LL54 6SY maps, stats, and open data
LL54 6SY is in Llanllyfni, Caernarfon. LL54 6SY is located in the Clynnog electoral ward, within the unitary authority of Gwynedd and the Welsh Parliamentary constituency of Dwyfor Meirionnydd. 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 6SY maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
LL54 6SY geodata
| Easting | 245958 |
| Northing | 350124 |
| Latitude | 53.026167 |
| Longitude | -4.298294 |
Where is LL54 6SY?
| Locality | Llanllyfni |
| Town/City | Caernarfon |
| Country | Wales |
| Postcode District | LL54 |
LL54 6SY Elevation
Elevation or altitude of LL54 6SY as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 120m | 394ft |
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 | Clynnog |
|---|---|
| Constituency | Dwyfor Meirionnydd |
Transport
Nearest bus stops to LL54 6SY
| Nebo Turn (Ffordd Nasareth) | Nasareth | 1,023m |
| Nebo Turn (Ffordd Nasareth) | Nasareth | 1,034m |
| Capel Nazareth (Ffordd Cae Duon) | Nasareth | 1,129m |
| Capel Nazareth (Ffordd Cae Duon) | Nasareth | 1,136m |
| Llwyd Coed Bach Cross (A487) | Llanllyfni | 1,210m |
Broadband
Broadband access in LL54 6SY (2020 data)
| Percentage of properties with Next Generation Access | 50.0% |
| Percentage of properties with Superfast Broadband | 50.0% |
| Percentage of properties with Ultrafast Broadband | 50.0% |
| Percentage of properties with Full Fibre Broadband | 50.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in LL54 6SY (2019 data)
Download
| Median download speed | 2.5Mbps |
| Average download speed | 3.7Mbps |
| Maximum download speed | 6.70Mbps |
Upload
| Median upload speed | 0.8Mbps |
| Average upload speed | 0.7Mbps |
| Maximum upload speed | 0.87Mbps |
Broadband limitations in LL54 6SY (2020 data)
| Percentage of properties unable to receive 2Mbps | 33.3% |
| Percentage of properties unable to receive 5Mbps | 33.3% |
| Percentage of properties unable to receive 10Mbps | 41.7% |
| Percentage of properties unable to receive 30Mbps | 41.7% |
LL54 6SY gas and electricity consumption
Estimated total energy consumption in LL54 6SY by fuel type, 2015.
Electricity
| Consumption (kWh) | 41,926 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 6,988 |
| Median (kWh/meter) | 6,543 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in LL54 6SY, for 2015.
- Meter count: The total number of meters in LL54 6SY.
- 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
61.8% of Welsh postcodes are less deprived than LL54 6SY:Food Standards Agency
Three nearest food hygiene ratings to LL54 6SY (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to LL54 6SY
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Tailon | 11:00 | 09:45 | 1,572m |
| Swan Pontllyfni | 09:30 | 08:15 | 3,693m |
| Clynnog Fawr Post Office | 16:45 | 11:00 | 4,499m |
LL54 6SY ITL and LL54 6SY 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 6SY:
| 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 6SY 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 6SY:
| Code | Name | |
|---|---|---|
| OA | W00000302 | |
| LSOA | W01000086 | Gwynedd 008B |
| MSOA | W02000017 | Gwynedd 008 |
Nearest postcodes to LL54 6SY
| LL54 6DN | 1084m | |
| LL54 6DW | 1125m | |
| LL54 6SU | 1142m | |
| LL54 6DY | 1335m | |
| LL54 6DU | 1367m | |
| LL54 6EW | 1389m | |
| LL54 6TA | 1414m | |
| LL54 6DH | 1503m | |
| LL54 5DE | 1582m | |
| LL54 6DT | 1595m |
- 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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