This page provides postcode data for the Cardiff UK Unitary Authority.
In 2021, Cardiff contained approximately 147,300 households with a population of about 362,400
In 2011, Cardiff contained approximately 142,598 households with a population of about 346,191
| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| CF23 8FJ | Pontprennau and Old St Mellons | 51.532368 | -3.139246 | 321073 | 182111 | ST210821 |
| CF23 8FN | Pontprennau and Old St Mellons | 51.540847 | -3.129955 | 321732 | 183044 | ST217830 |
| CF23 8FP | Pontprennau and Old St Mellons | 51.533112 | -3.139423 | 321062 | 182194 | ST210821 |
| CF23 8FR | Pontprennau and Old St Mellons | 51.532438 | -3.1403 | 321000 | 182120 | ST210821 |
| CF23 8FT | Pontprennau and Old St Mellons | 51.533957 | -3.126425 | 321965 | 182274 | ST219822 |
| CF23 8FX | Pontprennau and Old St Mellons | 51.533063 | -3.138975 | 321093 | 182188 | ST210821 |
| CF23 8GL | Pontprennau and Old St Mellons | 51.539971 | -3.137749 | 321190 | 182955 | ST211829 |
| CF23 8GS | Pontprennau and Old St Mellons | 51.540143 | -3.13399 | 321451 | 182970 | ST214829 |
| CF23 8GW | Pontprennau and Old St Mellons | 51.535771 | -3.14618 | 320598 | 182497 | ST205824 |
| CF23 8HA | Pentwyn | 51.529143 | -3.136152 | 321282 | 181749 | ST212817 |
| CF23 8HB | Pontprennau and Old St Mellons | 51.532664 | -3.142959 | 320816 | 182148 | ST208821 |
| CF23 8HD | Pontprennau and Old St Mellons | 51.532105 | -3.144069 | 320738 | 182087 | ST207820 |
| CF23 8HE | Pontprennau and Old St Mellons | 51.530799 | -3.136886 | 321234 | 181934 | ST212819 |
| CF23 8HF | Pontprennau and Old St Mellons | 51.531864 | -3.138311 | 321137 | 182054 | ST211820 |
| CF23 8HG | Pontprennau and Old St Mellons | 51.529114 | -3.135359 | 321337 | 181745 | ST213817 |
| CF23 8HH | Pentwyn | 51.520902 | -3.135702 | 321299 | 180832 | ST212808 |
| CF23 8HJ | Pontprennau and Old St Mellons | 51.52879 | -3.131689 | 321591 | 181705 | ST215817 |
| CF23 8HW | Pontprennau and Old St Mellons | 51.533162 | -3.142683 | 320836 | 182203 | ST208822 |
| CF23 8JZ | Pontprennau and Old St Mellons | 51.533171 | -3.142683 | 320836 | 182204 | ST208822 |
| CF23 8LA | Pontprennau and Old St Mellons | 51.535381 | -3.141902 | 320894 | 182449 | ST208824 |
| CF23 8LB | Pontprennau and Old St Mellons | 51.534598 | -3.141955 | 320889 | 182362 | ST208823 |
| CF23 8LD | Pontprennau and Old St Mellons | 51.533875 | -3.143277 | 320796 | 182283 | ST207822 |
| CF23 8LE | Pontprennau and Old St Mellons | 51.534602 | -3.145242 | 320661 | 182366 | ST206823 |
| CF23 8LF | Pontprennau and Old St Mellons | 51.535375 | -3.14258 | 320847 | 182449 | ST208824 |
| CF23 8LG | Pontprennau and Old St Mellons | 51.535057 | -3.145628 | 320635 | 182417 | ST206824 |
| CF23 8LH | Pontprennau and Old St Mellons | 51.535248 | -3.143571 | 320778 | 182436 | ST207824 |
| CF23 8LJ | Pontprennau and Old St Mellons | 51.536503 | -3.145765 | 320628 | 182578 | ST206825 |
| CF23 8LL | Pontprennau and Old St Mellons | 51.536709 | -3.141258 | 320941 | 182596 | ST209825 |
| CF23 8LN | Pontprennau and Old St Mellons | 51.533087 | -3.132762 | 321524 | 182184 | ST215821 |
| CF23 8LP | Pontprennau and Old St Mellons | 51.534889 | -3.140707 | 320976 | 182393 | ST209823 |
| CF23 8LQ | Pontprennau and Old St Mellons | 51.533935 | -3.139919 | 321029 | 182286 | ST210822 |
