St. James Street is a railway station on the Chingford branch of the Lea Valley lines, located in Walthamstow in the London Borough of Waltham Forest, east London. It is 5 miles 55 chains (9.2 km) down the line from London Liverpool Street and is situated between Clapton and Walthamstow Central. It has been operated by London Overground since 2015. The station is in Travelcard Zone 3.