Check house numbering - 11A Randall Place, 18H Milton Road

Check if 22B exists

Check which building is 18A

Check numbering of houses

Check if this is 104A or 104B and if both exist

Check if a 21 Constable Cres here

Check if 53A / 55A McGrath St exist

Work out how these addresses are split up

Check if 152A Nelson Cres exists

Check if 3A and 3B here