Harry Coggins - London 1900ish

Harry Coggins, my grandfather, was born in London around the turn of the century.He married Laura Bolton around 1919-1920.He was a boot maker and had a shop in Church Street market, before moving to Edgware, Middlesex.Their surviving children are Sylvia, Leslie, Jean, Stan, Brian & Shirley.
If anyone could provide further information it would be much appreciate.