Postcodes in Cardiff page 100 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
CF23 5LG	Penylan	51.505838	-3.170714	318843	179195	ST188791
CF23 5LH	Penylan	51.505369	-3.166365	319144	179138	ST191791
CF23 5LJ	Penylan	51.504631	-3.168191	319016	179058	ST190790
CF23 5LL	Penylan	51.5035	-3.167139	319087	178931	ST190789
CF23 5LN	Penylan	51.503773	-3.168601	318986	178963	ST189789
CF23 5LP	Penylan	51.503588	-3.169115	318950	178943	ST189789
CF23 5LQ	Penylan	51.503881	-3.167667	319051	178974	ST190789
CF23 5LR	Penylan	51.504186	-3.168626	318985	179009	ST189790
CF23 5LS	Penylan	51.504846	-3.170055	318887	179084	ST188790
CF23 5LT	Penylan	51.502306	-3.166906	319101	178798	ST191787
CF23 5LU	Penylan	51.502783	-3.165939	319169	178850	ST191788
CF23 5LW	Penylan	51.502553	-3.166452	319133	178825	ST191788
CF23 5LX	Penylan	51.502175	-3.166572	319124	178783	ST191787
CF23 5LY	Penylan	51.502272	-3.165839	319175	178793	ST191787
CF23 5LZ	Penylan	51.504659	-3.162659	319400	179055	ST194790
CF23 5NA	Penylan	51.502458	-3.166118	319156	178814	ST191788
CF23 5NB	Penylan	51.506748	-3.168764	318980	179294	ST189792
CF23 5ND	Penylan	51.506055	-3.168746	318980	179217	ST189792
CF23 5NE	Penylan	51.506342	-3.168825	318975	179249	ST189792
CF23 5NF	Penylan	51.507825	-3.167134	319095	179412	ST190794
CF23 5NG	Penylan	51.507488	-3.167572	319064	179375	ST190793
CF23 5NJ	Penylan	51.503419	-3.1662	319152	178921	ST191789
CF23 5NN	Penylan	51.505129	-3.173246	318666	179119	ST186791
CF23 5NP	Cyncoed	51.508756	-3.172994	318690	179522	ST186795
CF23 5NQ	Cyncoed	51.511646	-3.1735	318660	179844	ST186798
CF23 5NR	Cyncoed	51.514888	-3.173901	318638	180205	ST186802
CF23 5NS	Penylan	51.504532	-3.172741	318700	179052	ST187790
CF23 5NT	Penylan	51.50644	-3.172516	318719	179264	ST187792
CF23 5NU	Penylan	51.503491	-3.170683	318841	178934	ST188789
CF23 5NW	Penylan	51.502596	-3.169349	318932	178833	ST189788
CF23 5NX	Penylan	51.503133	-3.169651	318912	178893	ST189788
CF23 5NY	Penylan	51.502991	-3.168595	318985	178876	ST189788
CF23 5NZ	Penylan	51.502483	-3.171752	318765	178823	ST187788
CF23 5PA	Penylan	51.505623	-3.17336	318659	179174	ST186791
CF23 5PB	Cyncoed	51.511763	-3.173503	318660	179857	ST186798
CF23 5PD	Penylan	51.502969	-3.173508	318644	178879	ST186788
CF23 5PG	Cyncoed	51.504142	-3.176636	318429	179013	ST184790
CF23 5PH	Cyncoed	51.506308	-3.176792	318422	179254	ST184792
CF23 5PJ	Cyncoed	51.508858	-3.177161	318401	179538	ST184795
CF23 5PL	Cyncoed	51.511324	-3.176922	318422	179812	ST184798
CF23 5PN	Cyncoed	51.512609	-3.176984	318420	179955	ST184799
CF23 5PP	Cyncoed	51.510472	-3.177563	318376	179718	ST183797
CF23 5PQ	Cyncoed	51.507324	-3.177698	318361	179368	ST183793
CF23 5PR	Cyncoed	51.508454	-3.177972	318344	179494	ST183794
CF23 5PS	Cyncoed	51.509853	-3.178325	318322	179650	ST183796
CF23 5PT	Cyncoed	51.505985	-3.177634	318363	179219	ST183792
CF23 5PU	Cyncoed	51.505257	-3.177529	318369	179138	ST183791
CF23 5PW	Cyncoed	51.504451	-3.177234	318388	179048	ST183790
CF23 5PX	Cyncoed	51.50394	-3.177063	318399	178991	ST183789
CF23 5QA	Heath	51.515522	-3.181469	318114	180284	ST181802
