Use this guide to understand CF3 5UP 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 28 residents and 14 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 5UP |
| Postcode without spaces | CF35UP |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5256800 |
| Longitude | -3.1128140 |
| British National Grid | 322,896 E, 181,339 N |
| Country | Wales |
| Output Area (2021) | W00009483 |
| 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 | 28 |
| Households | 14 |
| Female residents | 14 |
| Male residents | 14 |
| 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 |
|---|---|---|---|---|
| 18 Oct 2024 | OLD SCHOOL HOUSE, CHURCH LANE, OLD ST MELLONS, CARDIFF | Detached | Freehold | £232,000 |
| 8 Apr 2024 | 4, SCHOOL COTTAGES, CHURCH LANE, OLD ST MELLONS, CARDIFF | Detached | Freehold | £227,500 |
| 29 Jun 2021 | OLD SCHOOL HOUSE, CHURCH LANE, OLD ST MELLONS, CARDIFF | Detached | Freehold | £230,000 |
| 18 Dec 2020 | CHURCH VIEW COTTAGE, CHURCH LANE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £280,000 |
Open schools and active GP practices in the CF3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Newport Road, College Green, Old St Mellon's, Cardiff, CF3 5YX
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Bridge Road, Old St Mellons, Cardiff, CF3 6UY
Welsh establishment
Heol Maes Eirwg, Trowbridge, Cardiff, CF3 0JZ
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 24 June 2021
96020 - Hairdressing and other beauty treatment
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 007D includes CF3 5UP 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 5UP is in Wales.
The Census 2021 postcode-level dataset records 28 residents at CF3 5UP. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 5UP postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF3 5UP postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.