This is a list of the Unique Property Reference Numbers (UPRNs) in the S21 4AX area. These are the unique identifiers for every addressable location in the postcode. Unfortunately the actual addresses are not freely available. There are 69 UPRNs in the S21 4AX postcode.
| UPRN | Address | Road | Latitude | Longitude |
|---|---|---|---|---|
| 10025261084 | Get address | Castle Hill | 53.311028 | -1.356934 |
| 10034490152 | Get address | Ladybank View | 53.312022 | -1.359501 |
| 10034491390 | Get address | Castle Hill Close | 53.31137 | -1.356959 |
| 10034492912 | Get address | Castle Hill | 53.312163 | -1.360669 |
| 10034495920 | Get address | Pinfold Street | 53.310592 | -1.357736 |
| 100030216059 | Get address | Castle Hill | 53.310729 | -1.356383 |
| 100030216060 | Get address | Castle Hill | 53.310928 | -1.356605 |
| 100030216061 | Get address | Castle Hill | 53.311135 | -1.356737 |
| 100030216062 | Get address | Castle Hill | 53.311181 | -1.356827 |
| 100030216063 | Get address | Castle Hill | 53.311217 | -1.356961 |
| 100030216064 | Get address | Castle Hill | 53.311218 | -1.357081 |
| 100030216065 | Get address | Castle Hill | 53.311174 | -1.357247 |
| 100030216066 | Get address | Castle Hill | 53.311129 | -1.357323 |
| 100030216067 | Get address | Castle Hill | 53.311076 | -1.357414 |
| 100030216068 | Get address | Castle Hill | 53.311031 | -1.357474 |
| 100030216069 | Get address | Castle Hill | 53.310978 | -1.35758 |
| 100030216070 | Get address | Castle Hill | 53.310924 | -1.357641 |
| 100030216072 | Get address | Castle Hill | 53.310871 | -1.357762 |
| 100030216074 | Get address | Castle Hill | 53.310827 | -1.357853 |
| 100030216076 | Get address | Castle Hill | 53.310773 | -1.357943 |
| 100030216078 | Get address | Castle Hill | 53.310737 | -1.357989 |
| 100030216080 | Get address | Castle Hill | 53.310657 | -1.35814 |
| 100030216082 | Get address | Castle Hill | 53.310595 | -1.358171 |
| 100030216084 | Get address | Castle Hill | 53.310433 | -1.358174 |
| 100030216087 | Get address | Castle Hill | 53.310388 | -1.358249 |
| 100030216089 | Get address | Castle Hill | 53.310434 | -1.358474 |
| 100030216091 | Get address | Castle Hill | 53.31048 | -1.358563 |
| 100030216093 | Get address | Castle Hill | 53.310534 | -1.358667 |
| 100030216095 | Get address | Castle Hill | 53.310571 | -1.358742 |
| 100030216097 | Get address | Castle Hill | 53.310599 | -1.358922 |
| 100030216099 | Get address | Castle Hill | 53.310599 | -1.359027 |
| 100030216101 | Get address | Castle Hill | 53.310573 | -1.359192 |
| 100030216103 | Get address | Castle Hill | 53.310658 | -1.360001 |
| 100030216105 | Get address | Castle Hill | 53.310748 | -1.36006 |
| 100030216107 | Get address | Castle Hill | 53.310803 | -1.360074 |
| 100030216109 | Get address | Castle Hill | 53.310884 | -1.360133 |
| 100030216111 | Get address | Castle Hill | 53.310947 | -1.360162 |
| 100030216113 | Get address | Castle Hill | 53.311037 | -1.360221 |
| 100030216115 | Get address | Castle Hill | 53.311091 | -1.360265 |
| 100030216117 | Get address | Castle Hill | 53.31156 | -1.360453 |
| 100030216119 | Get address | Castle Hill | 53.311623 | -1.360482 |
| 100030216121 | Get address | Castle Hill | 53.311695 | -1.360511 |
| 100030216123 | Get address | Castle Hill | 53.311758 | -1.36054 |
| 100030216125 | Get address | Castle Hill | 53.311866 | -1.360509 |
| 100030216127 | Get address | Castle Hill | 53.31192 | -1.360538 |
| 100030216129 | Get address | Castle Hill | 53.312035 | -1.360191 |
| 100030216131 | Get address | Castle Hill | 53.312061 | -1.3601 |
| 100030216133 | Get address | Castle Hill | 53.31206 | -1.35995 |
| 100030216135 | Get address | Castle Hill | 53.312078 | -1.359845 |
| 100030216137 | Get address | Castle Hill | 53.312104 | -1.359725 |
| 100030216139 | Get address | Castle Hill | 53.312121 | -1.359619 |
| 100030216141 | Get address | Castle Hill | 53.312157 | -1.359499 |
| 100030216143 | Get address | Castle Hill | 53.312174 | -1.359393 |
| 100030216145 | Get address | Castle Hill | 53.3122 | -1.359258 |
| 100030216147 | Get address | Castle Hill | 53.312218 | -1.359168 |
| 100030216149 | Get address | Castle Hill | 53.312253 | -1.359032 |
| 100030216151 | Get address | Castle Hill | 53.312271 | -1.358942 |
| 100030216153 | Get address | Castle Hill | 53.312306 | -1.358806 |
| 100030216155 | Get address | Castle Hill | 53.312323 | -1.358701 |
| 100030216157 | Get address | Castle Hill | 53.312349 | -1.358565 |
| 100030216159 | Get address | Castle Hill | 53.312376 | -1.358475 |
| 100030216160 | Get address | Castle Hill | 53.312312 | -1.358311 |
| 100030216161 | Get address | Castle Hill | 53.312258 | -1.358266 |
| 100030216162 | Get address | Castle Hill | 53.312186 | -1.358207 |
| 100030216163 | Get address | Castle Hill | 53.312123 | -1.358163 |
| 100030216164 | Get address | Castle Hill | 53.311707 | -1.357764 |
| 100030216165 | Get address | Castle Hill | 53.311653 | -1.35772 |
| 100030216166 | Get address | Castle Hill | 53.311571 | -1.357631 |
| 100030216167 | Get address | Castle Hill | 53.311526 | -1.357572 |