CF23 5HJ maps, stats, and open data
CF23 5HJ lies on Clos Derwen in Cardiff. CF23 5HJ is located in the Penylan 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 December 1999.
CF23 5HJ maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CF23 5HJ geodata
| Easting | 319011 |
| Northing | 178646 |
| Latitude | 51.500926 |
| Longitude | -3.168174 |
Where is CF23 5HJ?
| Street | Clos Derwen |
| Town/City | Cardiff |
| Country | Wales |
| Postcode District | CF23 |
CF23 5HJ Elevation
Elevation or altitude of CF23 5HJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 20m | 66ft |
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 | Penylan |
|---|---|
| Constituency | Cardiff Central |
House Prices
Sales of detached houses in CF23 5HJ
2025 27 MAY £660,000 |
2022 12 SEP £407,000 |
2021 23 AUG £480,000 |
2020 3 APR £478,000 |
26, CLOS DERWEN, CARDIFF, CF23 5HJ 2019 15 APR £180,000 |
2018 3 JAN £450,000 |
2016 30 JUN £415,000 |
2016 17 JUN £306,000 |
2015 16 JAN £425,000 |
2015 15 JAN £363,000 |
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 5HJ
| Brandreth Rd (Brandreth Road) | Cardiff | 153m |
| Brandreth Rd (Brandreth Road) | Cardiff | 163m |
| Wasdale Close (Brandreth Road) | Cardiff | 192m |
| Wasdale Close (Brandreth Road) | Cardiff | 200m |
| Dorchester Court (Brandreth Road) | Cardiff | 255m |
Nearest railway stations to CF23 5HJ
| Cathays Station | 1.5km |
| Heath Low Level Station | 1.9km |
| Heath High Level Station | 2km |
Broadband
Broadband access in CF23 5HJ (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 5HJ (2019 data)
Download
| Median download speed | 33.3Mbps |
| Average download speed | 30.8Mbps |
| Maximum download speed | 56.00Mbps |
Upload
| Median upload speed | 8.2Mbps |
| Average upload speed | 7.6Mbps |
| Maximum upload speed | 19.53Mbps |
Broadband limitations in CF23 5HJ (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 5HJ gas and electricity consumption
Estimated total energy consumption in CF23 5HJ by fuel type, 2015.
Gas
| Consumption (kWh) | 705,795 |
|---|---|
| Meter count | 46 |
| Mean (kWh/meter) | 15,343 |
| Median (kWh/meter) | 14,832 |
Electricity
| Consumption (kWh) | 170,028 |
|---|---|
| Meter count | 44 |
| Mean (kWh/meter) | 3,864 |
| Median (kWh/meter) | 3,596 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CF23 5HJ, for 2015.
- Meter count: The total number of meters in CF23 5HJ.
- 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
4.1% of Welsh postcodes are less deprived than CF23 5HJ:Food Standards Agency
Three nearest food hygiene ratings to CF23 5HJ (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CF23 5HJ
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Tyn Y Coed Place | 17:30 | 12:00 | 541m |
| Ael Y Bryn | 17:30 | 11:45 | 567m |
| Wellfield Road | 17:30 | 12:30 | 624m |
CF23 5HJ ITL and CF23 5HJ 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 5HJ:
| 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 5HJ 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 5HJ:
| Code | Name | |
|---|---|---|
| OA | W00009389 | |
| LSOA | W01001827 | Cardiff 024C |
| MSOA | W02000390 | Cardiff 024 |
Nearest postcodes to CF23 5HJ
| CF23 5HB | Tydraw Road | 91m |
| CF23 5LX | Langdale Close | 176m |
| CF23 5LT | Brandreth Road | 186m |
| CF23 5HG | Linden Avenue | 191m |
| CF23 5NW | Brandreth Road | 203m |
| CF23 5LY | Langdale Close | 214m |
| CF23 5NA | Langdale Close | 223m |
| CF23 5LW | Brandreth Road | 228m |
| CF23 5NY | Wasdale Close | 231m |
| CF23 5HS | Pant Yr Wyn | 237m |
- 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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