| CF23 8LR | Pontprennau and Old St Mellons | 51.53401 | -3.140512 | 320988 | 182295 | ST209822 |
| CF23 8LS | Pontprennau and Old St Mellons | 51.533869 | -3.141172 | 320942 | 182280 | ST209822 |
| CF23 8LT | Pontprennau and Old St Mellons | 51.534464 | -3.138188 | 321150 | 182343 | ST211823 |
| CF23 8LU | Pontprennau and Old St Mellons | 51.533543 | -3.137661 | 321185 | 182240 | ST211822 |
| CF23 8LW | Pontprennau and Old St Mellons | 51.532964 | -3.138064 | 321156 | 182176 | ST211821 |
| CF23 8LX | Pontprennau and Old St Mellons | 51.534604 | -3.139504 | 321059 | 182360 | ST210823 |
| CF23 8LY | Pontprennau and Old St Mellons | 51.5339 | -3.137943 | 321166 | 182280 | ST211822 |
| CF23 8LZ | Pontprennau and Old St Mellons | 51.542898 | -3.129891 | 321740 | 183272 | ST217832 |
| CF23 8NA | Pontprennau and Old St Mellons | 51.535895 | -3.147322 | 320519 | 182512 | ST205825 |
| CF23 8NB | Pontprennau and Old St Mellons | 51.535272 | -3.14846 | 320439 | 182444 | ST204824 |
| CF23 8ND | Pontprennau and Old St Mellons | 51.5353 | -3.147451 | 320509 | 182446 | ST205824 |
| CF23 8NE | Pontprennau and Old St Mellons | 51.533793 | -3.148019 | 320467 | 182279 | ST204822 |
| CF23 8NF | Pontprennau and Old St Mellons | 51.533713 | -3.146964 | 320540 | 182269 | ST205822 |
| CF23 8NG | Pontprennau and Old St Mellons | 51.533411 | -3.134557 | 321400 | 182222 | ST214822 |
| CF23 8NH | Pontprennau and Old St Mellons | 51.533173 | -3.134105 | 321431 | 182195 | ST214821 |
| CF23 8NJ | Pontprennau and Old St Mellons | 51.533484 | -3.13257 | 321538 | 182228 | ST215822 |
| CF23 8NL | Pontprennau and Old St Mellons | 51.536233 | -3.12912 | 321782 | 182530 | ST217825 |
| CF23 8NN | Pontprennau and Old St Mellons | 51.532476 | -3.133611 | 321464 | 182117 | ST214821 |
| CF23 8NP | Pontprennau and Old St Mellons | 51.531891 | -3.129935 | 321718 | 182048 | ST217820 |
| CF23 8NQ | Pontprennau and Old St Mellons | 51.53214 | -3.130287 | 321694 | 182076 | ST216820 |
| CF23 8NR | Pontprennau and Old St Mellons | 51.534167 | -3.132702 | 321530 | 182304 | ST215823 |
| CF23 8NS | Pontprennau and Old St Mellons | 51.53503 | -3.131729 | 321599 | 182399 | ST215823 |
| CF23 8NT | Pontprennau and Old St Mellons | 51.5351 | -3.132898 | 321518 | 182408 | ST215824 |
| CF23 8NU | Pontprennau and Old St Mellons | 51.534258 | -3.130715 | 321668 | 182312 | ST216823 |
| CF23 8NW | Pontprennau and Old St Mellons | 51.531852 | -3.131246 | 321627 | 182045 | ST216820 |
| CF23 8NX | Pontprennau and Old St Mellons | 51.532543 | -3.131364 | 321620 | 182122 | ST216821 |
| CF23 8NY | Pontprennau and Old St Mellons | 51.531892 | -3.131766 | 321591 | 182050 | ST215820 |
| CF23 8NZ | Pontprennau and Old St Mellons | 51.533912 | -3.129235 | 321770 | 182272 | ST217822 |
| CF23 8PA | Pontprennau and Old St Mellons | 51.53722 | -3.132172 | 321572 | 182643 | ST215826 |
| CF23 8PB | Pontprennau and Old St Mellons | 51.537418 | -3.1331 | 321508 | 182666 | ST215826 |
| CF23 8PD | Pontprennau and Old St Mellons | 51.534828 | -3.133151 | 321500 | 182378 | ST215823 |
| CF23 8PE | Pontprennau and Old St Mellons | 51.532683 | -3.129868 | 321724 | 182136 | ST217821 |
| CF23 8PF | Pontprennau and Old St Mellons | 51.533096 | -3.129922 | 321721 | 182182 | ST217821 |
| CF23 8PG | Pontprennau and Old St Mellons | 51.53452 | -3.135248 | 321354 | 182346 | ST213823 |
| CF23 8PH | Pontprennau and Old St Mellons | 51.534159 | -3.133495 | 321475 | 182304 | ST214823 |
