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 3TR	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TS	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TT	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TU	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TW	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3TX	Gabalfa	51.501193	-3.189959	317499	178700	ST174787
CF4 3UA	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UB	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UD	Heath	51.511169	-3.181572	318099	179800	ST180798
CF4 3UE	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UF	Heath	51.511169	-3.181572	318099	179800	ST180798
CF4 3UG	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UH	Cathays	51.499425	-3.187031	317699	178500	ST176785
CF4 3UJ	Gabalfa	51.498423	-3.19709	316999	178400	ST169784
CF4 3UL	Gabalfa	51.497421	-3.207148	316299	178300	ST162783
CF4 3UN	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UP	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UQ	Cathays	51.499425	-3.187031	317699	178500	ST176785
CF4 3UR	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3US	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3UT	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3UU	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3UW	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3UX	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3UY	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3UZ	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3WA	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3WB	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3WD	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3WE	Gabalfa	51.498496	-3.189888	317499	178400	ST174784
CF4 3XA	Gabalfa	51.497406	-3.208588	316199	178300	ST161783
CF4 3XB	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XD	Gabalfa	51.49664	-3.195602	317099	178200	ST170782
CF4 3XE	Gabalfa	51.497568	-3.192745	317299	178300	ST172783
CF4 3XF	Gabalfa	51.498467	-3.192769	317299	178400	ST172784
CF4 3XG	Gabalfa	51.498467	-3.192769	317299	178400	ST172784
CF4 3XH	Gabalfa	51.498467	-3.192769	317299	178400	ST172784
CF4 3XJ	Gabalfa	51.498467	-3.192769	317299	178400	ST172784
CF4 3XL	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XN	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XP	Gabalfa	51.501135	-3.19572	317099	178700	ST170787
CF4 3XQ	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XR	Gabalfa	51.502903	-3.198648	316899	178900	ST168789
CF4 3XS	Gabalfa	51.501032	-3.205803	316399	178700	ST163787
CF4 3XT	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XU	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XW	Gabalfa	51.499248	-3.204315	316499	178500	ST164785
CF4 3XX	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3XY	Llandaff North	51.500118	-3.207219	316299	178600	ST162786
CF4 3XZ	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3YA	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3YB	Gabalfa	51.503372	-3.191456	317399	178944	ST173789
CF4 3YD	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3YE	Cathays	51.49854	-3.185568	317799	178400	ST177784
CF4 3YF	Gabalfa	51.501152	-3.187869	317644	178693	ST176786
CF4 3YG	Gabalfa	51.502092	-3.189982	317499	178800	ST174788
CF4 3YH	Gabalfa	51.50165	-3.18925	317549	178750	ST175787
CF4 3YJ	Gabalfa	51.501208	-3.188518	317599	178700	ST175787
CF4 3YL	Gabalfa	51.501208	-3.188518	317599	178700	ST175787
CF4 3YN	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3YP	Gabalfa	51.503126	-3.191796	317375	178917	ST173789
CF4 3YQ	Gabalfa	51.501152	-3.187869	317644	178693	ST176786
CF4 3YR	Cathays	51.499439	-3.185591	317799	178500	ST177785
CF4 3YS	Cathays	51.499439	-3.185591	317799	178500	ST177785
CF4 3YT	Gabalfa	51.503948	-3.184267	317899	179000	ST178790
CF4 3YU	Gabalfa	51.503948	-3.184267	317899	179000	ST178790
CF4 3YW	Gabalfa	51.501208	-3.188518	317599	178700	ST175787
CF4 3YX	Gabalfa	51.503948	-3.184267	317899	179000	ST178790
CF4 3ZA	Gabalfa	51.503948	-3.184267	317899	179000	ST178790
CF4 4AA	Whitchurch and Tongwynlais	51.508253	-3.203111	316599	179500	ST165795
CF4 4AB	Whitchurch and Tongwynlais	51.508268	-3.201671	316699	179500	ST166795
CF4 4AD	Whitchurch and Tongwynlais	51.507383	-3.200207	316799	179400	ST167794
CF4 4AE	Heath	51.510979	-3.200301	316799	179800	ST167798
CF4 4AF	Whitchurch and Tongwynlais	51.507383	-3.200207	316799	179400	ST167794
CF4 4AG	Heath	51.510979	-3.200301	316799	179800	ST167798
CF4 4AH	Heath	51.509167	-3.201695	316699	179600	ST166796
CF4 4AJ	Whitchurch and Tongwynlais	51.508268	-3.201671	316699	179500	ST166795
CF4 4AL	Whitchurch and Tongwynlais	51.507383	-3.200207	316799	179400	ST167794
CF4 4AN	Heath	51.507398	-3.198766	316899	179400	ST168794
CF4 4AP	Heath	51.507413	-3.197325	316999	179400	ST169794
CF4 4AQ	Heath	51.507398	-3.198766	316899	179400	ST168794
CF4 4AR	Heath	51.507398	-3.198766	316899	179400	ST168794
CF4 4AS	Heath	51.510095	-3.198837	316899	179700	ST168797
CF4 4AT	Heath	51.510095	-3.198837	316899	179700	ST168797
CF4 4AU	Heath	51.510095	-3.198837	316899	179700	ST168797
CF4 4BD	Heath	51.511908	-3.197443	316999	179900	ST169799
CF4 4BE	Heath	51.511009	-3.19742	316999	179800	ST169798
CF4 4BG	Heath	51.509225	-3.195932	317099	179600	ST170796
CF4 4BH	Heath	51.511023	-3.195979	317099	179800	ST170798
CF4 4BJ	Heath	51.51375	-3.193168	317299	180100	ST172801
CF4 4BL	Heath	51.514663	-3.191751	317399	180200	ST173802
CF4 4BN	Heath	51.515577	-3.190334	317499	180300	ST174803
CF4 4BP	Heath	51.512836	-3.194585	317199	180000	ST171800
CF4 4BQ	Heath	51.512836	-3.194585	317199	180000	ST171800
CF4 4BR	Heath	51.514663	-3.191751	317399	180200	ST173802
CF4 4BS	Heath	51.514692	-3.188869	317599	180200	ST175802
CF4 4BT	Heath	51.514663	-3.191751	317399	180200	ST173802
CF4 4DA	Heath	51.509181	-3.200254	316799	179600	ST167796
CF4 4DB	Heath	51.509211	-3.197373	316999	179600	ST169796
CF4 4DD	Heath	51.509196	-3.198813	316899	179600	ST168796

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