This is a list of the Unique Property Reference Numbers (UPRNs) in the GL51 3YB area. These are the unique identifiers for every addressable location in the postcode. Unfortunately the actual addresses are not freely available. There are 29 UPRNs in the GL51 3YB postcode.
| UPRN | Address | Road | Latitude | Longitude |
|---|---|---|---|---|
| 10000480549 | Get address | Thornhaugh Mews | 51.881459 | -2.114839 |
| 100120402689 | Get address | Welwyn Mews | 51.882088 | -2.114855 |
| 100120402690 | Get address | Welwyn Mews | 51.882061 | -2.114797 |
| 100120402691 | Get address | Welwyn Mews | 51.882043 | -2.114739 |
| 100120402692 | Get address | Welwyn Mews | 51.882008 | -2.114651 |
| 100120402693 | Get address | Welwyn Mews | 51.881999 | -2.114608 |
| 100120402694 | Get address | Welwyn Mews | 51.881981 | -2.11455 |
| 100120402695 | Get address | Welwyn Mews | 51.881963 | -2.11423 |
| 100120402696 | Get address | Welwyn Mews | 51.881945 | -2.114244 |
| 100120402697 | Get address | Welwyn Mews | 51.881909 | -2.114273 |
| 100120402698 | Get address | Welwyn Mews | 51.881873 | -2.114302 |
| 100120402699 | Get address | Welwyn Mews | 51.881792 | -2.114346 |
| 100120402700 | Get address | Welwyn Mews | 51.881756 | -2.114375 |
| 100120402701 | Get address | Welwyn Mews | 51.881729 | -2.114404 |
| 100120402702 | Get address | Welwyn Mews | 51.881693 | -2.114433 |
| 100120402703 | Get address | Welwyn Mews | 51.881486 | -2.114519 |
| 100120402704 | Get address | Welwyn Mews | 51.881486 | -2.114519 |
| 100120402705 | Get address | Welwyn Mews | 51.881504 | -2.114563 |
| 100120402706 | Get address | Welwyn Mews | 51.881504 | -2.114563 |
| 100120402707 | Get address | Welwyn Mews | 51.881513 | -2.114636 |
| 100120402708 | Get address | Welwyn Mews | 51.881513 | -2.114636 |
| 100120402709 | Get address | Welwyn Mews | 51.881522 | -2.114679 |
| 100120402710 | Get address | Welwyn Mews | 51.881522 | -2.114679 |
| 100120402711 | Get address | Welwyn Mews | 51.88163 | -2.114738 |
| 100120402712 | Get address | Welwyn Mews | 51.881657 | -2.11481 |
| 100120402713 | Get address | Welwyn Mews | 51.881756 | -2.114854 |
| 100120402714 | Get address | Welwyn Mews | 51.881782 | -2.114912 |
| 100120402715 | Get address | Welwyn Mews | 51.8818 | -2.114956 |
| 100120402716 | Get address | Welwyn Mews | 51.881818 | -2.115014 |