The average bus between Harpenden and Clapham takes 2h 32m and the fastest bus takes 2h 1m. The bus runs at least 2 times per hour from Harpenden to Clapham. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Harpenden and Clapham. The earliest departure is at 4:41 AM at night, and the last departure from Harpenden is at 11:21 PM which arrives into Clapham at 1:38 AM. All services require a transfer at Black Boy PH and take an average of 2h 32m. The schedules shown below are for the next available departures.


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2h 18m • 2 changes
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2h 39m • 2 changes


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2h 25m • 2 changes


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2h 39m • 2 changes


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2h 39m • 2 changes
Want to know about travelling from Harpenden to Clapham? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Harpenden to Clapham. However, there are services departing from Harpenden station and arriving at Clapham station via Black Boy PH. The journey, including transfers, takes approximately 2h 32m.
Harpenden to Clapham bus services, operated by Arriva UK, depart from Old Cock Inn station.
Harpenden to Clapham bus services, operated by Arriva UK, arrive at Clapham Common station.
The distance between Harpenden and Clapham is 42.2 km. The road distance is 55 km.
You can take a bus from Old Cock Inn to Clapham Common via Black Boy PH, Marble Arch, and Marble Arch Station / Park Lane in around 2h 26m.