Route N21
Trafalgar Square / Charing Cross Stn ↔ Geddes Place
Roam Intelligence
LIVE›Route N21 is on diversion towards Bexleyheath only until 19:00 on 1 November 2026 due to major roadworks. Buses are diverted via Cannon Street, missing stops Bank Station / Poultry (K) and King William Street / Monument Station (G).
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Every London bus is wheelchair-accessible with a low floor and ramp. Refreshes every 15s.
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Service Alerts
KING WILLIAM STREET, City of London: Route N21 is on diversion towards Bexleyheath only until 19:00 on 1 November 2026 due to major roadworks. Buses are diverted via Cannon Street, missing stops Bank Station / Poultry (K) and King William Street / Monument Station (G).
ELTHAM ROAD SE12: Road closed westbound from Monday 17 August 09:00 to Sunday 13 September 17:00, due to gas main replacement works. ROUTES 122, 178, 321, 621 and N21 towards Lee Green will be diverted via Sidcup Road and Burnt Ash Road. STOPS NOT SERVED: Eltham Road/Kidbrooke Park Road (WS), Courtlands Avenue (WT), Weigall Road (WU), Cambridge Drive (X), Lee Green (J).
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