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 5GZ	Lisvane and Thornhill	51.544489	-3.176668	318499	183500	ST184835
CF4 5HA	Llanishen	51.527161	-3.200727	316799	181600	ST167816
CF4 5HB	Llanishen	51.528045	-3.202192	316699	181700	ST166817
CF4 5HD	Llanishen	51.52806	-3.200751	316799	181700	ST167817
CF4 5HE	Llanishen	51.528944	-3.202216	316699	181800	ST166818
CF4 5HF	Llanishen	51.530727	-3.203705	316599	182000	ST165820
CF4 5HG	Llanishen	51.530727	-3.203705	316599	182000	ST165820
CF4 5HH	Llanishen	51.533439	-3.202335	316699	182300	ST166823
CF4 5HJ	Llanishen	51.534367	-3.199476	316899	182400	ST168824
CF4 5HL	Rhiwbina	51.53251	-3.205194	316499	182200	ST164822
CF4 5HN	Rhiwbina	51.534293	-3.206683	316399	182400	ST163824
CF4 5HP	Rhiwbina	51.53251	-3.205194	316499	182200	ST164822
CF4 5HQ	Llanishen	51.533409	-3.205217	316499	182300	ST164823
CF4 5HR	Llanishen	51.534323	-3.2038	316599	182400	ST165824
CF4 5HS	Llanishen	51.533409	-3.205217	316499	182300	ST164823
CF4 5HT	Llanishen	51.527205	-3.196404	317099	181600	ST170816
CF4 5HU	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5HY	Llanishen	51.530961	-3.180644	318199	182000	ST181820
CF4 5JA	Llanishen	51.521826	-3.194821	317199	181000	ST171810
CF4 5JB	Llanishen	51.527175	-3.199286	316899	181600	ST168816
CF4 5JD	Llanishen	51.53254	-3.202311	316699	182200	ST166822
CF4 5JE	Lisvane and Thornhill	51.535456	-3.180761	318199	182500	ST181825
CF4 5JF	Rhiwbina	51.529828	-3.203681	316599	181900	ST165819
CF4 5JG	Llanishen	51.531656	-3.200846	316799	182100	ST167821
CF4 5JH	Llanishen	51.532599	-3.196545	317099	182200	ST170822
CF4 5JJ	Llanishen	51.533498	-3.196569	317099	182300	ST170823
CF4 5JL	Llanishen	51.532657	-3.19078	317499	182200	ST174822
CF4 5JN	Llanishen	51.531641	-3.202287	316699	182100	ST166821
CF4 5JP	Llanishen	51.531729	-3.193639	317299	182100	ST172821
CF4 5JQ	Llanishen	51.531744	-3.192198	317399	182100	ST173821
CF4 5JR	Llanishen	51.532643	-3.192221	317399	182200	ST173822
CF4 5JS	Llanishen	51.532643	-3.192221	317399	182200	ST173822
CF4 5JT	Llanishen	51.533483	-3.19801	316999	182300	ST169823
CF4 5JU	Llanishen	51.532525	-3.203752	316599	182200	ST165822
CF4 5JW	Llanishen	51.531626	-3.203729	316599	182100	ST165821
CF4 5JX	Llanishen	51.533468	-3.199452	316899	182300	ST168823
CF4 5JY	Llanishen	51.533483	-3.19801	316999	182300	ST169823
CF4 5JZ	Llanishen	51.533453	-3.200893	316799	182300	ST167823
CF4 5LA	Llanishen	51.534382	-3.198034	316999	182400	ST169824
CF4 5LB	Llanishen	51.532554	-3.20087	316799	182200	ST167822
CF4 5LD	Llanishen	51.532525	-3.203752	316599	182200	ST165822
CF4 5LE	Llanishen	51.526321	-3.194939	317199	181500	ST171815
CF4 5LF	Llanishen	51.521014	-3.186152	317799	180900	ST177809
CF4 5LG	Llanishen	51.521899	-3.187616	317699	181000	ST176810
CF4 5LH	Llanishen	51.521884	-3.189057	317599	181000	ST175810
CF4 5LJ	Llanishen	51.520115	-3.186128	317799	180800	ST177808
CF4 5LL	Llanishen	51.521	-3.187593	317699	180900	ST176809
CF4 5LN	Llanishen	51.521014	-3.186152	317799	180900	ST177809
CF4 5LP	Llanishen	51.520115	-3.186128	317799	180800	ST177808
CF4 5LQ	Llanishen	51.52013	-3.184687	317899	180800	ST178808
