PINNER. Hatch End North Harrow Eastcote Royston Park Westfield Park 1937 map'Hatch End, Pinner, Pinner Green, Royston Park, Westfield Park , Woodridings, North Harrow' Map section #23 This map is one section from a 1937 Street Atlas of Greater London. This section of the map depicts the following suburbs in 1937: Hatch End,Pinner,Pinner Green,Royston Park,Westfield Park ,Woodridings, North Harrow The maps in this series show London during the rapid interwar suburban expansion. Many areas shown in the outer suburbs as