CF23 8AT maps, stats, and open data
CF23 8AT lies on Clos Dol Heulog in Pontprennau, Cardiff. CF23 8AT is located in the Pontprennau and Old St Mellons electoral ward, within the unitary authority of Cardiff and the Welsh Parliamentary constituency of Cardiff North. The Local Health Board is Cardiff and Vale University and the police force is South Wales. This postcode has been in use since May 2002.
CF23 8AT maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF23 8AT geodata
| Easting | 320572 |
| Northing | 182176 |
| Latitude | 51.532881 |
| Longitude | -3.146487 |
Where is CF23 8AT?
| Street | Clos Dol Heulog |
| Locality | Pontprennau |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF23 |
CF23 8AT Elevation
Elevation or altitude of CF23 8AT as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Pontprennau And Old St Mellons |
|---|---|
| Constituency | Cardiff North |
House Prices
Sales of detached houses in CF23 8AT
2024 14 NOV £365,000 |
2024 9 AUG £340,000 |
2022 22 JUL £370,000 |
2020 30 JUL £320,000 |
2017 1 NOV £267,000 |
2016 9 DEC £269,950 |
2015 23 OCT £300,000 |
2015 15 MAY £249,950 |
2012 30 NOV £270,000 |
2012 27 JUN £192,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to CF23 8AT
| Clos Cwm Du (Heol Glandulais) | Pontprennau | 278m |
| Clos Cwm Du (Heol Glandulais) | Pontprennau | 283m |
| Pentwyn Drive (Pentwyn Road) | Pentwyn | 317m |
| Glyn Eiddw (Pentwyn Road) | Pentwyn | 318m |
| Sindercombe Cl (Heol Glandulais) | Pontprennau | 325m |
Nearest railway stations to CF23 8AT
| Llanishen Station | 2.5km |
| Lisvane & Thornhill Station | 3km |
| Heath High Level Station | 3km |
Broadband
Broadband access in CF23 8AT (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CF23 8AT (2019 data)
Download
| Median download speed | 66.4Mbps |
| Average download speed | 55.4Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 18.1Mbps |
| Average upload speed | 13.8Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CF23 8AT (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
CF23 8AT gas and electricity consumption
Estimated total energy consumption in CF23 8AT by fuel type, 2015.
Gas
| Consumption (kWh) | 230,361 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 13,551 |
| Median (kWh/meter) | 12,927 |
Electricity
| Consumption (kWh) | 109,385 |
|---|---|
| Meter count | 24 |
| Mean (kWh/meter) | 4,558 |
| Median (kWh/meter) | 3,272 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF23 8AT, for 2015.
- Meter count: The total number of meters in CF23 8AT.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
12.5% of Welsh postcodes are less deprived than CF23 8AT:Food Standards Agency
Three nearest food hygiene ratings to CF23 8AT (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF23 8AT
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Llandennis Avennue | 17:30 | 12:30 | 546m |
| Bryn Celyn | 17:30 | 11:30 | 1,282m |
| Ball Road | 17:15 | 11:00 | 1,540m |
CF23 8AT ITL and CF23 8AT LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for CF23 8AT:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL22 | Cardiff and Vale of Glamorgan |
| LAU 1 Code | Name |
| W06000015 | Cardiff |
CF23 8AT census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CF23 8AT:
| Code | Name | |
|---|---|---|
| OA | W00009497 | |
| LSOA | W01001844 | Cardiff 003D |
| MSOA | W02000369 | Cardiff 003 |
Nearest postcodes to CF23 8AT
| CF23 8AS | Allt Y Wennol | 47m |
| CF23 8BX | Ambrooke Close | 66m |
| CF23 8QB | Heol Ty Ffynnon | 96m |
| CF23 8NF | Evenwood Close | 98m |
| CF23 8BY | Amblecote Close | 102m |
| CF23 8AZ | Oakmead Close | 111m |
| CF23 8BZ | Amberwood Close | 126m |
| CF23 8QE | Maes Brith Y Garn | 136m |
| CF23 8QD | Gelli Fron Goch | 145m |
| CF23 8NE | Butterfield Drive | 146m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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