CF4 5LR	Llanishen	51.52013	-3.184687	317899	180800	ST178808
CF4 5LS	Llanishen	51.529091	-3.187804	317699	181800	ST176818
CF4 5LT	Llanishen	51.528177	-3.189221	317599	181700	ST175817
CF4 5LU	Llanishen	51.529076	-3.189245	317599	181800	ST175818
CF4 5LW	Cyncoed	51.520173	-3.180364	318199	180800	ST181808
CF4 5LX	Cyncoed	51.521971	-3.180411	318199	181000	ST181810
CF4 5LY	Llanishen	51.525553	-3.181945	318099	181400	ST180814
CF4 5LZ	Llanishen	51.528235	-3.183457	317999	181700	ST179817
CF4 5NA	Llanishen	51.528206	-3.186339	317799	181700	ST177817
CF4 5NB	Cyncoed	51.521072	-3.180388	318199	180900	ST181809
CF4 5ND	Cyncoed	51.521971	-3.180411	318199	181000	ST181810
CF4 5NE	Llanishen	51.527351	-3.181992	318099	181600	ST180816
CF4 5NF	Cyncoed	51.521087	-3.178947	318299	180900	ST182809
CF4 5NG	Llanishen	51.529105	-3.186362	317799	181800	ST177818
CF4 5NH	Llanishen	51.52912	-3.184921	317899	181800	ST178818
CF4 5NJ	Llanishen	51.527336	-3.183433	317999	181600	ST179816
CF4 5NL	Llanishen	51.527336	-3.183433	317999	181600	ST179816
CF4 5NN	Llanishen	51.526466	-3.180527	318199	181500	ST181815
CF4 5NP	Llanishen	51.526466	-3.180527	318199	181500	ST181815
CF4 5NQ	Llanishen	51.528264	-3.180574	318199	181700	ST181817
CF4 5NR	Llanishen	51.525567	-3.180504	318199	181400	ST181814
CF4 5NS	Llanishen	51.525582	-3.179063	318299	181400	ST182814
CF4 5NT	Llanishen	51.525567	-3.180504	318199	181400	ST181814
CF4 5NU	Llanishen	51.51926	-3.181782	318099	180700	ST180807
CF4 5NW	Llanishen	51.520159	-3.181805	318099	180800	ST180808
CF4 5NX	Cyncoed	51.521986	-3.17897	318299	181000	ST182810
CF4 5NY	Cyncoed	51.521072	-3.180388	318199	180900	ST181809
CF4 5NZ	Cyncoed	51.52287	-3.180434	318199	181100	ST181811
CF4 5PA	Llanishen	51.528221	-3.184898	317899	181700	ST178817
CF4 5PB	Cyncoed	51.524668	-3.180481	318199	181300	ST181813
CF4 5PD	Llanishen	51.528192	-3.18778	317699	181700	ST176817
CF4 5PE	Llanishen	51.527307	-3.186316	317799	181600	ST177816
CF4 5PF	Llanishen	51.528192	-3.18778	317699	181700	ST176817
CF4 5PG	Llanishen	51.526306	-3.19638	317099	181500	ST170815
CF4 5PH	Llanishen	51.527536	-3.1966	317086	181637	ST170816
CF4 5PJ	Llanishen	51.526291	-3.197821	316999	181500	ST169815
CF4 5PL	Llanishen	51.52738	-3.196841	317069	181620	ST170816
CF4 5PN	Llanishen	51.525495	-3.18771	317699	181400	ST176814
CF4 5PP	Llanishen	51.526423	-3.184851	317899	181500	ST178815
CF4 5PQ	Llanishen	51.524625	-3.184804	317899	181300	ST178813
CF4 5PR	Llanishen	51.522841	-3.183316	317999	181100	ST179811
CF4 5PS	Llanishen	51.521913	-3.186175	317799	181000	ST177810
CF4 5PT	Llanishen	51.522798	-3.18764	317699	181100	ST176811
CF4 5PU	Llanishen	51.523697	-3.187663	317699	181200	ST176812
CF4 5PW	Llanishen	51.525495	-3.18771	317699	181400	ST176814
CF4 5PX	Llanishen	51.525524	-3.184828	317899	181400	ST178814
CF4 5PY	Llanishen	51.526408	-3.186292	317799	181500	ST177815
CF4 5PZ	Llanishen	51.524625	-3.184804	317899	181300	ST178813
CF4 5QA	Llanishen	51.524625	-3.184804	317899	181300	ST178813
CF4 5QB	Llanishen	51.523711	-3.186222	317799	181200	ST177812

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