CF23 8SL maps, stats, and open data
CF23 8SL lies on Cranbourne Way in Pontprennau, Cardiff. CF23 8SL 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 8SL maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF23 8SL geodata
| Easting | 320222 |
| Northing | 182231 |
| Latitude | 51.533326 |
| Longitude | -3.151544 |
Where is CF23 8SL?
| Street | Cranbourne Way |
| Locality | Pontprennau |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF23 |
CF23 8SL Elevation
Elevation or altitude of CF23 8SL as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 50m | 164ft |
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 8SL
2025 1 AUG £405,000 |
2024 3 MAY £310,500 |
2022 28 SEP £395,000 |
2022 15 JUL £457,000 |
2022 30 JUN £447,000 |
2021 11 MAR £307,500 |
2020 7 FEB £318,000 |
2019 28 JUN £340,000 |
2018 26 FEB £390,000 |
2017 12 JUN £328,000 |
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 8SL
| Pentwyn Aldi (Pentwyn Road) | Pentwyn | 330m |
| Ty Cerrig (Pentwyn Road) | Pentwyn | 359m |
| Ty Cerrig (Pentwyn Road) | Pentwyn | 362m |
| Glyn Eiddw (Pentwyn Road) | Pentwyn | 388m |
| Glyn Eiddw (Pentwyn Road) | Pentwyn | 417m |
Nearest railway stations to CF23 8SL
| Llanishen Station | 2.1km |
| Lisvane & Thornhill Station | 2.7km |
| Heath High Level Station | 2.8km |
Broadband
Broadband access in CF23 8SL (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 | 94.3% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CF23 8SL (2019 data)
Download
| Median download speed | 40.0Mbps |
| Average download speed | 64.6Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 9.0Mbps |
| Average upload speed | 7.5Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CF23 8SL (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 8SL gas and electricity consumption
Estimated total energy consumption in CF23 8SL by fuel type, 2015.
Gas
| Consumption (kWh) | 929,673 |
|---|---|
| Meter count | 70 |
| Mean (kWh/meter) | 13,281 |
| Median (kWh/meter) | 12,041 |
Electricity
| Consumption (kWh) | 241,600 |
|---|---|
| Meter count | 63 |
| Mean (kWh/meter) | 3,835 |
| Median (kWh/meter) | 3,480 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF23 8SL, for 2015.
- Meter count: The total number of meters in CF23 8SL.
- 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
10% of Welsh postcodes are less deprived than CF23 8SL:Food Standards Agency
Three nearest food hygiene ratings to CF23 8SL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF23 8SL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Llandennis Avennue | 17:30 | 12:30 | 414m |
| Cyncoed Road Post Office | 18:30 | 12:00 | 1,336m |
| Bryn Celyn | 17:30 | 11:30 | 1,404m |
CF23 8SL ITL and CF23 8SL 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 8SL:
| 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 8SL 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 8SL:
| Code | Name | |
|---|---|---|
| OA | W00009494 | |
| LSOA | W01001841 | Cardiff 003A |
| MSOA | W02000369 | Cardiff 003 |
Nearest postcodes to CF23 8SL
| CF23 8RF | Wisley Place | 95m |
| CF23 8RE | Chamomile Close | 125m |
| CF23 8SE | Felbrigg Crescent | 151m |
| CF23 8SN | Tarragon Way | 166m |
| CF23 8RR | Claverton Way | 185m |
| CF23 8SA | Dartington Drive | 193m |
| CF23 8SD | Gaulden Grove | 216m |
| CF23 8NE | Butterfield Drive | 251m |
| CF23 8AH | Oakford Close | 277m |
| CF23 8SB | Lovage Close | 284m |
- 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)
GetTheData.com is owned and operated by GetTheData Publishing Limited.
Company Number: 11075184 · Registered in England and Wales.
Registered Office: 3rd Floor, 86-90 Paul Street, London, England, EC2A 4NE
By accessing our site you agree to us using cookies, and sharing information about your use of our site, in accordance with our privacy policy.