This is a list of the Unique Property Reference Numbers (UPRNs) in the AL3 6BY area. These are the unique identifiers for every addressable location in the postcode. Unfortunately the actual addresses are not freely available. There are 20 UPRNs in the AL3 6BY postcode.
| UPRN | Address | Road | Latitude | Longitude |
|---|---|---|---|---|
| 10001063559 | Get address | Francis Avenue | 51.767141 | -0.335053 |
| 10001064025 | Get address | Old Harpenden Road | 51.769168 | -0.334007 |
| 10015289757 | Get address | Heathlands Drive | 51.767285 | -0.335018 |
| 100080851704 | Get address | Heathlands Drive | 51.767288 | -0.335236 |
| 100080851706 | Get address | Heathlands Drive | 51.767342 | -0.335219 |
| 100080851708 | Get address | Heathlands Drive | 51.767422 | -0.335173 |
| 100080851710 | Get address | Heathlands Drive | 51.767466 | -0.335128 |
| 100080851712 | Get address | Heathlands Drive | 51.767618 | -0.335049 |
| 100080851714 | Get address | Heathlands Drive | 51.767681 | -0.335062 |
| 100080851716 | Get address | Heathlands Drive | 51.767841 | -0.334954 |
| 100080851718 | Get address | Heathlands Drive | 51.767975 | -0.334877 |
| 100080851720 | Get address | Heathlands Drive | 51.768145 | -0.334827 |
| 100080851721 | Get address | Heathlands Drive | 51.768261 | -0.334779 |
| 100080851723 | Get address | Heathlands Drive | 51.768404 | -0.334716 |
| 100080851725 | Get address | Heathlands Drive | 51.768485 | -0.33467 |
| 100080851727 | Get address | Heathlands Drive | 51.768538 | -0.334653 |
| 100080851729 | Get address | Heathlands Drive | 51.768637 | -0.334606 |
| 100080851731 | Get address | Heathlands Drive | 51.768781 | -0.334615 |
| 100080851733 | Get address | Heathlands Drive | 51.768983 | -0.334941 |
| 100080851735 | Get address | Heathlands Drive | 51.769047 | -0.334403 |