CF15 8GS is located in the Radyr electoral ward, within the unitary authority of Cardiff and the Welsh Parliamentary constituency of Cardiff West. The Local Health Board is Cardiff and Vale University and the police force is South Wales. This postcode has been in use since June 2019.


| Easting | 313182 |
| Northing | 179506 |
| Latitude | 51.507791 |
| Longitude | -3.252351 |
| Country | Wales |
| Postcode District | CF15 |
| Ward | Radyr |
|---|---|
| Constituency | Cardiff West |
21, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 30 AUG £195,996 |
16, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 23 AUG £509,995 |
17, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 9 AUG £444,995 |
31, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 21 JUN £454,995 |
15, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 31 MAY £364,995 |
37, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 3 MAY £389,995 |
45, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 3 MAY £389,995 |
43, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 28 APR £387,495 |
41, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 26 APR £444,995 |
39, ST JOHN AVENUE, RADYR, CARDIFF, CF15 8GS 2024 26 APR £444,995 |
| Heol Isaf | Radyr | 131m |
| Maes Y Llech (Llantrisant Road) | Radyr | 144m |
| Heol Isaf | Radyr | 166m |
| Maes Y Llech (Llantrisant Road) | Radyr | 184m |
| Shepley Court (Heol Isaf) | Radyr | 210m |
| Radyr Station | 1km |
| Danescourt Station | 1.5km |
| Llandaf Station | 1.6km |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 100.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| 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% |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Danescourt | 17:30 | 12:00 | 955m |
| Plasmawr Road Post Office | 17:30 | 12:15 | 1,366m |
| Newport Road The Walk | 17:00 | 12:15 | 1,464m |
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 CF15 8GS:
| 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 |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CF15 8GS:
| Code | Name | |
|---|---|---|
| OA | W00010150 | |
| LSOA | W01001948 | Cardiff 006E |
| MSOA | W02000372 | Cardiff 006 |
| CF15 8DX | Heol Isaf | 163m |
| CF15 8EA | Heol Isaf | 254m |
| CF15 8GH | Clos Parc Radyr | 355m |
| CF15 8EG | Lime Close | 395m |
| CF15 8EF | Woodfield Avenue | 430m |
| CF5 2DF | Buckley Close | 474m |
| CF15 8EH | Radyr Farm Road | 490m |
| CF15 8GB | Plas Y Mynach | 495m |
| CF5 2DG | Buckley Close | 527m |
| CF5 2SL | Peckham Close | 555m |