Honor Oak topographic map

Average elevation: 32 m

Westerham Heights, the highest point in London and Kent at an altitude of 804 feet (245 m), is on the southern boundary. The Prime Meridian passes through Bromley.

Average elevation: 104 m

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After Anderson died, ownership passed to the Nettlefold family and subsequently to Frederick Nettlefold the brother of Joseph Nettlefold and a member of the family that founded the Nettlefolds Ltd. engineering firm which later became GKN. Nettlefold is commemorated, as a result of his charitable works, by a…

Average elevation: 58 m

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Prior to the Anglian glaciation, a "proto-Mole-Wey" river was flowing northwards from the Weald and North Downs, through the "Finchley depression" and Palmers Green, to join the proto-Thames somewhere around Hoddesdon, at what is today an altitude of around 60 metres. It was this river which, during the course…

Average elevation: 41 m

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