Explore CF3 5YX in Wales through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | CF3 5YX |
| Postcode without spaces | CF35YX |
| Status | Active postcode |
| User type | Large user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5282600 |
| Longitude | -3.1107440 |
| British National Grid | 323,044 E, 181,624 N |
| Country | Wales |
| Output Area (2021) | W00010623 |
| LSOA (2021) | W01001840 |
| MSOA (2021) | W02000373 |
| Electoral ward | W05001290 |
| Westminster constituency | W07000090 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
A detailed vector map covering a 500 metre radius around the postcode.
Open schools and active GP practices in the CF3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Newport Road, College Green, Old St Mellon's, Cardiff, CF3 5YX
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Bridge Road, Old St Mellons, Cardiff, CF3 6UY
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
B
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
Welsh establishment
Heol Maes Eirwg, Trowbridge, Cardiff, CF3 0JZ
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 6 September 2021
99999 - Dormant Company
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 20 September 2018
99999 - Dormant Company
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 24 March 1987
85590 - Other education n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 007D includes CF3 5YX and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 5 |
| Criminal damage and arson | 3 |
| Public order | 2 |
Answers use the geographic scope stated with each dataset above.
CF3 5YX is in Wales.
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Explore other full postcodes in the same postcode sector.