LL54 7DY is located in the Y Groeslon electoral ward, within the unitary authority of Gwynedd and the Welsh Parliamentary constituency of Arfon. The Local Health Board is Betsi Cadwaladr University and the police force is North Wales. This postcode has been in use since January 1980.
| Easting | 247758 |
| Northing | 355918 |
| Latitude | 53.078724 |
| Longitude | -4.274218 |
| Country | Wales |
| Postcode District | LL54 |
Elevation or altitude of LL54 7DY as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 100m | 328ft |
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.
| Ward | Y Groeslon |
|---|---|
| Constituency | Arfon |
1, BRYN IAGO, GROESLON, CAERNARFON, LL54 7DY 2018 9 FEB £285,000 |
| Cae Sarn (Main Road) | Groeslon | 232m |
| Cae Sarn (Main Road) | Groeslon | 242m |
| Gladstone House (Gladstone Terrace) | Groeslon | 261m |
| Gladstone House (Gladstone Terrace) | Groeslon | 264m |
| Post Office (Main Road) | Groeslon | 373m |
| 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
| 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 |
| Groeslon Post Office | 16:45 | 11:30 | 425m |
| Rhostryfan Box | 11:00 | 11:00 | 2,731m |
| Aberdesach | 11:00 | 10:00 | 4,099m |
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 LL54 7DY:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL12 | Gwynedd |
| LAU 1 Code | Name |
| W06000002 | Gwynedd |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for LL54 7DY:
| Code | Name | |
|---|---|---|
| OA | W00000376 | |
| LSOA | W01000073 | Gwynedd 008A |
| MSOA | W02000017 | Gwynedd 008 |
| LL54 7EA | Bryn Ffynnon | 20m |
| LL54 7EB | 72m | |
| LL54 7DH | Ffordd Iago | 166m |
| LL54 7TN | Dol Elen | 180m |
| LL54 7TG | Rathbone Terrace | 227m |
| LL54 7TL | Dyffryn Terrace | 236m |
| LL54 7TE | Gladstone Terrace | 280m |
| LL54 7DG | 290m | |
| LL54 7TF | 306m | |
| LL54 7TQ | Cefn Dyffryn | 331m |