CF3 6AY 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 November 2019.


| Easting | 321945 |
| Northing | 182088 |
| Latitude | 51.532282 |
| Longitude | -3.126686 |
| Country | Wales |
| Postcode District | CF3 |
| Ward | Pontprennau And Old St Mellons |
|---|---|
| Constituency | Cardiff North |
FAIRVIEW, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2023 19 OCT £660,000 |
MEADOW VIEW, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2020 17 DEC £449,995 |
THE WILLOWS, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2020 28 FEB £479,995 |
THE HOLLIES, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2020 31 JAN £479,995 |
HONEYSUCKLE HOUSE, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2020 17 JAN £479,995 |
ORCHARD HOUSE, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2020 16 JAN £439,995 |
FAIRVIEW, HEOL BENNETT, OLD ST MELLONS, CARDIFF, CF3 6AY 2019 20 NOV £429,995 |
| Asda (Heol Pontprennau) | Pontprennau | 264m |
| Asda (Heol Pontprennau) | Pontprennau | 315m |
| Heol Pontprennau | Pontprennau | 501m |
| Hazlitt Close (Burnham Avenue) | Llanrumney | 514m |
| Heol Pontprennau | Pontprennau | 550m |
| Llanishen Station | 3.8km |
| Heath High Level Station | 4.2km |
| Heath Low Level Station | 4.3km |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Ball Road | 17:15 | 11:00 | 1,016m |
| Coed Y Gores | 17:30 | 11:45 | 1,477m |
| Bryn Celyn | 17:30 | 11:30 | 1,751m |
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 CF3 6AY:
| 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 CF3 6AY:
| Code | Name | |
|---|---|---|
| OA | W00009479 | |
| LSOA | W01001843 | Cardiff 003C |
| MSOA | W02000369 | Cardiff 003 |
| CF23 8PE | Shields Close | 225m |
| CF23 8NP | Lascelles Drive | 230m |
| CF3 6YA | Church Road | 234m |
| CF23 8PF | Liddell Close | 242m |
| CF23 8NQ | Lascelles Drive | 250m |
| CF23 8NZ | Lascelles Drive | 253m |
| CF23 8PP | Grangewood Close | 285m |
| CF23 8NW | Wain Close | 320m |
| CF23 8NX | Bramshill Drive | 326m |
| CF23 8NY | Harefield Close | 355m |