This is a list of the Unique Property Reference Numbers (UPRNs) in the HP1 3BT area. These are the unique identifiers for every addressable location in the postcode. Unfortunately the actual addresses are not freely available
| UPRN | Address | Road | Latitude | Longitude |
|---|---|---|---|---|
| 10002010096 | Great Gaddesden Church of England Primary School, Church Meadow | Church Meadow | 51.79078 | -0.509167 |