Postcodes in Cardiff page 151 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 4QU	Heath	51.513632	-3.204694	316499	180100	ST164801
CF4 4QW	Heath	51.512762	-3.201789	316699	180000	ST166800
CF4 4QX	Heath	51.512748	-3.20323	316599	180000	ST165800
CF4 4QY	Heath	51.511863	-3.201766	316699	179900	ST166799
CF4 4QZ	Heath	51.511893	-3.198884	316899	179900	ST168799
CF4 4SA	Heath	51.518127	-3.204813	316499	180600	ST164806
CF4 4SB	Heath	51.518112	-3.206254	316399	180600	ST163806
CF4 4SD	Heath	51.518127	-3.204813	316499	180600	ST164806
CF4 4SE	Heath	51.51904	-3.203396	316599	180700	ST165807
CF4 4SF	Heath	51.51904	-3.203396	316599	180700	ST165807
CF4 4SG	Heath	51.518156	-3.201931	316699	180600	ST166806
CF4 4SH	Heath	51.519055	-3.201955	316699	180700	ST166807
CF4 4SJ	Rhiwbina	51.519939	-3.20342	316599	180800	ST165808
CF4 4SL	Rhiwbina	51.521737	-3.203467	316599	181000	ST165810
CF4 4SN	Rhiwbina	51.523535	-3.203515	316599	181200	ST165812
CF4 4SP	Rhiwbina	51.522636	-3.203491	316599	181100	ST165811
CF4 4SQ	Rhiwbina	51.523535	-3.203515	316599	181200	ST165812
CF4 4SR	Rhiwbina	51.523535	-3.203515	316599	181200	ST165812
CF4 4SS	Rhiwbina	51.523506	-3.206397	316399	181200	ST163812
CF4 4ST	Rhiwbina	51.522607	-3.206373	316399	181100	ST163811
CF4 4SU	Rhiwbina	51.522622	-3.204932	316499	181100	ST164811
CF4 4SW	Rhiwbina	51.522636	-3.203491	316599	181100	ST165811
CF4 4SX	Rhiwbina	51.522622	-3.204932	316499	181100	ST164811
CF4 4SY	Rhiwbina	51.521737	-3.203467	316599	181000	ST165810
CF4 4SZ	Rhiwbina	51.521723	-3.204908	316499	181000	ST164810
CF4 4TS	Rhiwbina	51.521723	-3.204908	316499	181000	ST164810
CF4 4TT	Rhiwbina	51.521723	-3.204908	316499	181000	ST164810
CF4 4UA	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4UB	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UD	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UE	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UF	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4UG	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UH	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UJ	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UL	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4UN	Heath	51.519085	-3.199073	316899	180700	ST168807
CF4 4UP	Heath	51.512807	-3.197467	316999	180000	ST169800
CF4 4UQ	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4US	Heath	51.506529	-3.195861	317099	179300	ST170793
CF4 4UT	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4UU	Heath	51.506529	-3.195861	317099	179300	ST170793
CF4 4UW	Heath	51.514982	-3.19578	317120	180240	ST171802
CF4 4UX	Heath	51.516373	-3.200443	316799	180400	ST167804
CF4 4UY	Heath	51.519055	-3.201955	316699	180700	ST166807
CF4 4UZ	Heath	51.519998	-3.197656	316999	180800	ST169808
CF4 4WA	Heath	51.519998	-3.197656	316999	180800	ST169808
CF4 4WZ	Heath	51.519998	-3.197656	316999	180800	ST169808
CF4 4XA	Heath	51.51008	-3.200278	316799	179700	ST167797
CF4 4XB	Heath	51.510585	-3.200176	316807	179756	ST168797
CF4 4XD	Heath	51.51008	-3.200278	316799	179700	ST167797
CF4 4XE	Heath	51.510979	-3.200301	316799	179800	ST167798
CF4 4XF	Heath	51.514575	-3.200396	316799	180200	ST167802
CF4 4XG	Heath	51.510585	-3.200176	316807	179756	ST168797
CF4 4XH	Heath	51.517257	-3.201908	316699	180500	ST166805
CF4 4XJ	Heath	51.519969	-3.200538	316799	180800	ST167808
CF4 4XL	Heath	51.510585	-3.200176	316807	179756	ST168797
CF4 4XN	Heath	51.506572	-3.19154	317399	179300	ST173793
CF4 4XP	Heath	51.517257	-3.201908	316699	180500	ST166805
CF4 4XQ	Heath	51.517257	-3.201908	316699	180500	ST166805
CF4 4XR	Heath	51.519998	-3.197656	316999	180800	ST169808
CF4 4XS	Heath	51.512821	-3.196026	317099	180000	ST170800
CF4 4XT	Heath	51.506558	-3.19298	317299	179300	ST172793
CF4 4XU	Heath	51.510585	-3.200176	316807	179756	ST168797
CF4 4XW	Heath	51.506572	-3.19154	317399	179300	ST173793
CF4 4XX	Heath	51.506558	-3.19298	317299	179300	ST172793
CF4 4XY	Gabalfa	51.504833	-3.185731	317799	179100	ST177791
CF4 4XZ	Gabalfa	51.504833	-3.185731	317799	179100	ST177791
CF4 4YA	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YB	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YD	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YE	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YF	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YG	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YH	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YJ	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YL	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YN	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YP	Heath	51.513691	-3.198931	316899	180100	ST168801
CF4 4YQ	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YR	Heath	51.513691	-3.198931	316899	180100	ST168801
CF4 4YS	Heath	51.513691	-3.198931	316899	180100	ST168801
CF4 4YT	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YU	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 4YW	Heath	51.506514	-3.197302	316999	179300	ST169793
CF4 5AA	Llanishen	51.529061	-3.190686	317499	181800	ST174818
CF4 5AB	Llanishen	51.532672	-3.189339	317599	182200	ST175822
CF4 5AD	Llanishen	51.533571	-3.189362	317599	182300	ST175823
CF4 5AE	Llanishen	51.529076	-3.189245	317599	181800	ST175818
CF4 5AF	Llanishen	51.533498	-3.196569	317099	182300	ST170823
CF4 5AG	Llanishen	51.533498	-3.196569	317099	182300	ST170823
CF4 5AH	Llanishen	51.534426	-3.19371	317299	182400	ST172824
CF4 5AJ	Llanishen	51.533512	-3.195128	317199	182300	ST171823
CF4 5AL	Llanishen	51.533512	-3.195128	317199	182300	ST171823
CF4 5AN	Llanishen	51.533527	-3.193686	317299	182300	ST172823
CF4 5AP	Llanishen	51.531817	-3.184991	317899	182100	ST178821
CF4 5AQ	Llanishen	51.5336	-3.186479	317799	182300	ST177823
CF4 5AR	Llanishen	51.534484	-3.187944	317699	182400	ST176824
CF4 5AS	Llanishen	51.5336	-3.186479	317799	182300	ST177823
CF4 5AT	Llanishen	51.534484	-3.187944	317699	182400	ST176824

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