Postcodes in Cardiff page 149 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 3UJ	Gabalfa	51.498422	-3.197081	317000	178400	ST169783
CF4 3UL	Gabalfa	51.49742	-3.207139	316300	178300	ST162783
CF4 3UN	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UP	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UQ	Cathays	51.499424	-3.187023	317700	178500	ST176785
CF4 3UR	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3US	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3UT	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3UU	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3UW	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3UX	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3UY	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UZ	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3WA	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3WB	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3WD	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3WE	Gabalfa	51.498496	-3.18988	317500	178400	ST174784
CF4 3XA	Gabalfa	51.497405	-3.208579	316200	178300	ST162782
CF4 3XB	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XD	Gabalfa	51.496639	-3.195594	317100	178200	ST170782
CF4 3XE	Gabalfa	51.497567	-3.192737	317300	178300	ST172782
CF4 3XF	Gabalfa	51.498466	-3.19276	317300	178400	ST173783
CF4 3XG	Gabalfa	51.498466	-3.19276	317300	178400	ST173783
CF4 3XH	Gabalfa	51.498466	-3.19276	317300	178400	ST173783
CF4 3XJ	Gabalfa	51.498466	-3.19276	317300	178400	ST173783
CF4 3XL	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XN	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XP	Gabalfa	51.501134	-3.195711	317100	178700	ST171787
CF4 3XQ	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XR	Gabalfa	51.502902	-3.198639	316900	178900	ST169788
CF4 3XS	Gabalfa	51.501031	-3.205794	316400	178700	ST163787
CF4 3XT	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XU	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XW	Gabalfa	51.499247	-3.204306	316500	178500	ST164784
CF4 3XX	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3XY	Llandaff North	51.500117	-3.20721	316300	178600	ST163786
CF4 3XZ	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3YA	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3YB	Gabalfa	51.503371	-3.191448	317400	178944	ST173789
CF4 3YD	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3YE	Cathays	51.498539	-3.185559	317800	178400	ST177783
CF4 3YF	Gabalfa	51.501151	-3.18786	317645	178693	ST176786
CF4 3YG	Gabalfa	51.502091	-3.189973	317500	178800	ST175787
CF4 3YH	Gabalfa	51.501649	-3.189242	317550	178750	ST175787
CF4 3YJ	Gabalfa	51.501207	-3.18851	317600	178700	ST175787
CF4 3YL	Gabalfa	51.501207	-3.18851	317600	178700	ST175787
CF4 3YN	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3YP	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3YQ	Gabalfa	51.501151	-3.18786	317645	178693	ST176786
CF4 3YR	Cathays	51.499438	-3.185582	317800	178500	ST178784
CF4 3YS	Cathays	51.499438	-3.185582	317800	178500	ST178784
CF4 3YT	Gabalfa	51.503948	-3.184259	317900	179000	ST178790
CF4 3YU	Gabalfa	51.503948	-3.184259	317900	179000	ST178790
CF4 3YW	Gabalfa	51.501207	-3.18851	317600	178700	ST175787
CF4 3YX	Gabalfa	51.503948	-3.184259	317900	179000	ST178790
CF4 3ZA	Gabalfa	51.503948	-3.184259	317900	179000	ST178790
CF4 4AA	Whitchurch and Tongwynlais	51.508252	-3.203102	316600	179500	ST166795
CF4 4AB	Whitchurch and Tongwynlais	51.508266	-3.201662	316700	179500	ST166794
CF4 4AD	Whitchurch and Tongwynlais	51.507382	-3.200198	316800	179400	ST167793
CF4 4AE	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4AF	Whitchurch and Tongwynlais	51.507382	-3.200198	316800	179400	ST167793
CF4 4AG	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4AH	Heath	51.509165	-3.201686	316700	179600	ST166795
CF4 4AJ	Whitchurch and Tongwynlais	51.508266	-3.201662	316700	179500	ST166794
CF4 4AL	Whitchurch and Tongwynlais	51.507382	-3.200198	316800	179400	ST167793
CF4 4AN	Heath	51.507397	-3.198757	316900	179400	ST169794
CF4 4AP	Heath	51.507412	-3.197317	317000	179400	ST169794
CF4 4AQ	Heath	51.507397	-3.198757	316900	179400	ST169794
CF4 4AR	Heath	51.507397	-3.198757	316900	179400	ST169794
CF4 4AS	Heath	51.510094	-3.198828	316900	179700	ST168797
CF4 4AT	Heath	51.510094	-3.198828	316900	179700	ST168797
CF4 4AU	Heath	51.510094	-3.198828	316900	179700	ST168797
CF4 4BD	Heath	51.511906	-3.197435	317000	179900	ST169798
CF4 4BE	Heath	51.511008	-3.197411	317000	179800	ST169798
CF4 4BG	Heath	51.509224	-3.195923	317100	179600	ST171795
CF4 4BH	Heath	51.511022	-3.19597	317100	179800	ST171797
CF4 4BJ	Heath	51.513748	-3.193159	317300	180100	ST173800
CF4 4BL	Heath	51.514662	-3.191742	317400	180200	ST174802
CF4 4BN	Heath	51.515576	-3.190325	317500	180300	ST174803
CF4 4BP	Heath	51.512835	-3.194577	317200	180000	ST171800
CF4 4BQ	Heath	51.512835	-3.194577	317200	180000	ST171800
CF4 4BR	Heath	51.514662	-3.191742	317400	180200	ST174802
CF4 4BS	Heath	51.514691	-3.188861	317600	180200	ST175801
CF4 4BT	Heath	51.514662	-3.191742	317400	180200	ST174802
CF4 4DA	Heath	51.50918	-3.200245	316800	179600	ST167795
CF4 4DB	Heath	51.50921	-3.197364	317000	179600	ST169796
CF4 4DD	Heath	51.509195	-3.198804	316900	179600	ST169796
CF4 4DE	Heath	51.50921	-3.197364	317000	179600	ST169796
CF4 4DF	Heath	51.507441	-3.194436	317200	179400	ST171793
CF4 4DG	Heath	51.509239	-3.194483	317200	179600	ST171796
CF4 4DH	Heath	51.50834	-3.194459	317200	179500	ST172794
CF4 4DJ	Heath	51.511936	-3.194553	317200	179900	ST172799
CF4 4DL	Heath	51.508311	-3.19734	317000	179500	ST170795
CF4 4DN	Heath	51.508311	-3.19734	317000	179500	ST170795
CF4 4DP	Heath	51.510138	-3.194506	317200	179700	ST172797
CF4 4DQ	Heath	51.510138	-3.194506	317200	179700	ST172797
CF4 4EA	Heath	51.50921	-3.197364	317000	179600	ST169796
CF4 4EB	Heath	51.508325	-3.1959	317100	179500	ST170794
CF4 4ED	Heath	51.506557	-3.192972	317300	179300	ST172793
CF4 4EE	Heath	51.509254	-3.193042	317300	179600	ST172796

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