| 12 Royal Opera Arcade, Pall Mall, London, England |
| 12 Savile Street, Hull, England |
| 12 School Lane, Sprowston, Norfolk, England |
| 12 Sharon Road, London, England |
| 12 Ship Street, Brighton, England |
| 12 Sicilian Avenue, London, England |
| 12 Soho Street, London, England |
| 12 South John Street, Liverpool, England |
| 12 St. Albans Road, St. Annes-on-Sea, Lancashire, England |
| 12 St. Aldate Street, Gloucester, England |
| 12 St. Christopher's Place, Wigmore Street, W.1, London, England |
| 12 St. James Terrace, Buxton, Derbyshire, England |
| 12 St. Stephen's Lane, Ipswich, Suffolk, England |
| 12 Station Road, Totten, Southampton, England |
| 12 Sussex Street, Cambridge, England |
| 12 Sydney Street, S.W.3, London, England |
| 12 The Mall, Kensington, W.8, London, England |
| 12 Torwood Street, Torquay, Devon, England |
| 12 Union Street, Inverness, Scotland |
| 12 Union Street, Bath, England |