Use this guide to understand CF3 3JA 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 20 residents and 10 households at the exact postcode.
High-quality vector file formats. Instant download. Next-day prints.
Create a Custom MapChoose the type of postcode map that matches the level of detail and editing control you need.
Download layered UK postcode area, district and sector maps in formats including Adobe Illustrator, PDF and SVG. Individual boundaries can be coloured and edited for reports, presentations and print.
Browse Vector Map Files
Create sales territories, delivery zones or heat maps without specialist mapping software. Try the postcode sector map tool, then save and export maps with full access.
Try the Sector Map ToolReady-made vector files cover postcode areas, districts and sectors. For a map focused on the full CF3 3JA postcode or its approximate address-derived outline, ask us about custom digital and printed options.
Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | CF3 3JA |
| Postcode without spaces | CF33JA |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5080000 |
| Longitude | -3.1206680 |
| British National Grid | 322,321 E, 179,381 N |
| Country | Wales |
| Output Area (2021) | W00009624 |
| LSOA (2021) | W01001867 |
| MSOA (2021) | W02000382 |
| Electoral ward | W05001294 |
| 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 | 20 |
| Households | 10 |
| Female residents | 10 |
| Male residents | 10 |
| Residents per household | 2.0 |
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 |
|---|---|---|---|---|
| 5 Jul 2021 | 45, LLANSTEPHAN ROAD, RUMNEY, CARDIFF | Semi-detached | Freehold | £265,000 |
Open schools and active GP practices in the CF3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Llanstephan Road, Rumney, Cardiff, CF3 3JG
B
BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG
Welsh establishment
Barmouth Road, Rumney, Cardiff (Caerdydd), CF3 3HD
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Brynbala Way, Trowbridge, Cardiff (Caerdydd), CF3 1SX
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Blagdon Close, Llanrumney, Cardiff, CF3 4HF
Welsh establishment
Ridgeway Road, Llanrumney, Cardiff, CF3 4AB
Welsh establishment
Cemaes Crescent, Trowbridge, Cardiff, CF3 1TA
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Heol Maes Eirwg, Trowbridge, Cardiff, CF3 0JZ
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 20 August 2018
86101 - Hospital activities
Private Limited Company
Incorporated 15 January 2026
41202 - Construction of domestic buildings
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 016B includes CF3 3JA and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 7 |
| Vehicle crime | 2 |
| Anti-social behaviour | 1 |
| Criminal damage and arson | 1 |
| Other crime | 1 |
| Public order | 1 |
Answers use the geographic scope stated with each dataset above.
CF3 3JA is in Wales.
The Census 2021 postcode-level dataset records 20 residents at CF3 3JA. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 3JA postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF3 3JA postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.