LL54 7TT lies on Lon Llainffynnon in Groeslon, Caernarfon. LL54 7TT 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 | 247544 |
| Northing | 355206 |
| Latitude | 53.072268 |
| Longitude | -4.277073 |
| Street | Lon Llainffynnon |
| Locality | Groeslon |
| Town/City | Caernarfon |
| Country | Wales |
| Postcode District | LL54 |
Elevation or altitude of LL54 7TT as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 110m | 361ft |
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, TYN Y WEIRGLODD, LON LLAINFFYNNON, GROESLON, CAERNARFON, LL54 7TT 2005 16 FEB £92,500 |
| Lon Llainfynnon (Main Road) | Groeslon | 393m |
| Lon Llainffynnon (Main Road) | Groeslon | 399m |
| Inigo Jones (A487) | Groeslon | 429m |
| Capel Bryn-rhos (Main Road) | Groeslon | 443m |
| Inigo Jones (A487) | Groeslon | 447m |
| 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 | 779m |
| Rhostryfan Box | 11:00 | 11:00 | 3,403m |
| Aberdesach | 11:00 | 10:00 | 4,092m |
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 7TT:
| 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 7TT:
| Code | Name | |
|---|---|---|
| OA | W00000381 | |
| LSOA | W01000073 | Gwynedd 008A |
| MSOA | W02000017 | Gwynedd 008 |
| LL54 7TS | Lon Llainffynnon | 63m |
| LL54 7TR | Lon Llainffynnon | 127m |
| LL54 7TP | Lon Llainffynnon | 354m |
| LL54 7TW | Caesarn | 370m |
| LL54 7DL | 399m | |
| LL54 7TU | 403m | |
| LL54 7TQ | Cefn Dyffryn | 465m |
| LL54 7UA | 469m | |
| LL54 7UD | 484m | |
| LL54 7UE | 497m |