Walthamstow were formed in 1868 and have never been a League team . Their current league is Isthmian North Division.

Walthamstow were previously known as Pennant (until 1988), Pennant (until 1988), Walthamstow Pennant (until 1995), Leyton Pennant (until 2003) and Waltham Forest (until 2018).

http://www.walthamforest-fc.co.uk/index.php?option=com_content&view=frontpage&Itemid=1