Postcodes in Cardiff page 153 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 5HR	Llanishen	51.534321	-3.20379	316600	182400	ST165823
CF4 5HS	Llanishen	51.533407	-3.205207	316500	182300	ST165822
CF4 5HT	Llanishen	51.527203	-3.196394	317100	181600	ST171815
CF4 5HU	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5HY	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5JA	Llanishen	51.521824	-3.194812	317200	181000	ST171809
CF4 5JB	Llanishen	51.527174	-3.199277	316900	181600	ST168816
CF4 5JD	Llanishen	51.532538	-3.202301	316700	182200	ST167822
CF4 5JE	Lisvane and Thornhill	51.535454	-3.180751	318200	182500	ST181824
CF4 5JF	Rhiwbina	51.529826	-3.203671	316600	181900	ST166818
CF4 5JG	Llanishen	51.531654	-3.200836	316800	182100	ST168821
CF4 5JH	Llanishen	51.532597	-3.196536	317100	182200	ST170822
CF4 5JJ	Llanishen	51.533496	-3.196559	317100	182300	ST171823
CF4 5JL	Llanishen	51.532656	-3.19077	317500	182200	ST175822
CF4 5JN	Llanishen	51.531639	-3.202277	316700	182100	ST167820
CF4 5JP	Llanishen	51.531727	-3.19363	317300	182100	ST172820
CF4 5JQ	Llanishen	51.531742	-3.192188	317400	182100	ST174820
CF4 5JR	Llanishen	51.532641	-3.192212	317400	182200	ST173822
CF4 5JS	Llanishen	51.532641	-3.192212	317400	182200	ST173822
CF4 5JT	Llanishen	51.533481	-3.198001	317000	182300	ST169822
CF4 5JU	Llanishen	51.532523	-3.203742	316600	182200	ST166821
CF4 5JW	Llanishen	51.531624	-3.203719	316600	182100	ST165820
CF4 5JX	Llanishen	51.533466	-3.199442	316900	182300	ST168822
CF4 5JY	Llanishen	51.533481	-3.198001	317000	182300	ST169822
CF4 5JZ	Llanishen	51.533452	-3.200883	316800	182300	ST168823
CF4 5LA	Llanishen	51.53438	-3.198024	317000	182400	ST170823
CF4 5LB	Llanishen	51.532553	-3.20086	316800	182200	ST167822
CF4 5LD	Llanishen	51.532523	-3.203742	316600	182200	ST166821
CF4 5LE	Llanishen	51.526319	-3.19493	317200	181500	ST171815
CF4 5LF	Llanishen	51.521013	-3.186143	317800	180900	ST177808
CF4 5LG	Llanishen	51.521897	-3.187607	317700	181000	ST176809
CF4 5LH	Llanishen	51.521883	-3.189048	317600	181000	ST175810
CF4 5LJ	Llanishen	51.520114	-3.186119	317800	180800	ST178807
CF4 5LL	Llanishen	51.520998	-3.187584	317700	180900	ST176808
CF4 5LN	Llanishen	51.521013	-3.186143	317800	180900	ST177808
CF4 5LP	Llanishen	51.520114	-3.186119	317800	180800	ST178807
CF4 5LQ	Llanishen	51.520129	-3.184678	317900	180800	ST179808
CF4 5LR	Llanishen	51.520129	-3.184678	317900	180800	ST179808
CF4 5LS	Llanishen	51.529089	-3.187794	317700	181800	ST177817
CF4 5LT	Llanishen	51.528175	-3.189212	317600	181700	ST175816
CF4 5LU	Llanishen	51.529074	-3.189235	317600	181800	ST176817
CF4 5LW	Cyncoed	51.520172	-3.180355	318200	180800	ST182807
CF4 5LX	Cyncoed	51.52197	-3.180402	318200	181000	ST181809
CF4 5LY	Llanishen	51.525551	-3.181936	318100	181400	ST181813
CF4 5LZ	Llanishen	51.528234	-3.183447	318000	181700	ST180817
CF4 5NA	Llanishen	51.528205	-3.18633	317800	181700	ST177817
CF4 5NB	Cyncoed	51.521071	-3.180379	318200	180900	ST181808
CF4 5ND	Cyncoed	51.52197	-3.180402	318200	181000	ST181809
CF4 5NE	Llanishen	51.527349	-3.181983	318100	181600	ST180815
CF4 5NF	Cyncoed	51.521086	-3.178938	318300	180900	ST182809
