Bellmoor Hampstead Heath the svrface of the soil is here 435ft 7" above sea level or 16fr 7" higher than the Saint Pavl's Cross

https://knowyourlondon.wordpress.com/2020/05/29/bellmoor-house-plaque/

Bell Moor flats, 2a East Heath Road, Hampstead, London
Google Streetview OpenStreetMap

Colour: slate

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