We may be missing a "Kentish Town Health Centre" around here, maybe part of a big building (residential?) I see in bing ...Needs survey, but this is according to a Camden Council open dataset on polling stations: http://harrywood.co.uk/maps/map-my-data2.html?url=https%3A%2F%2Fopendata.camden.gov.uk%2Fresource%2Ftdwv-zwut.json