Postcodes in Cardiff 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
CF1 1AA	Grangetown	51.469744	-3.187701	317599	175200	ST175752
CF1 1AB	Grangetown	51.469744	-3.187701	317599	175200	ST175752
CF1 1AD	Cathays	51.477907	-3.180713	318099	176100	ST180761
CF1 1BU	Grangetown	51.469744	-3.187701	317599	175200	ST175752
CF1 1DA	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1DB	Cathays	51.477907	-3.180713	318099	176100	ST180761
CF1 1DD	Cathays	51.478806	-3.180736	318099	176200	ST180762
CF1 1DE	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1DF	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1DG	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1DH	Cathays	51.479676	-3.183638	317899	176300	ST178763
CF1 1DJ	Cathays	51.479676	-3.183638	317899	176300	ST178763
CF1 1DL	Cathays	51.479676	-3.183638	317899	176300	ST178763
CF1 1DN	Cathays	51.479676	-3.183638	317899	176300	ST178763
CF1 1DP	Cathays	51.479705	-3.180759	318099	176300	ST180763
CF1 1DU	Cathays	51.47972	-3.179319	318199	176300	ST181763
CF1 1DW	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1DX	Cathays	51.478821	-3.179296	318199	176200	ST181762
CF1 1DY	Cathays	51.479705	-3.180759	318099	176300	ST180763
CF1 1DZ	Cathays	51.479705	-3.180759	318099	176300	ST180763
CF1 1EA	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1EB	Cathays	51.478806	-3.180736	318099	176200	ST180762
CF1 1ED	Cathays	51.478821	-3.179296	318199	176200	ST181762
CF1 1EH	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1EJ	Cathays	51.479691	-3.182199	317999	176300	ST179763
CF1 1EL	Cathays	51.476095	-3.182106	317999	175900	ST179759
CF1 1EN	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1EP	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1EQ	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1ER	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1ES	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1ET	Riverside	51.476979	-3.183569	317899	176000	ST178760
CF1 1EU	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1EW	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1EX	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1EY	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1EZ	Cathays	51.477052	-3.176371	318399	176000	ST183760
CF1 1FA	Cathays	51.476138	-3.177787	318299	175900	ST182759
CF1 1FB	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1FD	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1FE	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1FF	Cathays	51.477951	-3.176394	318399	176100	ST183761
CF1 1FG	Cathays	51.477951	-3.176394	318399	176100	ST183761
CF1 1FH	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1FJ	Cathays	51.477037	-3.17781	318299	176000	ST182760
CF1 1FL	Cathays	51.477052	-3.176371	318399	176000	ST183760
CF1 1FN	Cathays	51.477951	-3.176394	318399	176100	ST183761
CF1 1GP	Cathays	51.480507	-3.183314	317923	176392	ST179763
CF1 1GR	Cathays	51.477951	-3.176394	318399	176100	ST183761
CF1 1HA	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HB	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HD	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HE	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HF	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HH	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HL	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1HN	Cathays	51.480507	-3.1833	317924	176392	ST179763
CF1 1JA	Cathays	51.477893	-3.182152	317999	176100	ST179761
CF1 1JB	Cathays	51.478806	-3.180736	318099	176200	ST180762
CF1 1JD	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JE	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JF	Cathays	51.479676	-3.183638	317899	176300	ST178763
CF1 1JG	Cathays	51.479423	-3.181126	318073	176269	ST180762
CF1 1JJ	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1JL	Cathays	51.479423	-3.181126	318073	176269	ST180762
CF1 1JN	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JP	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1JR	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JS	Cathays	51.478806	-3.180736	318099	176200	ST180762
CF1 1JT	Cathays	51.479705	-3.180759	318099	176300	ST180763
CF1 1JU	Cathays	51.480691	-3.172144	318699	176400	ST186764
CF1 1JW	Cathays	51.477951	-3.176394	318399	176100	ST183761
CF1 1JX	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JY	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1JZ	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LB	Cathays	51.483373	-3.173653	318599	176700	ST185767
CF1 1LD	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LF	Cathays	51.479705	-3.180759	318099	176300	ST180763
CF1 1LG	Cathays	51.483373	-3.173653	318599	176700	ST185767
CF1 1LH	Cathays	51.47972	-3.179319	318199	176300	ST181763
CF1 1LJ	Cathays	51.478835	-3.177857	318299	176200	ST182762
CF1 1LL	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LN	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LP	Cathays	51.478821	-3.179296	318199	176200	ST181762
CF1 1LQ	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LS	Cathays	51.478821	-3.179296	318199	176200	ST181762
CF1 1LT	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1LU	Butetown	51.465452	-3.167435	318999	174700	ST189747
CF1 1LW	Cathays	51.476138	-3.177787	318299	175900	ST182759
CF1 1LX	Cathays	51.476138	-3.177787	318299	175900	ST182759
CF1 1LY	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1NA	Cathays	51.479922	-3.1762	318416	176319	ST184763
CF1 1NB	Cathays	51.477922	-3.179273	318199	176100	ST181761
CF1 1ND	Cathays	51.478821	-3.179296	318199	176200	ST181762
CF1 1NF	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1NG	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1NH	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1NJ	Cathays	51.477008	-3.180689	318099	176000	ST180760
CF1 1NL	Cathays	51.477023	-3.17925	318199	176000	ST181760
CF1 1NN	Cathays	51.479691	-3.182199	317999	176300	ST179763

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