Explore CF23 5JJ in Wales through its map and available local datasets. The outline is an approximate boundary derived from address locations, while the information below distinguishes full-postcode records from statistics covering surrounding official areas. Census 2021 records 48 residents and 12 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 | CF23 5JJ |
| Postcode without spaces | CF235JJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5034100 |
| Longitude | -3.1635350 |
| British National Grid | 319,338 E, 178,917 N |
| Country | Wales |
| Output Area (2021) | W00010128 |
| LSOA (2021) | W01001821 |
| MSOA (2021) | W02000390 |
| Electoral ward | W05001288 |
| 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 | 48 |
| Households | 12 |
| Female residents | 24 |
| Male residents | 24 |
| Residents per household | 4.0 |
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 |
|---|---|---|---|---|
| 28 Jul 2025 | PENYLAN COTTAGE, TY GWYN AVENUE, CARDIFF | Detached | Freehold | £830,000 |
Open schools and active GP practices in the CF23 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Ty Gwyn Road, Penylan, Cardiff (Caerdydd), CF23 5QD
Welsh establishment
Llanedeyrn Road, Penylan, Cardiff, Cardiff (Caerdydd), CF23 9DT
B
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
B
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
Welsh establishment
Ael-Y-Bryn, Llanedeyrn, Cardiff, CF23 9LF
Welsh establishment
Hammond Way, Penylan, Cardiff, CF23 9NB
Welsh establishment
Wellwood, Llanedeyrn, Cardiff, CF23 9JN
Welsh establishment
Ontario Way, Cyncoed, Cardiff, CF23 6HB
Welsh establishment
Agincourt Road, Roath, Cardiff, CF23 5BU
Welsh establishment
Circle Way East, Llanederyrn, Cardiff, CF23 9LD
Welsh establishment
Pennsylvania, Llanedeyrn, Cardiff, CF23 9LS
B
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 6 June 2025
41100 - Development of building projects
Private Limited Company
Incorporated 5 June 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 19 May 2025
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 14 May 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 May 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 4 October 2024
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 4 June 2024
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 21 September 2022
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 13 July 2016
41202 - Construction of domestic buildings
Limited Liability Partnership
Incorporated 6 April 2010
None Supplied
Private Limited Company
Incorporated 26 September 2007
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 6 January 2005
82990 - Other business support service activities n.e.c.
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 024A includes CF23 5JJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 3 |
| Other theft | 1 |
Answers use the geographic scope stated with each dataset above.
CF23 5JJ is in Wales.
The Census 2021 postcode-level dataset records 48 residents at CF23 5JJ. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF23 5JJ postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF23 5JJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.