HL
London Commuter Rail · South Western Railway
Hounslow Loop Line
The Hounslow Loop is a South Western Railway suburban service that leaves Waterloo and returns to it after looping through Putney, Barnes, Brentford, Hounslow, Whitton and Twickenham.
Operator
South Western Railway
London terminus
Waterloo
Outer terminus
Waterloo (loop via Hounslow)
Stations
12
Zones
Zones 2–5
Frequency
2 tph
Journey time
75 min full loop
Rolling stock
Class 701 Aventra / 458
About the Hounslow Loop Line
Trains run clockwise and anticlockwise; a full loop takes about 75 minutes and serves 12 west-London stations across Zones 2–5.
Hounslow and Brentford are popular destinations for Heathrow workers and football fans (Brentford Community Stadium).
Key stations on the Hounslow Loop Line
- VauxhallVictoria line interchange
- PutneyDistrict line interchange at East Putney
- BarnesWWT London Wetland Centre
- BrentfordBrentford FC, Kew Gardens nearby
- HounslowBorough HQ, Heathrow buses
- TwickenhamTwickenham Stadium (rugby)
FAQs about the Hounslow Loop Line
Why is it called the Hounslow Loop?
It forms a balanced loop out of Waterloo through Hounslow and back, with trains running in both directions.
Does the Hounslow Loop go to Heathrow?
No — the closest stations are Hounslow or Feltham (Reading line) for bus connections to the airport.
Can I use Oyster on the Hounslow Loop?
Yes — all stations are in Greater London (Zones 2–5).