Postcodes in Cardiff page 150 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 4EF	Heath	51.512849	-3.193136	317300	180000	ST172799
CF4 4EG	Heath	51.513778	-3.190278	317500	180100	ST174801
CF4 4EH	Heath	51.515605	-3.187443	317700	180300	ST177803
CF4 4EJ	Heath	51.515619	-3.186002	317800	180300	ST178802
CF4 4EL	Heath	51.514735	-3.184538	317900	180200	ST179802
CF4 4EN	Heath	51.512952	-3.183051	318000	180000	ST179800
CF4 4EP	Heath	51.51024	-3.184422	317900	179700	ST178796
CF4 4EQ	Heath	51.508442	-3.184375	317900	179500	ST179794
CF4 4ER	Heath	51.506644	-3.184328	317900	179300	ST179792
CF4 4FR	Heath	51.506644	-3.184328	317900	179300	ST179792
CF4 4HA	Heath	51.516504	-3.187467	317700	180400	ST176804
CF4 4HB	Heath	51.518287	-3.188954	317600	180600	ST176805
CF4 4HD	Heath	51.518272	-3.190395	317500	180600	ST175805
CF4 4HE	Heath	51.519113	-3.196182	317100	180700	ST171807
CF4 4HF	Heath	51.517403	-3.18749	317700	180500	ST177805
CF4 4HG	Heath	51.520056	-3.191883	317400	180800	ST173808
CF4 4HH	Heath	51.520866	-3.200552	316800	180900	ST168808
CF4 4HJ	Heath	51.517344	-3.193253	317300	180500	ST173804
CF4 4HL	Heath	51.51733	-3.194694	317200	180500	ST172805
CF4 4HN	Heath	51.517344	-3.193253	317300	180500	ST173804
CF4 4HP	Heath	51.517432	-3.184608	317900	180500	ST179805
CF4 4HQ	Heath	51.516518	-3.186026	317800	180400	ST177803
CF4 4HR	Llanishen	51.518345	-3.183191	318000	180600	ST179805
CF4 4HS	Heath	51.51836	-3.18175	318100	180600	ST180806
CF4 4HT	Heath	51.51836	-3.18175	318100	180600	ST180806
CF4 4HU	Heath	51.517403	-3.18749	317700	180500	ST177805
CF4 4HW	Heath	51.517417	-3.186049	317800	180500	ST178804
CF4 4HX	Heath	51.518481	-3.187518	317700	180620	ST177806
CF4 4HY	Heath	51.520012	-3.196206	317100	180800	ST170808
CF4 4HZ	Heath	51.519171	-3.190419	317500	180700	ST174806
CF4 4JL	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4JN	Heath	51.51282	-3.196017	317100	180000	ST171799
CF4 4JP	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4JQ	Heath	51.513734	-3.1946	317200	180100	ST172801
CF4 4JR	Heath	51.515532	-3.194647	317200	180300	ST172803
CF4 4JS	Heath	51.518228	-3.194718	317200	180600	ST171805
CF4 4JT	Heath	51.514633	-3.194624	317200	180200	ST171802
CF4 4JU	Heath	51.515532	-3.194647	317200	180300	ST172803
CF4 4JW	Heath	51.51733	-3.194694	317200	180500	ST172805
CF4 4JX	Heath	51.513719	-3.196041	317100	180100	ST170800
CF4 4JY	Heath	51.514633	-3.194624	317200	180200	ST171802
CF4 4JZ	Heath	51.515517	-3.196088	317100	180300	ST170803
CF4 4LA	Heath	51.515517	-3.196088	317100	180300	ST170803
CF4 4LB	Heath	51.518214	-3.196159	317100	180600	ST170806
CF4 4LD	Heath	51.518214	-3.196159	317100	180600	ST170806
CF4 4LS	Heath	51.516445	-3.19323	317300	180400	ST172803
CF4 4LT	Heath	51.517359	-3.191813	317400	180500	ST173805
CF4 4LU	Heath	51.517388	-3.188931	317600	180500	ST175804
CF4 4LW	Heath	51.51646	-3.191789	317400	180400	ST174804
CF4 4LX	Heath	51.517388	-3.188931	317600	180500	ST175804
