Explore CF3 5UN in Wales on an interactive map. See its location and approximate address-derived boundary, then review the exact-postcode facts and wider-area statistics available below. Editable vector files, printed maps and postcode colouring tools are also available. Census 2021 records 12 residents and 7 households at the exact postcode.
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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 5UN |
| Postcode without spaces | CF35UN |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5249700 |
| Longitude | -3.1127390 |
| British National Grid | 322,900 E, 181,260 N |
| Country | Wales |
| Output Area (2021) | W00010645 |
| 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.
These Census figures are matched directly to the full postcode, rather than inferred from a wider neighbourhood.
| Residents | 12 |
| Households | 7 |
| Female residents | 7 |
| Male residents | 5 |
| Residents per household | 1.7 |
A detailed vector map covering a 500 metre radius around the postcode.
Land Registry Price Paid Data transactions matched to this exact full postcode.
| Sale date | Address | Property type | Tenure | Price |
|---|---|---|---|---|
| 28 Jun 2024 | FLAT, SEAVIEW STORES, NEWPORT ROAD, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £250,000 |
Open schools and active GP practices in the CF3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Newport Road, College Green, Old St Mellon's, Cardiff, CF3 5YX
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Cemaes Crescent, Trowbridge, Cardiff, CF3 1TA
Welsh establishment
Bridge Road, Old St Mellons, Cardiff, CF3 6UY
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 17 June 2026
47730 - Dispensing chemist in specialised stores
Private Limited Company
Incorporated 10 June 2026
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 8 November 2022
56302 - Public houses and bars
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 007D includes CF3 5UN 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 5UN is in Wales.
The Census 2021 postcode-level dataset records 12 residents at CF3 5UN. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 5UN postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF3 5UN postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.