| Old Market Place, Grimsby, Lincolnshire, England |
| Old Milton Road, New Milton, Hampshire, England |
| Old Monkton House, Honiton, Devon, England |
| Old Oast Place, Watermill Lane, Icklesham, Sussex, England |
| Old Rectory Cottage, East Horsley, Surrey, England |
| Old Road, Frinton-on-Sea, England |
| Old Stanley Palace, Chester, England |
| Old Station Road, Newmarket, Suffolk, England |
| Old Sugar Refinery, Mill Street, Plymouth, Devon, England |
| Old Sun Inn House, Alresford, Hampshire, England |
| Old Town, Beaconsfield, Buckinghamshire, England |
| Old Town, Beaconsfield, Buckinghamshire, England |
| Old Town Hall, Hastings, England |
| Old Tye Place, Merstham, Surrey, England |
| Olde Mint House, Pevensey, England |
| Ongar Road, London, England |
| Opposite Maiden's Head Hotel, Uckfield, Sussex, England |
| Opposite Spread Eagle, Midhurst, Sussex, England |
| Orbell House, Castle Hedingham, Essex, England |
| Orchard Street, Chichester, England |