CF4 4LY	Heath	51.51646	-3.191789	317400	180400	ST174804
CF4 4LZ	Heath	51.516489	-3.188907	317600	180400	ST176803
CF4 4NA	Heath	51.51559	-3.188884	317600	180300	ST176802
CF4 4NB	Heath	51.515576	-3.190325	317500	180300	ST174803
CF4 4ND	Heath	51.514633	-3.194624	317200	180200	ST171802
CF4 4NE	Heath	51.514647	-3.193183	317300	180200	ST172801
CF4 4NR	Heath	51.513675	-3.200363	316800	180100	ST168801
CF4 4NS	Heath	51.517256	-3.201899	316700	180500	ST166805
CF4 4NT	Heath	51.517256	-3.201899	316700	180500	ST166805
CF4 4NU	Heath	51.513675	-3.200363	316800	180100	ST168801
CF4 4NW	Heath	51.512791	-3.198899	316900	180000	ST168800
CF4 4NX	Heath	51.513675	-3.200363	316800	180100	ST168801
CF4 4NY	Heath	51.513704	-3.197482	317000	180100	ST169800
CF4 4NZ	Heath	51.515502	-3.197529	317000	180300	ST169802
CF4 4PA	Heath	51.513704	-3.197482	317000	180100	ST169800
CF4 4PB	Heath	51.516401	-3.197552	317000	180400	ST170803
CF4 4PD	Heath	51.516401	-3.197552	317000	180400	ST170803
CF4 4PE	Heath	51.514574	-3.200387	316800	180200	ST167802
CF4 4PF	Heath	51.514574	-3.200387	316800	180200	ST167802
CF4 4PG	Heath	51.515473	-3.20041	316800	180300	ST168803
CF4 4PH	Heath	51.516386	-3.198993	316900	180400	ST169803
CF4 4PJ	Heath	51.515488	-3.19897	316900	180300	ST168803
CF4 4PL	Heath	51.516386	-3.198993	316900	180400	ST169803
CF4 4PN	Heath	51.515473	-3.20041	316800	180300	ST168803
CF4 4QA	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4QB	Heath	51.511877	-3.200316	316800	179900	ST167799
CF4 4QD	Heath	51.51366	-3.201804	316700	180100	ST166800
CF4 4QE	Heath	51.515458	-3.201851	316700	180300	ST167802
CF4 4QF	Heath	51.518155	-3.201922	316700	180600	ST167806
CF4 4QG	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4QH	Heath	51.511877	-3.200316	316800	179900	ST167799
CF4 4QL	Heath	51.516357	-3.201875	316700	180400	ST166804
CF4 4QN	Heath	51.515458	-3.201851	316700	180300	ST167802
CF4 4QP	Heath	51.514559	-3.201828	316700	180200	ST166801
CF4 4QQ	Heath	51.51366	-3.201804	316700	180100	ST166800
CF4 4QR	Heath	51.513645	-3.203245	316600	180100	ST165800
CF4 4QS	Heath	51.512746	-3.203221	316600	180000	ST165799
CF4 4QU	Heath	51.513631	-3.204685	316500	180100	ST165801
CF4 4QW	Heath	51.512761	-3.20178	316700	180000	ST167799
CF4 4QX	Heath	51.512746	-3.203221	316600	180000	ST165799
CF4 4QY	Heath	51.511862	-3.201757	316700	179900	ST166798
CF4 4QZ	Heath	51.511892	-3.198875	316900	179900	ST169799
CF4 4SA	Heath	51.518125	-3.204804	316500	180600	ST164805
CF4 4SB	Heath	51.51811	-3.206245	316400	180600	ST163805
CF4 4SD	Heath	51.518125	-3.204804	316500	180600	ST164805
CF4 4SE	Heath	51.519039	-3.203387	316600	180700	ST165806
CF4 4SF	Heath	51.519039	-3.203387	316600	180700	ST165806
CF4 4SG	Heath	51.518155	-3.201922	316700	180600	ST167806
CF4 4SH	Heath	51.519054	-3.201946	316700	180700	ST166807
CF4 4SJ	Rhiwbina	51.519938	-3.20341	316600	180800	ST166808

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