London Bus N21

Bus N21 in London links Bexleyheath Clock Tower and Charing Cross. The route is 0.0 km long with 87 stops, and the official schedule from Transport for London puts the full trip at about 60 minutes. On a weekday it runs 9 trips in one direction.

Route at a glance

Route of Bus N21

Outbound: Bexleyheath Clock Tower → Charing Cross

This direction has 87 stops. The route passes Bexleyheath / Highland Road, Stationers’ Crown Woods Academy, Marischal Road, Trafalgar Avenue. The full list of stops in order is below.

Inbound: Charing Cross → Bexleyheath Clock Tower

This direction has 84 stops. The route passes Southampton Street / Covent Garden, Burgess Park / Dunton Road, Manor Park, Riefield 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 9 trips in one direction on a weekday.

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 N21 cost?

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

When do the first and last trips run?

From Bexleyheath Clock Tower the first is at 00:20 and the last at 04:20. From Charing Cross they are 00:35 and 04:35.

How long does the trip from Bexleyheath Clock Tower to Charing Cross take?

About 60 minutes end to end — the median of full trips in the official schedule.

How many stops does the route have?

87 outbound and 84 inbound according to the official GTFS feed. The two lists do not match exactly.

Does bus N21 run on weekends?

Yes, the route runs every day, with a separate weekend schedule.

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).