| 18 Castle Lane, Belfast, Ireland |
| 18 Castle Street, Exeter, Devon, England |
| 18 Charlotte Street, Dublin, Ireland |
| 18 Chepstow Mansions, London, England |
| 18 Church Street, Hereford, England |
| 18 Churchill Avenue, Haverhill, Suffolk, England |
| 18 Cistern Street, Totnes, Devon, England |
| 18 Clifford Street, London, England |
| 18 Crawford Street, W1, London, England |
| 18 Crow Tree Road, Sunderland, Durham, England |
| 18 Donegall Street, Belfast, Northern Ireland |
| 18 Duck Lane, Soho W., London, England |
| 18 Duke Street, Dublin, Ireland |
| 18 East 57th Street, New York, USA |
| 18 East 79th Street, New York, USA |
| 18 Eastgate, Exeter, England |
| 18 Eldon Square, Newcastle-upon-Tyne, England |
| 18 Featherstone Buildings, High Holborn, W.C.1, London, England |
| 18 Goodge Place, London, England |
| 18 Grafton Street, London, England |