Use this guide to understand CF23 5BJ 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 13 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 5BJ |
| Postcode without spaces | CF235BJ |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.4949800 |
| Longitude | -3.1591130 |
| British National Grid | 319,630 E, 177,975 N |
| Country | Wales |
| Output Area (2021) | W00009401 |
| LSOA (2021) | W01001823 |
| MSOA (2021) | W02000395 |
| 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 | 28 |
| Households | 13 |
| Female residents | 15 |
| Male residents | 13 |
| Residents per household | 2.2 |
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 |
|---|---|---|---|---|
| 20 Jun 2025 | 20, SANDRINGHAM ROAD, CARDIFF | Terraced | Freehold | £601,150 |
| 19 May 2023 | 32, SANDRINGHAM ROAD, CARDIFF | Terraced | Freehold | £512,000 |
Open schools and active GP practices in the CF23 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Agincourt Road, Roath, Cardiff, CF23 5BU
B
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
B
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
Welsh establishment
Circle Way East, Llanederyrn, Cardiff, CF23 9LD
Welsh establishment
Hammond Way, Penylan, Cardiff, CF23 9NB
Welsh establishment
Ty Gwyn Road, Penylan, Cardiff (Caerdydd), CF23 5QD
Welsh establishment
Llanedeyrn Road, Penylan, Cardiff, Cardiff (Caerdydd), CF23 9DT
Welsh establishment
Ael-Y-Bryn, Llanedeyrn, Cardiff, CF23 9LF
Welsh establishment
Wellwood, Llanedeyrn, Cardiff, CF23 9JN
Welsh establishment
Ontario Way, Cyncoed, Cardiff, CF23 6HB
Welsh establishment
Circle Way East, Llanedyern, Cardiff, CF23 9PD
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 26 January 2026
43390 - Other building completion and finishing
Private Limited Company
Incorporated 12 June 2018
43220 - Plumbing, heat and air-conditioning installation
Private Limited Company
Incorporated 11 April 2003
85100 - Pre-primary education
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 029B includes CF23 5BJ and other nearby postcodes.
| Crime type | Incidents |
|---|---|
| Violence and sexual offences | 3 |
| Public order | 2 |
| Vehicle crime | 2 |
| Anti-social behaviour | 1 |
| Other theft | 1 |
| Shoplifting | 1 |
Answers use the geographic scope stated with each dataset above.
CF23 5BJ is in Wales.
The Census 2021 postcode-level dataset records 28 residents at CF23 5BJ. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF23 5BJ postcode.
Vector Maps supplies editable UK postcode area, district and sector map files. For a vector or printed map focused on the full CF23 5BJ postcode and its approximate address-derived outline, request a custom map.
Explore other full postcodes in the same postcode sector.