| Orchard Street, W.1, London, England |
| Oriel Cottage, Christchurch Street, Frome, Somerset, England |
| Oriel House, 49 Broad Street, Ludlow, England |
| Ormeley Lodge, Ham Common, Ham, Ham London, Middlesex, England |
| Ormond Place, Promenade, Cheltenham, England |
| Orwell House, Station Street, Swaffham, Norfolk, England |
| Orwell Road, Felixstowe, Suffolk, England |
| Osborne Street, Grimsby, Lincolnshire, England |
| Oswald Road, Oswestry, Shropshire, England |
| Overhanging Steps, Brixham, Devon, England |
| Oxford Buildings, High Street, Cheltenham, England |
| Oxford Circus House, London, England |
| Oxford Street, Woodstock, Oxfordshire, England |
| Oxford Street, Workington, Cumberland, England |
| Palace Buildings, Park Road, Wellingborough, Northamptonshire, England |
| Palace Hotel Buildings, Oban, Scotland |
| Palace Street, Canterbury, Kent, England |
| Pall Mall Place, London, England |
| Pall Mall Place, London, England |
| Pall Mall Safety Deposit, 10 St. Alban's Street, Haymarket, SW1, London, England |