CF23 5QB	Heath	51.514751	-3.181305	318124	180198	ST181801
CF23 5QD	Penylan	51.50115	-3.165652	319186	178668	ST191786
CF23 5QE	Cyncoed	51.513139	-3.177905	318357	180015	ST183800
CF23 5QF	Cyncoed	51.51757	-3.180873	318159	180511	ST181805
CF23 5QG	Cyncoed	51.514889	-3.18004	318212	180212	ST182802
CF23 5QH	Cyncoed	51.514678	-3.180467	318182	180189	ST181801
CF23 5QJ	Heath	51.516467	-3.182372	318053	180390	ST180803
CF23 5QL	Heath	51.517334	-3.182813	318024	180487	ST180804
CF23 5QN	Cyncoed	51.516428	-3.179071	318282	180382	ST182803
CF23 5QP	Cyncoed	51.515654	-3.178186	318342	180295	ST183802
CF23 5QQ	Cyncoed	51.514915	-3.178412	318325	180213	ST183802
CF23 5QR	Cyncoed	51.512373	-3.179053	318276	179931	ST182799
CF23 5QS	Cyncoed	51.514833	-3.179347	318260	180205	ST182802
CF23 5QT	Cyncoed	51.512603	-3.178511	318314	179956	ST183799
CF23 5QU	Cyncoed	51.515305	-3.178927	318290	180257	ST182802
CF23 5QW	Cyncoed	51.513434	-3.178143	318341	180048	ST183800
CF23 5QX	Cyncoed	51.51339	-3.177162	318409	180042	ST184800
CF23 5QY	Cyncoed	51.514978	-3.177492	318389	180219	ST183802
CF23 5QZ	Penylan	51.502318	-3.160309	319559	178792	ST195787
CF23 5RA	Penylan	51.501	-3.160794	319523	178646	ST195786
CF23 5RB	Penylan	51.499821	-3.160908	319513	178515	ST195785
CF23 5RD	Penylan	51.50042	-3.160361	319552	178581	ST195785
CF23 5RE	Penylan	51.501219	-3.15956	319609	178669	ST196786
CF23 5RF	Penylan	51.499957	-3.160796	319521	178530	ST195785
CF23 5RH	Penylan	51.497888	-3.162659	319388	178302	ST193783
CF23 5RL	Penylan	51.498623	-3.162015	319434	178383	ST194783
CF23 5RZ	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5SA	Penylan	51.503153	-3.160431	319552	178885	ST195788
CF23 5SB	Penylan	51.505444	-3.162448	319416	179142	ST194791
CF23 5SD	Penylan	51.507116	-3.165185	319229	179331	ST192793
CF23 5SE	Penylan	51.493197	-3.15152	320153	177768	ST201777
CF23 5SG	Penylan	51.503062	-3.159578	319611	178874	ST196788
CF23 5SH	Penylan	51.504935	-3.161124	319507	179084	ST195790
CF23 5SJ	Penylan	51.50726	-3.164252	319294	179346	ST192793
CF23 5SL	Penylan	51.506038	-3.161469	319485	179207	ST194792
CF23 5SY	Penylan	51.496552	-3.164123	319284	178155	ST192781
CF23 5UJ	Penylan	51.50115	-3.165638	319187	178668	ST191786
CF23 5WA	Penylan	51.496481	-3.164049	319289	178147	ST192781
CF23 5WB	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5WF	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5WJ	Trowbridge	51.502015	-3.117381	322538	178712	ST225787
CF23 5WP	Trowbridge	51.502015	-3.117381	322538	178712	ST225787
CF23 5WR	Penylan	51.496481	-3.164049	319289	178147	ST192781
CF23 5WS	Penylan	51.496605	-3.154214	319972	178150	ST199781
CF23 5WW	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5WZ	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5XA	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5XF	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5XJ	Trowbridge	51.502015	-3.117366	322539	178712	ST225787
CF23 5XT	Trowbridge	51.502015	-3.117366	322539	178712	ST225787

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