LL54 5SN maps, stats, and open data
LL54 5SN lies on Tyn Lon in Llandwrog, Caernarfon. LL54 5SN 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.
LL54 5SN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
LL54 5SN geodata
| Easting | 246415 |
| Northing | 356967 |
| Latitude | 53.087762 |
| Longitude | -4.294751 |
Where is LL54 5SN?
| Street | Tyn Lon |
| Locality | Llandwrog |
| Town/City | Caernarfon |
| Country | Wales |
| Postcode District | LL54 |
LL54 5SN Elevation
Elevation or altitude of LL54 5SN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 50m | 164ft |
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 | Y Groeslon |
|---|---|
| Constituency | Arfon |
Transport
Nearest bus stops to LL54 5SN
| Bethesda-bach (A499) | Bethesda-bach | 298m |
| Bethesda-bach (A499) | Bethesda-bach | 324m |
| Goat Hotel (A499) | Bethesda-bach | 914m |
| Goat Hotel (A499) | Bethesda-bach | 941m |
| Groeslon Ffrwd (A499) | Llandwrog | 975m |
Broadband
Broadband access in LL54 5SN (2020 data)
| Percentage of properties with Next Generation Access | 36.8% |
| Percentage of properties with Superfast Broadband | 36.8% |
| Percentage of properties with Ultrafast Broadband | 26.3% |
| Percentage of properties with Full Fibre Broadband | 26.3% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in LL54 5SN (2019 data)
Download
| Median download speed | 8.0Mbps |
| Average download speed | 8.1Mbps |
| Maximum download speed | 11.37Mbps |
Upload
| Median upload speed | 1.1Mbps |
| Average upload speed | 1.0Mbps |
| Maximum upload speed | 1.25Mbps |
Broadband limitations in LL54 5SN (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 | 63.2% |
LL54 5SN gas and electricity consumption
Estimated total energy consumption in LL54 5SN by fuel type, 2015.
Electricity
| Consumption (kWh) | 46,350 |
|---|---|
| Meter count | 11 |
| Mean (kWh/meter) | 4,214 |
| Median (kWh/meter) | 4,007 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in LL54 5SN, for 2015.
- Meter count: The total number of meters in LL54 5SN.
- 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
25.2% of Welsh postcodes are less deprived than LL54 5SN:Food Standards Agency
Three nearest food hygiene ratings to LL54 5SN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to LL54 5SN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Groeslon Post Office | 16:45 | 11:30 | 1,367m |
| Aberdesach | 11:00 | 10:00 | 2,696m |
| Rhostryfan Box | 11:00 | 11:00 | 3,394m |
LL54 5SN ITL and LL54 5SN 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 LL54 5SN:
| 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 |
LL54 5SN 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 LL54 5SN:
| Code | Name | |
|---|---|---|
| OA | W00000378 | |
| LSOA | W01000073 | Gwynedd 008A |
| MSOA | W02000017 | Gwynedd 008 |
Nearest postcodes to LL54 5SN
| LL54 5SH | 248m | |
| LL54 5SE | 248m | |
| LL54 5SG | 256m | |
| LL54 5SF | 415m | |
| LL54 5SL | 566m | |
| LL54 5TL | 593m | |
| LL54 5SW | 600m | |
| LL54 5TH | 824m | |
| LL54 5TF | 886m | |
| LL54 7UF | 901m |
- 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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