| 20 Alfred Place West, South Kensington, London, England |
| 20 Angel Street, Hadleigh, Suffolk, England |
| 20 Beauchamp Place, SW3, London, England |
| 20 Bloomsbury Street, WC1, London, England |
| 20 Brompton Road, S.W.1, London, England |
| 20 Brompton Road, London, England |
| 20 Buchanan Street, Balfron, Stirlingshire, Scotland |
| 20 Castle Green, Tower Street, Bristol, England |
| 20 Charles Street, Wrexham, Wales |
| 20 Cheap Street, Frome, Somerset, England |
| 20 Chepstow Corner, London, England |
| 20 Chepstow Mansions, London, England |
| 20 Cotham Hill, Bristol, England |
| 20 Cromer Road, London, England |
| 20 Cross Street, Ryde, Isle of Wight, England |
| 20 Davies Street, W1, London, England |
| 20 Dock Street, Dundee, Scotland |
| 20 Dover Street, Dover Street, W.1, London, England |
| 20 Drury Court, Strand, London, England |
| 20 Duke Street, Henley-on-Thames, England |