Use this guide to understand CF23 5SJ 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 19 residents and 7 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 5SJ |
| Postcode without spaces | CF235SJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5072600 |
| Longitude | -3.1642520 |
| British National Grid | 319,295 E, 179,346 N |
| Country | Wales |
| Output Area (2021) | W00009410 |
| LSOA (2021) | W01001827 |
| 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 | 19 |
| Households | 7 |
| Female residents | 11 |
| Male residents | 8 |
| Residents per household | 2.7 |
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 |
|---|---|---|---|---|
| 9 Oct 2024 | 96, CYNCOED ROAD, CARDIFF | Detached | Freehold | £1,750,000 |
Open schools and active GP practices in the CF23 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Llanedeyrn Road, Penylan, Cardiff, Cardiff (Caerdydd), CF23 9DT
Welsh establishment
Ael-Y-Bryn, Llanedeyrn, Cardiff, CF23 9LF
Welsh establishment
Ontario Way, Cyncoed, Cardiff, CF23 6HB
Welsh establishment
Ty Gwyn Road, Penylan, Cardiff (Caerdydd), CF23 5QD
Welsh establishment
Wellwood, Llanedeyrn, Cardiff, CF23 9JN
B
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
Welsh establishment
Pennsylvania, Llanedeyrn, Cardiff, CF23 9LS
B
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
B
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
Welsh establishment
Hammond Way, Penylan, Cardiff, CF23 9NB
Welsh establishment
Llandennis Road, Cyncoed, Cardiff, CF23 6WG
Welsh establishment
Circle Way East, Llanedyern, Cardiff, CF23 9PD
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 1 December 2025
41100 - Development of building projects
Private Limited Company
Incorporated 18 November 2025
47910 - Retail sale via mail order houses or via Internet
Private Limited Company
Incorporated 16 September 2025
74909 - Other professional, scientific and technical activities n.e.c.
Limited Liability Partnership
Incorporated 22 April 2025
None Supplied
Private Limited Company
Incorporated 12 September 2022
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 20 March 2017
86101 - Hospital activities
Private Limited Company
Incorporated 31 October 2011
68100 - Buying and selling of own real estate
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 024C includes CF23 5SJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 2 |
| Anti-social behaviour | 1 |
| Other theft | 1 |
| Public order | 1 |
Answers use the geographic scope stated with each dataset above.
CF23 5SJ is in Wales.
The Census 2021 postcode-level dataset records 19 residents at CF23 5SJ. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF23 5SJ postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF23 5SJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.