloway Nags Head, Eagle Wharf Road, London Bridge Borough High St, Peckham Park Road. The full list of stops in order is below.

Schedule and frequency

According to the official schedule from Transport for London, the route runs 129 trips in one direction on a weekday, and 97 on a weekend day.

Frequency calculated from the departure table: in the morning peak buses run every 7–9 minutes, most often every 9; midday every 8–9 minutes; in the afternoon peak every 8–11; on weekends every 10–14 minutes.

Fare and payment

A single ride costs 1.75 £ — fare in effect since 5 July 2026. The same fare applies to buses in London.

A single bus or tram journey costs £1.75. The Hopper fare lets you make unlimited bus and tram journeys within one hour of your first tap at no extra charge. Daily spending is capped at £5.25; a 7 Day Bus & Tram Pass costs £24.70. London buses do not accept cash — pay by contactless or Oyster. Transfers within 60 minutes are free. Within the Hopper hour the transfers are free; you must tap the same card or device.

Frequently asked questions

How much does a ride on bus 21 cost?

1.75 £ for a single ride — fare in effect since 5 July 2026.

When do the first and last trips run?

From Lewisham Centre the first is at 00:04 and the last at 23:52. From Caledonian Road they are 00:04 and 23:52.

How long does the trip from Lewisham Centre to Caledonian Road take?

About 81 minutes end to end — the median of full trips in the official schedule.

How many stops does the route have?

51 outbound and 53 inbound according to the official GTFS feed. The two lists do not match exactly.

Does bus 21 run on weekends?

Yes. On weekends and holidays there are 97 trips in one direction, running from Lewisham Centre between 00:04 and 23:52.

Every route number with its termini, operating hours and travel time is collected in the London buses overview.

Data current as of August 22, 2026. Schedule and termini — Transport for London (TfL). Fares — Mayor of London, MD3517 July 2026 fare changes (Direction to TfL). Stop list, schedule and route geometry come from the official GTFS feed (Bus Open Data Service (BODS), version 20260822_025337).