This page brings together the map and available local information for CF3 4DY in Wales. The boundary shown is an approximation created from address points, and each data section explains whether its figures apply to the full postcode or a wider statistical area. Census 2021 records 26 residents and 11 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 4DY |
| Postcode without spaces | CF34DY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5183300 |
| Longitude | -3.1227100 |
| British National Grid | 322,197 E, 180,532 N |
| Country | Wales |
| Output Area (2021) | W00009306 |
| LSOA (2021) | W01001803 |
| MSOA (2021) | W02000381 |
| Electoral ward | W05001285 |
| 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 | 26 |
| Households | 11 |
| Female residents | 12 |
| Male residents | 14 |
| Residents per household | 2.4 |
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
Blagdon Close, Llanrumney, Cardiff, CF3 4HF
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Llanstephan Road, Rumney, Cardiff, CF3 3JG
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Welsh establishment
Brynbala Way, Trowbridge, Cardiff (Caerdydd), CF3 1SX
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Cemaes Crescent, Trowbridge, Cardiff, CF3 1TA
Welsh establishment
Ridgeway Road, Llanrumney, Cardiff, CF3 4AB
Companies House records whose registered-office address uses this exact postcode.
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 2 May 2014
59200 - Sound recording and music publishing activities
Private Limited Company
Incorporated 14 January 2025
43390 - Other building completion and finishing
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 015A includes CF3 4DY and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 8 |
| Anti-social behaviour | 2 |
| Possession of weapons | 2 |
| Burglary | 1 |
| Drugs | 1 |
| Public order | 1 |
| Vehicle crime | 1 |
Answers use the geographic scope stated with each dataset above.
CF3 4DY is in Wales.
The Census 2021 postcode-level dataset records 26 residents at CF3 4DY. 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 4DY postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.