CF4 5NG	Llanishen	51.529104	-3.186353	317800	181800	ST177818
CF4 5NH	Llanishen	51.529118	-3.184912	317900	181800	ST178817
CF4 5NJ	Llanishen	51.527335	-3.183424	318000	181600	ST179816
CF4 5NL	Llanishen	51.527335	-3.183424	318000	181600	ST179816
CF4 5NN	Llanishen	51.526465	-3.180518	318200	181500	ST182815
CF4 5NP	Llanishen	51.526465	-3.180518	318200	181500	ST182815
CF4 5NQ	Llanishen	51.528263	-3.180565	318200	181700	ST181817
CF4 5NR	Llanishen	51.525566	-3.180495	318200	181400	ST181814
CF4 5NS	Llanishen	51.52558	-3.179054	318300	181400	ST182813
CF4 5NT	Llanishen	51.525566	-3.180495	318200	181400	ST181814
CF4 5NU	Llanishen	51.519259	-3.181773	318100	180700	ST181807
CF4 5NW	Llanishen	51.520158	-3.181796	318100	180800	ST181808
CF4 5NX	Cyncoed	51.521985	-3.178961	318300	181000	ST182810
CF4 5NY	Cyncoed	51.521071	-3.180379	318200	180900	ST181808
CF4 5NZ	Cyncoed	51.522869	-3.180425	318200	181100	ST182810
CF4 5PA	Llanishen	51.528219	-3.184888	317900	181700	ST179816
CF4 5PB	Cyncoed	51.524667	-3.180472	318200	181300	ST181812
CF4 5PD	Llanishen	51.52819	-3.187771	317700	181700	ST176816
CF4 5PE	Llanishen	51.527306	-3.186306	317800	181600	ST178816
CF4 5PF	Llanishen	51.52819	-3.187771	317700	181700	ST176816
CF4 5PG	Llanishen	51.526304	-3.196371	317100	181500	ST170814
CF4 5PH	Llanishen	51.527534	-3.19659	317087	181637	ST170816
CF4 5PJ	Llanishen	51.52629	-3.197812	317000	181500	ST169815
CF4 5PL	Llanishen	51.527379	-3.196831	317070	181620	ST170816
CF4 5PN	Llanishen	51.525493	-3.187701	317700	181400	ST176813
CF4 5PP	Llanishen	51.526421	-3.184842	317900	181500	ST178814
CF4 5PQ	Llanishen	51.524623	-3.184795	317900	181300	ST178812
CF4 5PR	Llanishen	51.52284	-3.183307	318000	181100	ST180810
CF4 5PS	Llanishen	51.521912	-3.186166	317800	181000	ST177809
CF4 5PT	Llanishen	51.522796	-3.18763	317700	181100	ST177810
CF4 5PU	Llanishen	51.523695	-3.187654	317700	181200	ST176811
CF4 5PW	Llanishen	51.525493	-3.187701	317700	181400	ST176813
CF4 5PX	Llanishen	51.525522	-3.184818	317900	181400	ST179813
CF4 5PY	Llanishen	51.526407	-3.186283	317800	181500	ST177815
CF4 5PZ	Llanishen	51.524623	-3.184795	317900	181300	ST178812
CF4 5QA	Llanishen	51.524623	-3.184795	317900	181300	ST178812
CF4 5QB	Llanishen	51.52371	-3.186213	317800	181200	ST177812
CF4 5QD	Llanishen	51.523724	-3.184772	317900	181200	ST178811
CF4 5QE	Llanishen	51.522826	-3.184748	317900	181100	ST179811
CF4 5QF	Llanishen	51.521927	-3.184725	317900	181000	ST178810
CF4 5QG	Llanishen	51.52284	-3.183307	318000	181100	ST180810
CF4 5QH	Heath	51.517432	-3.184608	317900	180500	ST179805
CF4 5QJ	Heath	51.518331	-3.184632	317900	180600	ST178806
CF4 5QL	Heath	51.519215	-3.186096	317800	180700	ST177806
CF4 5QN	Llanishen	51.521028	-3.184702	317900	180900	ST178809
CF4 5QP	Llanishen	51.521028	-3.184702	317900	180900	ST178809
CF4 5QS	Llanishen	51.521028	-3.184702	317900	180900	ST178809
CF4 5QT	Llanishen	51.521028	-3.184702	317900	180900	ST178809
CF4 5QZ	Llanishen	51.521028	-3.184702	317900	180900	ST178809
CF4 5RA	Llanishen	51.531859	-3.180658	318200	182100	ST181821

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