Postcodes in Cardiff page 148 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 3HY	Llandaff North	51.503713	-3.207305	316300	179000	ST163790
CF4 3JL	Cathays	51.49677	-3.182632	318000	178200	ST179781
CF4 3JN	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3JP	Gabalfa	51.502077	-3.191414	317400	178800	ST173788
CF4 3JQ	Gabalfa	51.502961	-3.192878	317300	178900	ST172789
CF4 3JR	Gabalfa	51.502932	-3.195758	317100	178900	ST171789
CF4 3JS	Cathays	51.496756	-3.184072	317900	178200	ST179782
CF4 3JT	Gabalfa	51.499394	-3.189903	317500	178500	ST175784
CF4 3JU	Gabalfa	51.502932	-3.195758	317100	178900	ST171789
CF4 3JW	Gabalfa	51.502932	-3.195758	317100	178900	ST171789
CF4 3JX	Gabalfa	51.502961	-3.192878	317300	178900	ST172789
CF4 3JY	Gabalfa	51.502062	-3.192854	317300	178800	ST173787
CF4 3JZ	Gabalfa	51.502062	-3.192854	317300	178800	ST173787
CF4 3LA	Gabalfa	51.502077	-3.191414	317400	178800	ST173788
CF4 3LB	Gabalfa	51.500249	-3.194248	317200	178600	ST171785
CF4 3LD	Gabalfa	51.500249	-3.194248	317200	178600	ST171785
CF4 3LE	Gabalfa	51.500235	-3.195688	317100	178600	ST170786
CF4 3LF	Gabalfa	51.501148	-3.194271	317200	178700	ST171786
CF4 3LG	Gabalfa	51.501163	-3.192831	317300	178700	ST172786
CF4 3LW	Cathays	51.498539	-3.185559	317800	178400	ST177783
CF4 3LX	Cathays	51.499424	-3.187023	317700	178500	ST176785
CF4 3LY	Gabalfa	51.500308	-3.188486	317600	178600	ST176785
CF4 3LZ	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3NA	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3NB	Gabalfa	51.502077	-3.191414	317400	178800	ST173788
CF4 3ND	Gabalfa	51.502976	-3.191437	317400	178900	ST174789
CF4 3NE	Gabalfa	51.502946	-3.194318	317200	178900	ST171788
CF4 3NF	Gabalfa	51.503831	-3.195782	317100	179000	ST170790
CF4 3NG	Gabalfa	51.503831	-3.195782	317100	179000	ST170790
CF4 3NH	Gabalfa	51.503816	-3.197222	317000	179000	ST170790
CF4 3NJ	Gabalfa	51.502091	-3.189973	317500	178800	ST175787
CF4 3NL	Gabalfa	51.502976	-3.191437	317400	178900	ST174789
CF4 3NN	Gabalfa	51.503019	-3.187116	317700	178900	ST176788
CF4 3NP	Gabalfa	51.50299	-3.189997	317500	178900	ST174788
CF4 3NQ	Gabalfa	51.503019	-3.187116	317700	178900	ST176788
CF4 3NR	Gabalfa	51.502976	-3.191437	317400	178900	ST174789
CF4 3NT	Gabalfa	51.503831	-3.195782	317100	179000	ST170790
CF4 3NU	Gabalfa	51.503831	-3.195782	317100	179000	ST170790
CF4 3NW	Gabalfa	51.504715	-3.197246	317000	179100	ST169791
CF4 3NX	Gabalfa	51.504715	-3.197246	317000	179100	ST169791
CF4 3NY	Gabalfa	51.502961	-3.192878	317300	178900	ST172789
CF4 3PJ	Gabalfa	51.500352	-3.184165	317900	178600	ST179786
CF4 3PL	Cathays	51.498539	-3.185559	317800	178400	ST177783
CF4 3PN	Cathays	51.498539	-3.185559	317800	178400	ST177783
CF4 3PP	Cathays	51.499438	-3.185582	317800	178500	ST178784
CF4 3PQ	Gabalfa	51.501251	-3.184189	317900	178700	ST178787
CF4 3PR	Cathays	51.499438	-3.185582	317800	178500	ST178784
CF4 3PS	Gabalfa	51.500323	-3.187046	317700	178600	ST176786
CF4 3PT	Gabalfa	51.500323	-3.187046	317700	178600	ST176786
CF4 3PU	Gabalfa	51.500337	-3.185606	317800	178600	ST177785
CF4 3PW	Gabalfa	51.500323	-3.187046	317700	178600	ST176786
CF4 3PX	Gabalfa	51.501222	-3.187069	317700	178700	ST177787
CF4 3PY	Gabalfa	51.502135	-3.185652	317800	178800	ST178787
CF4 3PZ	Gabalfa	51.502135	-3.185652	317800	178800	ST178787
CF4 3QA	Gabalfa	51.502106	-3.188533	317600	178800	ST176788
CF4 3QB	Gabalfa	51.501236	-3.185629	317800	178700	ST177786
CF4 3QD	Gabalfa	51.501207	-3.18851	317600	178700	ST175787
CF4 3QE	Gabalfa	51.501222	-3.187069	317700	178700	ST177787
CF4 3QF	Gabalfa	51.502106	-3.188533	317600	178800	ST176788
CF4 3QG	Gabalfa	51.502106	-3.188533	317600	178800	ST176788
CF4 3QH	Gabalfa	51.503019	-3.187116	317700	178900	ST176788
CF4 3QJ	Heath	51.513865	-3.181634	318100	180100	ST180800
CF4 3QL	Heath	51.515648	-3.183121	318000	180300	ST179802
CF4 3QN	Heath	51.511168	-3.181564	318100	179800	ST180797
CF4 3QW	Heath	51.507572	-3.181471	318100	179400	ST180793
CF4 3QX	Cathays	51.503063	-3.182795	318000	178900	ST179788
CF4 3QY	Heath	51.504847	-3.184282	317900	179100	ST178791
CF4 3QZ	Heath	51.506644	-3.184328	317900	179300	ST179792
CF4 3RA	Heath	51.508442	-3.184375	317900	179500	ST179794
CF4 3RB	Heath	51.507558	-3.182911	318000	179400	ST180794
CF4 3RD	Heath	51.508457	-3.182935	318000	179500	ST179795
CF4 3RE	Heath	51.510255	-3.182981	318000	179700	ST180797
CF4 3RF	Heath	51.510255	-3.182981	318000	179700	ST180797
CF4 3RG	Heath	51.514735	-3.184538	317900	180200	ST179802
CF4 3RH	Heath	51.511154	-3.183004	318000	179800	ST180798
CF4 3RJ	Heath	51.51475	-3.183098	318000	180200	ST179802
CF4 3RL	Heath	51.511168	-3.181564	318100	179800	ST180797
CF4 3SL	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3SR	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TD	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TF	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TG	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TH	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TJ	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TL	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TN	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TP	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TR	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TS	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TT	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TU	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TW	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3TX	Gabalfa	51.501192	-3.18995	317500	178700	ST174786
CF4 3UA	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UB	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UD	Heath	51.511168	-3.181564	318100	179800	ST180797
CF4 3UE	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UF	Heath	51.511168	-3.181564	318100	179800	ST180797
CF4 3UG	Gabalfa	51.503125	-3.191787	317376	178917	ST173789
CF4 3UH	Cathays	51.499424	-3.187023	317700	178500	ST176785

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