Use this guide to understand CF3 0NZ 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 167 residents and 56 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 0NZ |
| Postcode without spaces | CF30NZ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | December 1998 |
| Directory version | 2026-06 |
| Latitude | 51.5162200 |
| Longitude | -3.0936600 |
| British National Grid | 324,209 E, 180,267 N |
| Country | Wales |
| Output Area (2021) | W00009711 |
| LSOA (2021) | W01001885 |
| MSOA (2021) | W02000377 |
| Electoral ward | W05001296 |
| 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 | 167 |
| Households | 56 |
| Female residents | 87 |
| Male residents | 80 |
| Residents per household | 3.0 |
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 |
|---|---|---|---|---|
| 16 Dec 2025 | 22, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £371,000 |
| 12 Dec 2025 | 26, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Semi-detached | Freehold | £370,000 |
| 31 Jul 2025 | 27, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £475,000 |
| 24 Oct 2024 | 5, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £225,000 |
| 22 Mar 2024 | 3, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Semi-detached | Freehold | £302,500 |
| 22 Sep 2023 | 35, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £575,000 |
| 7 Sep 2023 | 8, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £400,000 |
| 27 Jan 2023 | 16, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £423,000 |
| 1 Feb 2022 | 49, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £435,000 |
| 5 Nov 2021 | 5, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £250,000 |
| 22 Oct 2021 | 40, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £440,000 |
| 8 Oct 2021 | 31, WILLIAM BELCHER DRIVE, ST MELLONS, CARDIFF | Detached | Freehold | £425,000 |
Open schools and active GP practices in the CF3 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Heol Maes Eirwg, Trowbridge, Cardiff, CF3 0JZ
Welsh establishment
Sandbrook Road, Trowbridge, Cardiff, CF3 0ST
Welsh establishment
Cemaes Crescent, Trowbridge, Cardiff, CF3 1TA
B
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
Welsh establishment
Brynbala Way, Trowbridge, Cardiff (Caerdydd), CF3 1SX
Welsh establishment
Glan-Y-Mor Road, Trowbridge, Cardiff, CF3 1RQ
B
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
Welsh establishment
Willowbrook Drive, Trowbridge, Cardiff, CF3 0AY
Welsh establishment
Ferntree Drive, Trowbridge, Cardiff, CF3 0AA
Welsh establishment
Newport Road, Rumney, Cardiff, CF3 1XQ
Welsh establishment
Eastern Community Campus, Trowbridge Road, Trowbridge, Cardiff, CF3 1XZ
Welsh establishment
Dunster Road, Llanrumney, Cardiff, CF3 5TP
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 13 April 2026
45112 - Sale of used cars and light motor vehicles
Private Limited Company
Incorporated 17 February 2026
47730 - Dispensing chemist in specialised stores
Private Limited Company
Incorporated 15 June 2025
86900 - Other human health activities
Private Limited Company
Incorporated 19 April 2016
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 29 February 2012
56103 - Take-away food shops and mobile food stands
Private Limited Company
Incorporated 2 June 2009
14132 - Manufacture of other women's outerwear
Private Limited Company
Incorporated 5 September 2002
4531 - Installation electrical wiring etc.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 011D includes CF3 0NZ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 16 |
| Criminal damage and arson | 3 |
| Other theft | 3 |
| Public order | 3 |
| Vehicle crime | 3 |
| Anti-social behaviour | 1 |
Answers use the geographic scope stated with each dataset above.
CF3 0NZ is in Wales.
The Census 2021 postcode-level dataset records 167 residents at CF3 0NZ. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF3 0NZ postcode.
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Explore other full postcodes in the same postcode sector.