| 21 Benveden Street, City Road, N.1, London, England |
| 21 Berners Street, London, England |
| 21 Bridge Street, Bideford, Devon, England |
| 21 Broad Street, Bath, England |
| 21 Bury Street, W.C.1, London, England |
| 21 Caerleon Road, Newport, Monmouthshire, Wales |
| 21 Castle Gates, Shrewsbury, England |
| 21 Cathedral Close, Exeter, Devon, England |
| 21 Charles Street, St. James', S W, London, England |
| 21 Comberton Hill, Kidderminster, Worcestershire, England |
| 21 Dove Street, Norwich, England |
| 21 Eld Lane, Colchester, Essex, England |
| 21 Friar Street, Worcester, England |
| 21 Friars Walk, Lewes, Sussex, England |
| 21 Fromefield, Frome, Somerset, England |
| 21 George Street, St. Albans, England |
| 21 Gosport Street, Lymington, Hampshire, England |
| 21 Grafton Street, London, England |
| 21 Henley Street, Stratford-upon-Avon, England |
| 21 High Street, Nuneaton, Warwickshire, England |