| CF23 8PJ | Pontprennau and Old St Mellons | 51.535259 | -3.135007 | 321372 | 182428 | ST213824 |
| CF23 8PL | Pontprennau and Old St Mellons | 51.534115 | -3.134287 | 321420 | 182300 | ST214823 |
| CF23 8PN | Pontprennau and Old St Mellons | 51.536466 | -3.132067 | 321578 | 182559 | ST215825 |
| CF23 8PP | Pontprennau and Old St Mellons | 51.532621 | -3.13076 | 321662 | 182130 | ST216821 |
| CF23 8PQ | Pontprennau and Old St Mellons | 51.536632 | -3.137118 | 321228 | 182583 | ST212825 |
| CF23 8PR | Pontprennau and Old St Mellons | 51.537067 | -3.137777 | 321183 | 182632 | ST211826 |
| CF23 8PS | Pontprennau and Old St Mellons | 51.537318 | -3.136846 | 321248 | 182659 | ST212826 |
| CF23 8PT | Pontprennau and Old St Mellons | 51.535343 | -3.136538 | 321266 | 182439 | ST212824 |
| CF23 8PU | Pontprennau and Old St Mellons | 51.536491 | -3.134057 | 321440 | 182564 | ST214825 |
| CF23 8PW | Pontprennau and Old St Mellons | 51.537033 | -3.134763 | 321392 | 182625 | ST213826 |
| CF23 8PX | Pontprennau and Old St Mellons | 51.536213 | -3.134988 | 321375 | 182534 | ST213825 |
| CF23 8PY | Pontprennau and Old St Mellons | 51.535842 | -3.13978 | 321042 | 182498 | ST210824 |
| CF23 8PZ | Pontprennau and Old St Mellons | 51.535255 | -3.139188 | 321082 | 182432 | ST210824 |
| CF23 8QA | Pontprennau and Old St Mellons | 51.535211 | -3.13812 | 321156 | 182426 | ST211824 |
| CF23 8QB | Pontprennau and Old St Mellons | 51.533738 | -3.14633 | 320584 | 182271 | ST205822 |
| CF23 8QD | Pontprennau and Old St Mellons | 51.533945 | -3.145297 | 320656 | 182293 | ST206822 |
| CF23 8QE | Pontprennau and Old St Mellons | 51.533313 | -3.144662 | 320699 | 182222 | ST206822 |
| CF23 8QF | Pontprennau and Old St Mellons | 51.531133 | -3.132108 | 321566 | 181966 | ST215819 |
| CF23 8QG | Pontprennau and Old St Mellons | 51.531339 | -3.133151 | 321494 | 181990 | ST214819 |
| CF23 8RA | Pontprennau and Old St Mellons | 51.539936 | -3.130235 | 321711 | 182943 | ST217829 |
| CF23 8RB | Pontprennau and Old St Mellons | 51.540034 | -3.135011 | 321380 | 182959 | ST213829 |
| CF23 8RD | Pontprennau and Old St Mellons | 51.538227 | -3.133135 | 321507 | 182756 | ST215827 |
| CF23 8RE | Pontprennau and Old St Mellons | 51.532857 | -3.149912 | 320334 | 182177 | ST203821 |
| CF23 8RF | Pontprennau and Old St Mellons | 51.532979 | -3.150305 | 320307 | 182191 | ST203821 |
| CF23 8RG | Pontprennau and Old St Mellons | 51.536308 | -3.139993 | 321028 | 182550 | ST210825 |
| CF23 8RH | Pontprennau and Old St Mellons | 51.539302 | -3.135353 | 321355 | 182878 | ST213828 |
| CF23 8RJ | Pontprennau and Old St Mellons | 51.536236 | -3.140885 | 320966 | 182543 | ST209825 |
| CF23 8RL | Pontprennau and Old St Mellons | 51.540043 | -3.134997 | 321381 | 182960 | ST213829 |
| CF23 8RN | Pontprennau and Old St Mellons | 51.536913 | -3.139691 | 321050 | 182617 | ST210826 |
| CF23 8RP | Pontprennau and Old St Mellons | 51.538673 | -3.130637 | 321681 | 182803 | ST216828 |
| CF23 8RQ | Pontprennau and Old St Mellons | 51.534149 | -3.150233 | 320314 | 182321 | ST203823 |
| CF23 8RR | Pontprennau and Old St Mellons | 51.534168 | -3.149253 | 320382 | 182322 | ST203823 |
| CF23 8RS | Pontprennau and Old St Mellons | 51.540597 | -3.136236 | 321296 | 183023 | ST212830 |
| CF23 8RT | Pontprennau and Old St Mellons | 51.541526 | -3.133173 | 321510 | 183123 | ST215831 |