Wood Street is a railway station on the Chingford branch of the Lea Valley lines, located in Upper Walthamstow in the London Borough of Waltham Forest, east London. It is 7 miles 7 chains (11.4 km) down the line from London Liverpool Street and is situated between Walthamstow Central and Highams Park. It has been operated by London Overground since 2015. It is also occasionally known as "Walthamstow Wood Street". The station is in Travelcard Zone 4. The station is close to Whipps Cross University Hospital.