The Walthamstow Pumphouse Museum is a museum based in Walthamstow, in the London Borough of Waltham Forest. It is based in and around Low Hall Pumping Station, a Grade II listed building, originally built as a sewage pumping station in 1885.
The museum focuses on the pioneering breakthroughs in road, rail, air and sea transport, that occurred in Waltham Forest and the surrounding area,. These achievements include the first British motorcar and the first all British aircraft, which first flew from Walthamstow Marshes.
The museum displays various artifacts, including AEC Routemaster buses, a pair of Marshall C class steam engines, and various fire fighting vehicles.
Also included in the museum's collection is a decommissioned London Underground 1967 Stock Victoria line carriage that is frequently used as a film set, concert venue for Underground Lunchtime Recitals and as a supper club three nights per week.
In 2025, the museum merged with the nearby Markfield Beam Engine and Museum to form the Heritage and Communities Trust.