The Layers of London website https://www.layersoflondon.org/ is a map-based history website developed by the Institute of Historical Research. Users can access free historic maps of London and contribute stories, memories and histories to create a social history resource about their area. A team member explains more about the project that strongly encourages participation. If you have one, bring along a smartphone, tablet or laptop with web access.
Chingford Historical Society at Chingford Church of England Primary School, Junior Site, Cambridge Road (Station Road E4 > Richmond Road > Cambridge Road), London E4 7BP. Non-members £2.