Use this guide to understand CF3 0JU in Wales. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography. Census 2021 records 117 residents and 36 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 0JU |
| Postcode without spaces | CF30JU |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | January 1992 |
| Directory version | 2026-06 |
| Latitude | 51.5187700 |
| Longitude | -3.1002070 |
| British National Grid | 323,759 E, 180,557 N |
| Country | Wales |
| Output Area (2021) | W00009672 |
| LSOA (2021) | W01001884 |
| MSOA (2021) | W02000379 |
| Electoral ward | W05001296 |
| Westminster constituency | W07000089 |
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 | 117 |
| Households | 36 |
| Female residents | 64 |
| Male residents | 53 |
| Residents per household | 3.3 |
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
Heol Maes Eirwg, Trowbridge, Cardiff, CF3 0JZ
Welsh establishment
Cemaes Crescent, Trowbridge, Cardiff, CF3 1TA
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Brynbala Way, Trowbridge, Cardiff (Caerdydd), CF3 1SX
Welsh establishment
Sandbrook Road, Trowbridge, Cardiff, CF3 0ST
B
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 26 August 2025
74902 - Quantity surveying activities
Private Limited Company
Incorporated 30 December 2022
43220 - Plumbing, heat and air-conditioning installation
Private Limited Company
Incorporated 20 October 2022
46900 - Non-specialised wholesale trade
Private Limited Company
Incorporated 12 August 2022
43999 - Other specialised construction activities n.e.c.
Private Limited Company
Incorporated 7 November 2016
81300 - Landscape service activities
Private Limited Company
Incorporated 28 November 2022
82990 - Other business support service activities n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 013D includes CF3 0JU and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 5 |
| Vehicle crime | 3 |
| Public order | 2 |
| Criminal damage and arson | 1 |
Answers use the geographic scope stated with each dataset above.
CF3 0JU is in Wales.
The Census 2021 postcode-level dataset records 117 residents at CF3 0JU. This is an exact postcode count.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF3 0JU postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.