CF23 6JE maps, stats, and open data
CF23 6JE lies on Llandennis Avenue in Cardiff. CF23 6JE is located in the Cyncoed electoral ward, within the unitary authority of Cardiff and the Welsh Parliamentary constituency of Cardiff Central. 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 6JE maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF23 6JE geodata
| Easting | 318943 |
| Northing | 180661 |
| Latitude | 51.519030 |
| Longitude | -3.169617 |
Where is CF23 6JE?
| Street | Llandennis Avenue |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF23 |
CF23 6JE Elevation
Elevation or altitude of CF23 6JE 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 | Cyncoed |
|---|---|
| Constituency | Cardiff Central |
House Prices
Sales of detached houses in CF23 6JE
23, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2025 14 NOV £1,500,000 |
35, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2014 22 AUG £622,500 |
2013 17 SEP £690,000 |
37, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2011 19 DEC £530,000 |
2011 4 NOV £1,200,000 |
25, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2011 30 SEP £1,200,000 |
31, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2006 31 JAN £670,000 |
2004 24 NOV £495,000 |
2001 17 APR £425,000 |
31, LLANDENNIS AVENUE, CARDIFF, CF23 6JE 2000 15 MAY £400,000 |
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 6JE
| Llandennis Ave (Llandennis Avenue) | Cyncoed | 52m |
| Nant Fawr Crescent (Duffryn Avenue) | Cyncoed | 70m |
| Nant Fawr Crescent (Duffryn Avenue) | Cyncoed | 79m |
| Llandennis Ave (Llandennis Avenue) | Cyncoed | 84m |
| Duffryn Avenue | Cyncoed | 300m |
Nearest railway stations to CF23 6JE
| Heath High Level Station | 0.9km |
| Heath Low Level Station | 0.9km |
| Llanishen Station | 1.7km |
Broadband
Broadband access in CF23 6JE (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 6JE (2019 data)
Download
| Median download speed | 55.0Mbps |
| Average download speed | 47.1Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 12.8Mbps |
| Average upload speed | 12.4Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CF23 6JE (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 6JE gas and electricity consumption
Estimated total energy consumption in CF23 6JE by fuel type, 2015.
Gas
| Consumption (kWh) | 295,284 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 36,910 |
| Median (kWh/meter) | 34,580 |
Electricity
| Consumption (kWh) | 56,268 |
|---|---|
| Meter count | 7 |
| Mean (kWh/meter) | 8,038 |
| Median (kWh/meter) | 8,437 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF23 6JE, for 2015.
- Meter count: The total number of meters in CF23 6JE.
- 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
5.5% of Welsh postcodes are less deprived than CF23 6JE:Food Standards Agency
Three nearest food hygiene ratings to CF23 6JE (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF23 6JE
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Llangorse Road | 17:30 | 12:30 | 521m |
| Cyncoed Road Post Office | 18:30 | 12:00 | 758m |
| Heathwood Road East | 17:30 | 12:00 | 1,193m |
CF23 6JE ITL and CF23 6JE 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 6JE:
| 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 6JE 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 6JE:
| Code | Name | |
|---|---|---|
| OA | W00008961 | |
| LSOA | W01001732 | Cardiff 019A |
| MSOA | W02000385 | Cardiff 019 |
Nearest postcodes to CF23 6JE
| CF23 6JH | Llandennis Avenue | 64m |
| CF23 6JX | Llandennis Green | 96m |
| CF23 6JL | Duffryn Avenue | 110m |
| CF23 6JF | Llandennis Avenue | 147m |
| CF23 6JJ | Llandennis Avenue | 160m |
| CF23 6LL | Ogwen Drive | 162m |
| CF23 6JN | Nantfawr Crescent | 175m |
| CF23 6LF | Duffryn Avenue | 179m |
| CF23 6JP | Nantfawr Close | 181m |
| CF23 6LE | Duffryn Avenue | 187m |
- 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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