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

Click to view map

Postcode	Ward	Latitude	Longitude	Easting	Northing	Grid ref
CF4 4SL	Rhiwbina	51.521736	-3.203458	316600	181000	ST165810
CF4 4SN	Rhiwbina	51.523534	-3.203505	316600	181200	ST166812
CF4 4SP	Rhiwbina	51.522635	-3.203482	316600	181100	ST165811
CF4 4SQ	Rhiwbina	51.523534	-3.203505	316600	181200	ST166812
CF4 4SR	Rhiwbina	51.523534	-3.203505	316600	181200	ST166812
CF4 4SS	Rhiwbina	51.523504	-3.206387	316400	181200	ST164811
CF4 4ST	Rhiwbina	51.522605	-3.206364	316400	181100	ST163810
CF4 4SU	Rhiwbina	51.52262	-3.204923	316500	181100	ST164811
CF4 4SW	Rhiwbina	51.522635	-3.203482	316600	181100	ST165811
CF4 4SX	Rhiwbina	51.52262	-3.204923	316500	181100	ST164811
CF4 4SY	Rhiwbina	51.521736	-3.203458	316600	181000	ST165810
CF4 4SZ	Rhiwbina	51.521721	-3.204899	316500	181000	ST164809
CF4 4TS	Rhiwbina	51.521721	-3.204899	316500	181000	ST164809
CF4 4TT	Rhiwbina	51.521721	-3.204899	316500	181000	ST164809
CF4 4UA	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4UB	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UD	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UE	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UF	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4UG	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UH	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UJ	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UL	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4UN	Heath	51.519083	-3.199064	316900	180700	ST169806
CF4 4UP	Heath	51.512805	-3.197458	317000	180000	ST170799
CF4 4UQ	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4US	Heath	51.506527	-3.195853	317100	179300	ST170792
CF4 4UT	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4UU	Heath	51.506527	-3.195853	317100	179300	ST170792
CF4 4UW	Heath	51.514981	-3.195771	317121	180240	ST171802
CF4 4UX	Heath	51.516372	-3.200434	316800	180400	ST168804
CF4 4UY	Heath	51.519054	-3.201946	316700	180700	ST166807
CF4 4UZ	Heath	51.519997	-3.197647	317000	180800	ST169808
CF4 4WA	Heath	51.519997	-3.197647	317000	180800	ST169808
CF4 4WZ	Heath	51.519997	-3.197647	317000	180800	ST169808
CF4 4XA	Heath	51.510079	-3.200269	316800	179700	ST167796
CF4 4XB	Heath	51.510584	-3.200167	316808	179756	ST168797
CF4 4XD	Heath	51.510079	-3.200269	316800	179700	ST167796
CF4 4XE	Heath	51.510978	-3.200292	316800	179800	ST168797
CF4 4XF	Heath	51.514574	-3.200387	316800	180200	ST167802
CF4 4XG	Heath	51.510584	-3.200167	316808	179756	ST168797
CF4 4XH	Heath	51.517256	-3.201899	316700	180500	ST166805
CF4 4XJ	Heath	51.519968	-3.200529	316800	180800	ST167808
CF4 4XL	Heath	51.510584	-3.200167	316808	179756	ST168797
CF4 4XN	Heath	51.506571	-3.191531	317400	179300	ST173792
CF4 4XP	Heath	51.517256	-3.201899	316700	180500	ST166805
CF4 4XQ	Heath	51.517256	-3.201899	316700	180500	ST166805
CF4 4XR	Heath	51.519997	-3.197647	317000	180800	ST169808
CF4 4XS	Heath	51.51282	-3.196017	317100	180000	ST171799
CF4 4XT	Heath	51.506557	-3.192972	317300	179300	ST172793
CF4 4XU	Heath	51.510584	-3.200167	316808	179756	ST168797
CF4 4XW	Heath	51.506571	-3.191531	317400	179300	ST173792
CF4 4XX	Heath	51.506557	-3.192972	317300	179300	ST172793
CF4 4XY	Gabalfa	51.504832	-3.185722	317800	179100	ST178791
CF4 4XZ	Gabalfa	51.504832	-3.185722	317800	179100	ST178791
CF4 4YA	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YB	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YD	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YE	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YF	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YG	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YH	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YJ	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YL	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YN	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YP	Heath	51.51369	-3.198922	316900	180100	ST169801
CF4 4YQ	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YR	Heath	51.51369	-3.198922	316900	180100	ST169801
CF4 4YS	Heath	51.51369	-3.198922	316900	180100	ST169801
CF4 4YT	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YU	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 4YW	Heath	51.506513	-3.197293	317000	179300	ST170793
CF4 5AA	Llanishen	51.52906	-3.190677	317500	181800	ST174818
CF4 5AB	Llanishen	51.53267	-3.189329	317600	182200	ST176821
CF4 5AD	Llanishen	51.533569	-3.189353	317600	182300	ST175822
CF4 5AE	Llanishen	51.529074	-3.189235	317600	181800	ST176817
CF4 5AF	Llanishen	51.533496	-3.196559	317100	182300	ST171823
CF4 5AG	Llanishen	51.533496	-3.196559	317100	182300	ST171823
CF4 5AH	Llanishen	51.534424	-3.1937	317300	182400	ST173823
CF4 5AJ	Llanishen	51.533511	-3.195118	317200	182300	ST171823
CF4 5AL	Llanishen	51.533511	-3.195118	317200	182300	ST171823
CF4 5AN	Llanishen	51.533525	-3.193677	317300	182300	ST172822
CF4 5AP	Llanishen	51.531815	-3.184982	317900	182100	ST178820
CF4 5AQ	Llanishen	51.533598	-3.18647	317800	182300	ST177822
CF4 5AR	Llanishen	51.534483	-3.187935	317700	182400	ST176824
CF4 5AS	Llanishen	51.533598	-3.18647	317800	182300	ST177822
CF4 5AT	Llanishen	51.534483	-3.187935	317700	182400	ST176824
CF4 5AU	Llanishen	51.534483	-3.187935	317700	182400	ST176824
CF4 5AW	Llanishen	51.534497	-3.186493	317800	182400	ST178823
CF4 5AX	Llanishen	51.533613	-3.185028	317900	182300	ST179823
CF4 5AY	Lisvane and Thornhill	51.543545	-3.18096	318200	183400	ST182834
CF4 5AZ	Lisvane and Thornhill	51.543545	-3.18096	318200	183400	ST182834
CF4 5BA	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5BB	Lisvane and Thornhill	51.545328	-3.182449	318100	183600	ST180835
CF4 5BD	Lisvane and Thornhill	51.545328	-3.182449	318100	183600	ST180835
CF4 5BE	Lisvane and Thornhill	51.544444	-3.180984	318200	183500	ST181835
CF4 5BF	Llanishen	51.533569	-3.189353	317600	182300	ST175822
CF4 5BG	Llanishen	51.531698	-3.196512	317100	182100	ST171821
CF4 5BH	Lisvane and Thornhill	51.540599	-3.205397	316500	183100	ST165831
CF4 5BJ	Llanishen	51.531683	-3.197953	317000	182100	ST170820

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