Postcodes in Cardiff page 148 Unitary Authority

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

Wards in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane and Thornhill , Llandaff , Llandaff North , Llanishen , Llanrumney , Pentwyn , Pentyrch and St Fagans , Penylan , Plasnewydd , Pontprennau and Old St Mellons , Radyr , Rhiwbina , Riverside , Rumney , Splott , Trowbridge , Whitchurch and Tongwynlais

Parishes in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Castle , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane , Llandaff , Llandaff North , Llanedeyrn , Llanishen , Llanrumney , Old St. Mellons , Pentwyn , Pentyrch , Penylan , Pontcanna , Pontprennau , Radyr and Morganstown , Rhiwbina , Riverside , Roath , Rumney , Splott , St. Fagans , Thornhill , Tongwynlais , Tremorfa , Trowbridge , Whitchurch

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Postcode	Ward	Latitude	Longitude	Easting	Northing	Grid ref
CF4 3HB	Llandaff North	51.502844	-3.20441	316499	178900	ST164789
CF4 3HH	Gabalfa	51.503788	-3.200112	316799	179000	ST167790
CF4 3HJ	Llandaff North	51.503773	-3.201553	316699	179000	ST166790
CF4 3HL	Llandaff North	51.502844	-3.20441	316499	178900	ST164789
CF4 3HN	Llandaff North	51.502859	-3.202969	316599	178900	ST165789
CF4 3HP	Llandaff North	51.502844	-3.20441	316499	178900	ST164789
CF4 3HQ	Llandaff North	51.502844	-3.20441	316499	178900	ST164789
CF4 3HR	Llandaff North	51.502829	-3.20585	316399	178900	ST163789
CF4 3HS	Llandaff North	51.504583	-3.210219	316099	179100	ST160791
CF4 3HT	Llandaff North	51.503728	-3.205874	316399	179000	ST163790
CF4 3HU	Llandaff North	51.503773	-3.201553	316699	179000	ST166790
CF4 3HW	Llandaff North	51.503758	-3.202993	316599	179000	ST165790
CF4 3HX	Llandaff North	51.503714	-3.207314	316299	179000	ST162790
CF4 3HY	Llandaff North	51.503714	-3.207314	316299	179000	ST162790
CF4 3JL	Cathays	51.496771	-3.182641	317999	178200	ST179782
CF4 3JN	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3JP	Gabalfa	51.502078	-3.191422	317399	178800	ST173788
CF4 3JQ	Gabalfa	51.502962	-3.192886	317299	178900	ST172789
CF4 3JR	Gabalfa	51.502933	-3.195767	317099	178900	ST170789
CF4 3JS	Cathays	51.496757	-3.184081	317899	178200	ST178782
CF4 3JT	Gabalfa	51.499395	-3.189912	317499	178500	ST174785
CF4 3JU	Gabalfa	51.502933	-3.195767	317099	178900	ST170789
CF4 3JW	Gabalfa	51.502933	-3.195767	317099	178900	ST170789
CF4 3JX	Gabalfa	51.502962	-3.192886	317299	178900	ST172789
CF4 3JY	Gabalfa	51.502063	-3.192863	317299	178800	ST172788
CF4 3JZ	Gabalfa	51.502063	-3.192863	317299	178800	ST172788
CF4 3LA	Gabalfa	51.502078	-3.191422	317399	178800	ST173788
CF4 3LB	Gabalfa	51.50025	-3.194256	317199	178600	ST171786
CF4 3LD	Gabalfa	51.50025	-3.194256	317199	178600	ST171786
CF4 3LE	Gabalfa	51.500236	-3.195697	317099	178600	ST170786
CF4 3LF	Gabalfa	51.501149	-3.19428	317199	178700	ST171787
CF4 3LG	Gabalfa	51.501164	-3.192839	317299	178700	ST172787
CF4 3LW	Cathays	51.49854	-3.185568	317799	178400	ST177784
CF4 3LX	Cathays	51.499425	-3.187031	317699	178500	ST176785
CF4 3LY	Gabalfa	51.500309	-3.188495	317599	178600	ST175786
CF4 3LZ	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3NA	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3NB	Gabalfa	51.502078	-3.191422	317399	178800	ST173788
CF4 3ND	Gabalfa	51.502977	-3.191446	317399	178900	ST173789
CF4 3NE	Gabalfa	51.502947	-3.194327	317199	178900	ST171789
CF4 3NF	Gabalfa	51.503832	-3.195791	317099	179000	ST170790
