Use this guide to understand CF3 4DW 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 73 residents and 26 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 4DW |
| Postcode without spaces | CF34DW |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5154200 |
| Longitude | -3.1256360 |
| British National Grid | 321,989 E, 180,211 N |
| Country | Wales |
| Output Area (2021) | W00009309 |
| 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 | 73 |
| Households | 26 |
| Female residents | 37 |
| Male residents | 36 |
| Residents per household | 2.8 |
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 |
|---|---|---|---|---|
| 25 Jul 2025 | 143, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Semi-detached | Freehold | £262,000 |
| 9 Aug 2024 | 139, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Semi-detached | Freehold | £215,000 |
| 12 May 2023 | 127, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Semi-detached | Freehold | £240,000 |
| 18 Nov 2022 | 133, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Semi-detached | Freehold | £250,000 |
| 4 Mar 2020 | 107, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Terraced | Freehold | £160,000 |
| 27 Jan 2020 | 113, LLANRUMNEY AVENUE, LLANRUMNEY, CARDIFF | Terraced | Freehold | £155,000 |
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
Llanstephan Road, Rumney, Cardiff, CF3 3JG
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Ridgeway Road, Llanrumney, Cardiff, CF3 4AB
B
BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Brynbala Way, Trowbridge, Cardiff (Caerdydd), CF3 1SX
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Barmouth Road, Rumney, Cardiff (Caerdydd), CF3 3HD
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 015A includes CF3 4DW 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 4DW is in Wales.
The Census 2021 postcode-level dataset records 73 residents at CF3 4DW. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 4DW postcode.
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Explore other full postcodes in the same postcode sector.