This is a list of the Unique Property Reference Numbers (UPRNs) in the BD18 1LL area. These are the unique identifiers for every addressable location in the postcode. Unfortunately the actual addresses are not freely available. There are 48 UPRNs in the BD18 1LL postcode.
| UPRN | Address | Road | Latitude | Longitude |
|---|---|---|---|---|
| 10010586220 | Get address | Westfield Lane | 53.832488 | -1.748498 |
| 10010587140 | Get address | Welwyn Avenue | 53.831239 | -1.748642 |
| 10015732795 | Get address | Westfield Lane | 53.832379 | -1.747967 |
| 10024290642 | Get address | Welwyn Avenue | 53.830726 | -1.748342 |
| 10025994421 | Get address | Welwyn Avenue | 53.830771 | -1.748311 |
| 10090125853 | Get address | Westfield Lane | 53.833503 | -1.748082 |
| 10090125855 | Get address | Low Ash Road | 53.833743 | -1.75115 |
| 10090125884 | Get address | Low Ash Road | 53.834163 | -1.750175 |
| 10090125924 | Get address | Westfield Lane | 53.831777 | -1.747925 |
| 10090125935 | Get address | Westfield Lane | 53.832379 | -1.747967 |
| 10090125939 | Get address | Westfield Lane | 53.832363 | -1.748772 |
| 10090125943 | Get address | Westfield Lane | 53.832198 | -1.747619 |
| 10090126870 | Get address | Westfield Lane | 53.832163 | -1.747877 |
| 10090126871 | Get address | Westfield Lane | 53.832082 | -1.747817 |
| 10090161936 | Get address | Welwyn Avenue | 53.830789 | -1.74828 |
| 10090403628 | Get address | Westfield Lane | 53.831776 | -1.747834 |
| 100051292933 | Get address | Welwyn Avenue | 53.830716 | -1.747977 |
| 100051292934 | Get address | Welwyn Avenue | 53.831022 | -1.747884 |
| 100051292935 | Get address | Welwyn Avenue | 53.83077 | -1.748113 |
| 100051292936 | Get address | Welwyn Avenue | 53.831112 | -1.747975 |
| 100051292937 | Get address | Welwyn Avenue | 53.830797 | -1.748159 |
| 100051292938 | Get address | Welwyn Avenue | 53.831139 | -1.74802 |
| 100051292939 | Get address | Welwyn Avenue | 53.830906 | -1.748356 |
| 100051292940 | Get address | Welwyn Avenue | 53.831202 | -1.748141 |
| 100051292941 | Get address | Welwyn Avenue | 53.830933 | -1.748416 |
| 100051292942 | Get address | Welwyn Avenue | 53.831229 | -1.748202 |
| 100051292943 | Get address | Welwyn Avenue | 53.831068 | -1.748689 |
| 100051292944 | Get address | Welwyn Avenue | 53.831292 | -1.748308 |
| 100051292945 | Get address | Welwyn Avenue | 53.831095 | -1.74875 |
| 100051292946 | Get address | Welwyn Avenue | 53.83131 | -1.748353 |
| 100051292947 | Get address | Welwyn Avenue | 53.831195 | -1.748947 |
| 100051292948 | Get address | Welwyn Avenue | 53.831382 | -1.74849 |
| 100051292949 | Get address | Welwyn Avenue | 53.831231 | -1.749007 |
| 100051292950 | Get address | Welwyn Avenue | 53.831409 | -1.748535 |
| 100051292951 | Get address | Welwyn Avenue | 53.831366 | -1.74928 |
| 100051292952 | Get address | Welwyn Avenue | 53.831464 | -1.748641 |
| 100051292953 | Get address | Welwyn Avenue | 53.831384 | -1.74931 |
| 100051292954 | Get address | Welwyn Avenue | 53.831491 | -1.748702 |
| 100051292955 | Get address | Welwyn Avenue | 53.831483 | -1.749537 |
| 100051292956 | Get address | Welwyn Avenue | 53.831554 | -1.748838 |
| 100051292957 | Get address | Welwyn Avenue | 53.83151 | -1.749583 |
| 100051292958 | Get address | Welwyn Avenue | 53.831581 | -1.748883 |
| 100051292959 | Get address | Welwyn Avenue | 53.831644 | -1.749005 |
| 100051292960 | Get address | Welwyn Avenue | 53.831671 | -1.749065 |
| 100051292961 | Get address | Welwyn Avenue | 53.831725 | -1.749171 |
| 100051292962 | Get address | Welwyn Avenue | 53.831752 | -1.749217 |
| 100051292963 | Get address | Welwyn Avenue | 53.831807 | -1.749323 |
| 100051292964 | Get address | Welwyn Avenue | 53.831834 | -1.749368 |