Postcodes in Cardiff page 155 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 5XB	Llanishen	51.532758	-3.180681	318200	182200	ST182822
CF4 5XD	Lisvane and Thornhill	51.536368	-3.179333	318300	182600	ST182826
CF4 5XE	Lisvane and Thornhill	51.536368	-3.179333	318300	182600	ST182826
CF4 5XF	Lisvane and Thornhill	51.537281	-3.177914	318400	182700	ST184826
CF4 5XG	Lisvane and Thornhill	51.537281	-3.177914	318400	182700	ST184826
CF4 5XH	Lisvane and Thornhill	51.535454	-3.180751	318200	182500	ST181824
CF4 5XJ	Lisvane and Thornhill	51.538166	-3.179379	318300	182800	ST183828
CF4 5XL	Llanishen	51.535469	-3.179309	318300	182500	ST183825
CF4 5XN	Lisvane and Thornhill	51.539094	-3.176519	318500	182900	ST185829
CF4 5XP	Lisvane and Thornhill	51.537252	-3.180797	318200	182700	ST182826
CF4 5XQ	Llanishen	51.53457	-3.179286	318300	182400	ST183824
CF4 5XR	Lisvane and Thornhill	51.539978	-3.177984	318400	183000	ST184829
CF4 5XS	Llanishen	51.527174	-3.199277	316900	181600	ST168816
CF4 5XT	Llanishen	51.533642	-3.182146	318100	182300	ST180822
CF4 5XU	Llanishen	51.533642	-3.182146	318100	182300	ST180822
CF4 5XW	Lisvane and Thornhill	51.53818	-3.177938	318400	182800	ST183827
CF4 5XX	Llanishen	51.533642	-3.182146	318100	182300	ST180822
CF4 5XY	Llanishen	51.523549	-3.202064	316700	181200	ST167812
CF4 5XZ	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YA	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YB	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YD	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YE	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YF	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5YG	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5YH	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5YJ	Llanishen	51.527648	-3.196838	317070	181650	ST170816
CF4 5YL	Llanishen	51.531771	-3.189306	317600	182100	ST175820
CF4 5YN	Llanishen	51.529944	-3.192141	317400	181900	ST174818
CF4 5YP	Llanishen	51.526334	-3.193488	317300	181500	ST173815
CF4 5YQ	Llanishen	51.526348	-3.192047	317400	181500	ST174814
CF4 5YR	Llanishen	51.526348	-3.192047	317400	181500	ST174814
CF4 5YS	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5YT	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5YU	Llanishen	51.528175	-3.189212	317600	181700	ST175816
CF4 5YW	Llanishen	51.527349	-3.181983	318100	181600	ST180815
CF4 5YX	Llanishen	51.529104	-3.186353	317800	181800	ST177818
CF4 5YY	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5YZ	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZA	Rhiwbina	51.53071	-3.205136	316500	182000	ST165819
CF4 5ZB	Llanishen	51.527203	-3.196394	317100	181600	ST171815
CF4 5ZD	Llanishen	51.527716	-3.190209	317530	181650	ST175816
CF4 5ZE	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZF	Lisvane and Thornhill	51.544386	-3.18675	317800	183500	ST178835
CF4 5ZG	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZH	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZJ	Llanishen	51.523666	-3.190536	317500	181200	ST174811
CF4 5ZL	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZN	Llanishen	51.526911	-3.198549	316950	181570	ST169815
CF4 5ZP	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5ZQ	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5ZR	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5ZS	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5ZT	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5ZU	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5ZW	Llanishen	51.522303	-3.191942	317400	181050	ST173810
CF4 5ZX	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5ZY	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 6AA	Heath	51.518096	-3.207686	316300	180600	ST162806
CF4 6AB	Heath	51.518096	-3.207686	316300	180600	ST162806
CF4 6AD	Heath	51.518081	-3.209127	316200	180600	ST161806
CF4 6AE	Rhiwbina	51.519864	-3.210615	316100	180800	ST161808
CF4 6AF	Heath	51.518081	-3.209127	316200	180600	ST161806
CF4 6AG	Rhiwbina	51.519864	-3.210615	316100	180800	ST161808
CF4 6AH	Rhiwbina	51.51898	-3.20915	316200	180700	ST162807
CF4 6AJ	Rhiwbina	51.521647	-3.212104	316000	181000	ST159810
CF4 6AL	Rhiwbina	51.521677	-3.209222	316200	181000	ST161810
CF4 6AN	Rhiwbina	51.521662	-3.210663	316100	181000	ST160810
CF4 6AP	Rhiwbina	51.520763	-3.210639	316100	180900	ST160809
CF4 6AQ	Rhiwbina	51.519864	-3.210615	316100	180800	ST161808
CF4 6AR	Rhiwbina	51.519879	-3.209174	316200	180800	ST162808
CF4 6AS	Rhiwbina	51.519864	-3.210615	316100	180800	ST161808
CF4 6AT	Rhiwbina	51.518995	-3.207709	316300	180700	ST163807
CF4 6AU	Rhiwbina	51.519009	-3.206269	316400	180700	ST163806
CF4 6AW	Rhiwbina	51.518995	-3.207709	316300	180700	ST163807
CF4 6AX	Rhiwbina	51.519009	-3.206269	316400	180700	ST163806
CF4 6BB	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BD	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BE	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BG	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BH	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BJ	Heath	51.517122	-3.214866	315800	180500	ST157804
CF4 6BL	Rhiwbina	51.518066	-3.210567	316100	180600	ST161806
CF4 6BN	Whitchurch and Tongwynlais	51.516208	-3.216283	315700	180400	ST156803
CF4 6BP	Heath	51.517137	-3.213425	315900	180500	ST159804
CF4 6BQ	Heath	51.517167	-3.210544	316100	180500	ST160805
CF4 6BR	Whitchurch and Tongwynlais	51.516193	-3.217724	315600	180400	ST155803
CF4 6BS	Rhiwbina	51.517107	-3.216307	315700	180500	ST156804
CF4 6BT	Rhiwbina	51.51892	-3.214914	315800	180700	ST157806
CF4 6BU	Rhiwbina	51.518021	-3.21489	315800	180600	ST157805
CF4 6BW	Rhiwbina	51.518935	-3.213473	315900	180700	ST158806
CF4 6BX	Rhiwbina	51.51892	-3.214914	315800	180700	ST157806
CF4 6BY	Heath	51.517122	-3.214866	315800	180500	ST157804
CF4 6BZ	Rhiwbina	51.518051	-3.212008	316000	180600	ST160805
CF4 6DA	Rhiwbina	51.518051	-3.212008	316000	180600	ST160805
CF4 6DB	Rhiwbina	51.518965	-3.210591	316100	180700	ST161807
CF4 6DD	Rhiwbina	51.519849	-3.212056	316000	180800	ST159808
CF4 6DE	Rhiwbina	51.519834	-3.213497	315900	180800	ST158807
CF4 6DF	Whitchurch and Tongwynlais	51.515324	-3.214818	315800	180300	ST158802
CF4 6DG	Rhiwbina	51.518935	-3.213473	315900	180700	ST158806

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