CF23 8LH maps, stats, and open data
CF23 8LH lies on Clos Gwy in Pontprennau, Cardiff. CF23 8LH 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 June 1999.
CF23 8LH maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF23 8LH geodata
| Easting | 320779 |
| Northing | 182436 |
| Latitude | 51.535247 |
| Longitude | -3.143562 |
Where is CF23 8LH?
| Street | Clos Gwy |
| Locality | Pontprennau |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF23 |
CF23 8LH Elevation
Elevation or altitude of CF23 8LH as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 60m | 197ft |
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 8LH
29, CLOS GWY, PONTPRENNAU, CARDIFF, CF23 8LH 2026 2 APR £351,000 |
2024 8 NOV £340,000 |
2024 25 OCT £335,000 |
2024 23 JUL £425,000 |
2022 17 AUG £340,000 |
2022 29 JUL £440,000 |
2021 12 MAR £418,000 |
2020 17 JUL £268,000 |
2020 5 FEB £385,000 |
2017 12 MAY £337,000 |
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 8LH
| Clos Cwm Du (Heol Glandulais) | Pontprennau | 62m |
| Clos Cwm Du (Heol Glandulais) | Pontprennau | 67m |
| Community Centre (Heol Pontprennau) | Pontprennau | 101m |
| Community Centre (Heol Pontprennau) | Pontprennau | 124m |
| Sindercombe Cl (Heol Glandulais) | Pontprennau | 150m |
Nearest railway stations to CF23 8LH
| Llanishen Station | 2.7km |
| Lisvane & Thornhill Station | 3.1km |
| Heath High Level Station | 3.4km |
Broadband
Broadband access in CF23 8LH (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 | 26.1% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CF23 8LH (2019 data)
Download
| Median download speed | 65.1Mbps |
| Average download speed | 45.0Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 13.5Mbps |
| Average upload speed | 10.9Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CF23 8LH (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 8LH gas and electricity consumption
Estimated total energy consumption in CF23 8LH by fuel type, 2015.
Gas
| Consumption (kWh) | 261,959 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 15,409 |
| Median (kWh/meter) | 12,569 |
Electricity
| Consumption (kWh) | 67,021 |
|---|---|
| Meter count | 23 |
| Mean (kWh/meter) | 2,914 |
| Median (kWh/meter) | 2,681 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF23 8LH, for 2015.
- Meter count: The total number of meters in CF23 8LH.
- 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
6.3% of Welsh postcodes are less deprived than CF23 8LH:Food Standards Agency
Three nearest food hygiene ratings to CF23 8LH (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF23 8LH
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Llandennis Avennue | 17:30 | 12:30 | 875m |
| Bryn Celyn | 17:30 | 11:30 | 1,544m |
| Ball Road | 17:15 | 11:00 | 1,606m |
CF23 8LH ITL and CF23 8LH 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 8LH:
| 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 8LH 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 8LH:
| Code | Name | |
|---|---|---|
| OA | W00009491 | |
| LSOA | W01001842 | Cardiff 003B |
| MSOA | W02000369 | Cardiff 003 |
Nearest postcodes to CF23 8LH
| CF23 8LF | Clos Nant Ddu | 70m |
| CF23 8LA | Clos Cwm Creunant | 117m |
| CF23 8LB | Clos Alyn | 133m |
| CF23 8LE | Clos Cwm Du | 136m |
| CF23 8LG | Clos Nant Y Cwm | 144m |
| CF23 8LD | Clos Nant Y Cor | 154m |
| CF23 8QD | Gelli Fron Goch | 188m |
| CF23 8GW | Maes Y Wennol | 190m |
| CF23 8LP | Sindercombe Close | 203m |
| CF23 8LJ | Maes Yr Hedydd | 207m |
- 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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