Postcodes in Caerphilly Unitary Authority

This page provides postcode data for the Caerphilly UK Unitary Authority.

In 2021, Caerphilly contained approximately 76,300 households with a population of about 175,900

In 2011, Caerphilly contained approximately 74,471 households with a population of about 178,797

Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
CF14 0LB Machen and Rudry 51.56167 -3.152356 320215 185384 ST202853
CF15 7UP Penyrheol 51.575266 -3.252389 313307 187010 ST133870
CF15 7UQ Penyrheol 51.577865 -3.252345 313315 187299 ST133872
CF15 7UR Penyrheol 51.574859 -3.261065 312705 186975 ST127869
CF15 7US Penyrheol 51.574364 -3.261859 312649 186921 ST126869
CF15 7UT Penyrheol 51.575246 -3.260166 312768 187017 ST127870
CF3 6AA Machen and Rudry 51.550035 -3.122611 322257 184058 ST222840
CF3 6LP Machen and Rudry 51.558033 -3.118436 322560 184943 ST225849
CF3 6XR Machen and Rudry 51.554271 -3.116008 322722 184522 ST227845
CF3 6XX Machen and Rudry 51.567574 -3.097475 324029 185982 ST240859
CF3 9XP Machen and Rudry 51.557638 -3.119307 322499 184900 ST224849
CF3 9XQ Machen and Rudry 51.553607 -3.112977 322931 184445 ST229844
CF3 9XR Machen and Rudry 51.55407 -3.116334 322699 184500 ST226845
CF3 9XT Machen and Rudry 51.581869 -3.124231 322199 187600 ST221876
CF3 9XX Machen and Rudry 51.566833 -3.09789 323999 185900 ST239859
CF3 9YH Machen and Rudry 51.554719 -3.142314 320899 184600 ST208846
CF37 4HP Nelson 51.640201 -3.309065 309509 194301 ST095943
CF37 4HR Nelson 51.629162 -3.292521 310632 193052 ST106930
CF4 7UG Penyrheol 51.56972 -3.258123 312899 186400 ST128864
CF4 7UN Penyrheol 51.566992 -3.260933 312699 186100 ST126861
CF4 7UQ Penyrheol 51.576973 -3.252551 313299 187200 ST132872
CF4 7UR Penyrheol 51.575098 -3.259715 312799 187000 ST127870
CF4 7US Penyrheol 51.575098 -3.259715 312799 187000 ST127870
CF4 7UT Penyrheol 51.575098 -3.259715 312799 187000 ST127870
CF46 6AZ Nelson 51.649919 -3.282386 311374 195349 ST113953
CF46 6BF St Cattwg 51.662701 -3.277803 311716 196764 ST117967
CF46 6BN Nelson 51.649064 -3.286525 311086 195258 ST110952
CF46 6BQ Nelson 51.653933 -3.287776 311009 195801 ST110958
CF46 6DR Nelson 51.657833 -3.290504 310828 196239 ST108962
CF46 6DS Nelson 51.656929 -3.289307 310909 196137 ST109961
CF46 6DT Nelson 51.656616 -3.289139 310920 196102 ST109961
CF46 6DU Nelson 51.65615 -3.288157 310987 196049 ST109960
CF46 6DY Nelson 51.654062 -3.285857 311142 195813 ST111958
CF46 6EA Nelson 51.654286 -3.286746 311081 195839 ST110958
CF46 6EB Nelson 51.653816 -3.284506 311235 195784 ST112957
CF46 6ED Nelson 51.653169 -3.283678 311291 195712 ST112957
CF46 6EH Nelson 51.654874 -3.284753 311220 195902 ST112959
CF46 6EL Nelson 51.65453 -3.284945 311206 195864 ST112958
CF46 6EN Nelson 51.655117 -3.286393 311107 195931 ST111959
CF46 6EP St Cattwg 51.65746 -3.283424 311317 196188 ST113961
CF46 6ER St Cattwg 51.661859 -3.283317 311333 196678 ST113966
CF46 6ES Nelson 51.654039 -3.287953 310997 195813 ST109958
CF46 6EU Nelson 51.6518 -3.284666 311220 195560 ST112955
CF46 6EW Nelson 51.655741 -3.286917 311072 196002 ST110960
CF46 6EX Nelson 51.656661 -3.287507 311033 196105 ST110961
CF46 6EY Nelson 51.651257 -3.284954 311199 195500 ST111955
