Find CF3 6YG in Wales and explore the information recorded for it. The interactive map shows the postcode’s position and an approximate address-derived outline, with exact-postcode facts and wider neighbourhood statistics clearly identified below. Census 2021 records 112 residents and 49 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 6YG |
| Postcode without spaces | CF36YG |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | May 2018 |
| Directory version | 2026-06 |
| Latitude | 51.5368800 |
| Longitude | -3.1250260 |
| British National Grid | 322,068 E, 182,597 N |
| Country | Wales |
| Output Area (2021) | W00010552 |
| LSOA (2021) | W01002016 |
| MSOA (2021) | W02000369 |
| 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 | 112 |
| Households | 49 |
| Female residents | 52 |
| Male residents | 60 |
| Residents per household | 2.3 |
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 |
|---|---|---|---|---|
| 27 Mar 2026 | 185, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £299,000 |
| 16 Jan 2026 | 139, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £255,000 |
| 26 Sep 2025 | 117, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Terraced | Freehold | £287,500 |
| 24 Jul 2025 | 179, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £290,000 |
| 18 Jul 2025 | 193, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £285,000 |
| 21 May 2025 | 93, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £307,000 |
| 6 Mar 2025 | 201, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £315,000 |
| 14 Feb 2025 | 181, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £317,500 |
| 16 Dec 2024 | 197, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £285,000 |
| 16 Dec 2024 | 175, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £260,000 |
| 31 Oct 2024 | 185, MORTIMER AVENUE, OLD ST MELLONS, CARDIFF | Semi-detached | Freehold | £260,000 |
| 7 Oct 2024 | 187, MORTIMER AVENUE, OLD ST MELLONS, 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
Bridge Road, Old St Mellons, Cardiff, CF3 6UY
Welsh establishment
Shaw Close, Llanrumney, Cardiff, CF3 5NX
Welsh establishment
Browning Close, Llanrumney, Cardiff, CF3 5NJ
Welsh establishment
Newport Road, College Green, Old St Mellon's, Cardiff, CF3 5YX
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Blagdon Close, Llanrumney, Cardiff, CF3 4HF
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 17 September 2025
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 20 May 2023
43210 - Electrical installation
Private Limited Company
Incorporated 24 March 2023
98000 - Residents property management
Private Limited Company
Incorporated 17 November 2022
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 13 June 2016
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 1 December 2015
62020 - Information technology consultancy activities
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 003E includes CF3 6YG and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 7 |
| Anti-social behaviour | 3 |
| Possession of weapons | 3 |
| Burglary | 1 |
| Criminal damage and arson | 1 |
| Drugs | 1 |
| Public order | 1 |
| Shoplifting | 1 |
Answers use the geographic scope stated with each dataset above.
CF3 6YG is in Wales.
The Census 2021 postcode-level dataset records 112 residents at CF3 6YG. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 6YG postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF3 6YG postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.