CF4 3NG	Gabalfa	51.503832	-3.195791	317099	179000	ST170790
CF4 3NH	Gabalfa	51.503817	-3.197231	316999	179000	ST169790
CF4 3NJ	Gabalfa	51.502092	-3.189982	317499	178800	ST174788
CF4 3NL	Gabalfa	51.502977	-3.191446	317399	178900	ST173789
CF4 3NN	Gabalfa	51.50302	-3.187125	317699	178900	ST176789
CF4 3NP	Gabalfa	51.502991	-3.190006	317499	178900	ST174789
CF4 3NQ	Gabalfa	51.50302	-3.187125	317699	178900	ST176789
CF4 3NR	Gabalfa	51.502977	-3.191446	317399	178900	ST173789
CF4 3NT	Gabalfa	51.503832	-3.195791	317099	179000	ST170790
CF4 3NU	Gabalfa	51.503832	-3.195791	317099	179000	ST170790
CF4 3NW	Gabalfa	51.504716	-3.197255	316999	179100	ST169791
CF4 3NX	Gabalfa	51.504716	-3.197255	316999	179100	ST169791
CF4 3NY	Gabalfa	51.502962	-3.192886	317299	178900	ST172789
CF4 3PJ	Gabalfa	51.500353	-3.184174	317899	178600	ST178786
CF4 3PL	Cathays	51.49854	-3.185568	317799	178400	ST177784
CF4 3PN	Cathays	51.49854	-3.185568	317799	178400	ST177784
CF4 3PP	Cathays	51.499439	-3.185591	317799	178500	ST177785
CF4 3PQ	Gabalfa	51.501252	-3.184197	317899	178700	ST178787
CF4 3PR	Cathays	51.499439	-3.185591	317799	178500	ST177785
CF4 3PS	Gabalfa	51.500324	-3.187055	317699	178600	ST176786
CF4 3PT	Gabalfa	51.500324	-3.187055	317699	178600	ST176786
CF4 3PU	Gabalfa	51.500338	-3.185614	317799	178600	ST177786
CF4 3PW	Gabalfa	51.500324	-3.187055	317699	178600	ST176786
CF4 3PX	Gabalfa	51.501222	-3.187078	317699	178700	ST176787
CF4 3PY	Gabalfa	51.502136	-3.185661	317799	178800	ST177788
CF4 3PZ	Gabalfa	51.502136	-3.185661	317799	178800	ST177788
CF4 3QA	Gabalfa	51.502107	-3.188542	317599	178800	ST175788
CF4 3QB	Gabalfa	51.501237	-3.185638	317799	178700	ST177787
CF4 3QD	Gabalfa	51.501208	-3.188518	317599	178700	ST175787
CF4 3QE	Gabalfa	51.501222	-3.187078	317699	178700	ST176787
CF4 3QF	Gabalfa	51.502107	-3.188542	317599	178800	ST175788
CF4 3QG	Gabalfa	51.502107	-3.188542	317599	178800	ST175788
CF4 3QH	Gabalfa	51.50302	-3.187125	317699	178900	ST176789
CF4 3QJ	Heath	51.513866	-3.181642	318099	180100	ST180801
CF4 3QL	Heath	51.51565	-3.183129	317999	180300	ST179803
CF4 3QN	Heath	51.511169	-3.181572	318099	179800	ST180798
CF4 3QW	Heath	51.507573	-3.181479	318099	179400	ST180794
CF4 3QX	Cathays	51.503064	-3.182803	317999	178900	ST179789
CF4 3QY	Heath	51.504847	-3.18429	317899	179100	ST178791
CF4 3QZ	Heath	51.506645	-3.184337	317899	179300	ST178793
CF4 3RA	Heath	51.508443	-3.184384	317899	179500	ST178795
CF4 3RB	Heath	51.507559	-3.18292	317999	179400	ST179794
CF4 3RD	Heath	51.508458	-3.182943	317999	179500	ST179795
CF4 3RE	Heath	51.510256	-3.18299	317999	179700	ST179797
CF4 3RF	Heath	51.510256	-3.18299	317999	179700	ST179797
CF4 3RG	Heath	51.514736	-3.184547	317899	180200	ST178802
CF4 3RH	Heath	51.511155	-3.183013	317999	179800	ST179798
CF4 3RJ	Heath	51.514751	-3.183106	317999	180200	ST179802
CF4 3RL	Heath	51.511169	-3.181572	318099	179800	ST180798
CF4 3SL	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3SR	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TD	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TF	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TG	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TH	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TJ	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TL	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TN	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TP	Gabalfa	51.501193	-3.189959	317499	178700	ST174787

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