CF46 6HA Nelson 51.651269 -3.287209 311043 195505 ST110955
CF46 6HB Nelson 51.651303 -3.291475 310748 195514 ST107955
CF46 6HD Nelson 51.652637 -3.292785 310660 195663 ST106956
CF46 6HE Nelson 51.651444 -3.29502 310503 195534 ST105955
CF46 6HF Nelson 51.649654 -3.294174 310558 195333 ST105953
CF46 6HG Nelson 51.648484 -3.288547 310945 195196 ST109951
CF46 6HH Nelson 51.648133 -3.294362 310542 195165 ST105951
CF46 6HJ Nelson 51.650669 -3.285342 311171 195436 ST111954
CF46 6HL Nelson 51.650081 -3.291324 310756 195377 ST107953
CF46 6HN Nelson 51.649781 -3.29081 310791 195343 ST107953
CF46 6HP Nelson 51.650707 -3.290027 310847 195445 ST108954
CF46 6HQ Nelson 51.649117 -3.290675 310799 195269 ST107952
CF46 6HR Nelson 51.650667 -3.289549 310880 195440 ST108954
CF46 6HS Nelson 51.654983 -3.290452 310826 195922 ST108959
CF46 6HT Nelson 51.654163 -3.289778 310871 195830 ST108958
CF46 6HU Nelson 51.654065 -3.291322 310764 195821 ST107958
CF46 6HW Nelson 51.650357 -3.291592 310738 195408 ST107954
CF46 6HX Nelson 51.648155 -3.286557 311082 195157 ST110951
CF46 6HY Nelson 51.648965 -3.284875 311200 195245 ST112952
CF46 6HZ Nelson 51.648874 -3.287416 311024 195238 ST110952
CF46 6JA Nelson 51.648562 -3.293753 310585 195211 ST105952
CF46 6JB Nelson 51.648362 -3.291521 310739 195186 ST107951
CF46 6JD Nelson 51.64835 -3.2934 310609 195187 ST106951
CF46 6JE Nelson 51.647891 -3.291031 310772 195134 ST107951
CF46 6JF Nelson 51.648598 -3.292077 310701 195213 ST107952
CF46 6JG Nelson 51.64885 -3.290465 310813 195239 ST108952
CF46 6JH Nelson 51.647788 -3.28977 310859 195121 ST108951
CF46 6JJ Nelson 51.647969 -3.293722 310586 195145 ST105951
CF46 6JL Nelson 51.647973 -3.292493 310671 195144 ST106951
CF46 6JN Nelson 51.650304 -3.290695 310800 195401 ST108954
CF46 6LA Nelson 51.653311 -3.29198 310717 195737 ST107957
CF46 6LB Nelson 51.65331 -3.291315 310763 195737 ST107957
CF46 6LE Nelson 51.65217 -3.291904 310720 195610 ST107956
CF46 6LF Nelson 51.65253 -3.290238 310836 195648 ST108956
CF46 6LG Nelson 51.652235 -3.286846 311070 195612 ST110956
CF46 6LH Nelson 51.652611 -3.286987 311061 195654 ST110956
CF46 6LL Nelson 51.65192 -3.286838 311070 195576 ST110955
CF46 6LN Nelson 51.652253 -3.285199 311184 195612 ST111956
CF46 6LP Nelson 51.652915 -3.287126 311052 195687 ST110956
CF46 6LR Nelson 51.651157 -3.283433 311304 195487 ST113954
CF46 6LS Nelson 51.649892 -3.284843 311204 195349 ST112953
CF46 6LU Nelson 51.653276 -3.294364 310552 195736 ST105957
CF46 6LW Nelson 51.653435 -3.286476 311098 195745 ST110957
CF46 6LY Nelson 51.652394 -3.297707 310319 195642 ST103956
CF46 6NA Nelson 51.652482 -3.283138 311327 195634 ST113956
CF46 6NB Nelson 51.651257 -3.284954 311199 195500 ST111955
CF46 6ND Nelson 51.651762 -3.283219 311320 195554 ST113955
CF46 6NE Nelson 51.651744 -3.280761 311490 195550 ST114955
CF46 6NF Nelson 51.65084 -3.28195 311406 195450 ST114954
CF46 6NG Nelson 51.651313 -3.281501 311438 195502 ST114955
CF46 6NH Nelson 51.650307 -3.280533 311503 195389 ST115953
CF46 6NJ Nelson 51.65119 -3.279589 311570 195486 ST115954
CF46 6NL Nelson 51.650648 -3.27901 311609 195425 ST116954
CF46 6NN Nelson 51.650144 -3.279834 311551 195370 ST115953
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license