Use this guide to understand CF23 5NB 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 111 residents and 47 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 5NB |
| Postcode without spaces | CF235NB |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | June 1999 |
| Directory version | 2026-06 |
| Latitude | 51.5067500 |
| Longitude | -3.1687640 |
| British National Grid | 318,981 E, 179,294 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 | 111 |
| Households | 47 |
| Female residents | 59 |
| Male residents | 52 |
| Residents per household | 2.4 |
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 |
|---|---|---|---|---|
| 5 Nov 2025 | 40, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £575,000 |
| 9 Sep 2025 | 36, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £460,000 |
| 28 Jun 2024 | 11, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £530,000 |
| 27 Jun 2024 | 37, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £710,000 |
| 28 Sep 2023 | 30, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £640,000 |
| 23 Sep 2022 | 35, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £562,500 |
| 13 Dec 2021 | 26, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £445,000 |
| 6 Aug 2021 | 28, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £543,000 |
| 27 Jan 2021 | 10, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £420,000 |
| 5 Jan 2021 | 13, FFORDD CWELLYN, CARDIFF | Detached | Freehold | £380,000 |
Open schools and active GP practices in the CF23 postcode district, ordered by straight-line distance where coordinates are available.
Welsh establishment
Ontario Way, Cyncoed, Cardiff, CF23 6HB
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
B
100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH
B
74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY
Welsh establishment
Wellwood, Llanedeyrn, Cardiff, CF23 9JN
Welsh establishment
Pennsylvania, Llanedeyrn, Cardiff, CF23 9LS
Welsh establishment
Llandennis Road, Cyncoed, Cardiff, CF23 6WG
B
LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF
Welsh establishment
Hammond Way, Penylan, Cardiff, CF23 9NB
Welsh establishment
Circle Way East, Llanederyrn, Cardiff, CF23 9LD
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 12 February 2026
82990 - Other business support service activities n.e.c.
Private Limited Company
Incorporated 25 November 2020
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 19 July 2020
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 9 December 2019
70229 - Management consultancy activities other than financial management
Private Limited Company
Incorporated 1 May 2014
41100 - Development of building projects
Private Limited Company
Incorporated 22 August 2012
68209 - Other letting and operating of own or leased real estate
Private Limited Company
Incorporated 18 November 2009
68100 - Buying and selling of own real estate
Private Limited Company
Incorporated 1 November 1930
68209 - Other letting and operating of own or leased real estate
Police.uk street-level incidents recorded across the postcode's containing LSOA in May 2026.
Cardiff 024C includes CF23 5NB 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 5NB is in Wales.
The Census 2021 postcode-level dataset records 111 residents at CF23 5NB. This is an exact postcode count.
Yes. The sold-price records shown on this page are Land Registry transactions matched to the full CF23 5NB postcode.
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Explore other full postcodes in the same postcode sector.