Route 21
Chambers Road ↔ Molesworth Street
Roam Intelligence
LIVE›Routes 21 43 and 141 are on diversion southbound only until 19:00 on 1 November 2026 due to major roadworks. Buses are diverted via South Place, Eldon Street, Blomfield Street, London Wall, Bishopsgate and Gracechurch Street, missing stops from Moorgate Station (L) to King William Street / Monument Station (G).
Live Departures
No buses due right now
Every London bus is wheelchair-accessible with a low floor and ramp. Refreshes every 15s.
All Stops
Crowd Forecast
Forecast — based on rush hour patterns, local events and live status. Not a live count.
Popular Journeys
Chambers Road to Molesworth Street
Chambers Road → Molesworth Street
End to end — the full run of the route in one bus.
Chambers Road to Highbury & Islington
Chambers Road → Highbury & Islington
A one-seat ride to the route's main interchange.
Highbury & Islington to Molesworth Street
Highbury & Islington → Molesworth Street
Pick it up at the interchange and ride it to the end.
What's Nearby
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Service Alerts
KING WILLIAM STREET, City of London: Routes 21 43 and 141 are on diversion southbound only until 19:00 on 1 November 2026 due to major roadworks. Buses are diverted via South Place, Eldon Street, Blomfield Street, London Wall, Bishopsgate and Gracechurch Street, missing stops from Moorgate Station (L) to King William Street / Monument Station (G).
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Departure reminders
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