LL55 4DT maps, stats, and open data
LL55 4DT is in Cwm-y-glo, Caernarfon. LL55 4DT is located in the Cwm-y-glo 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.
LL55 4DT maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
LL55 4DT geodata
| Easting | 255140 |
| Northing | 362666 |
| Latitude | 53.141410 |
| Longitude | -4.167156 |
Where is LL55 4DT?
| Locality | Cwm-y-glo |
| Town/City | Caernarfon |
| Country | Wales |
| Postcode District | LL55 |
LL55 4DT Elevation
Elevation or altitude of LL55 4DT 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.
Politics
| Ward | Cwm-y-glo |
|---|---|
| Constituency | Arfon |
Transport
Nearest bus stops to LL55 4DT
| Capel Bach (Maes Gerddi) | Cwm-y-glo | 41m |
| Maes Gerddi | Cwm-y-glo | 96m |
| Capel Bach (Maes Gerddi) | Cwm-y-glo | 100m |
| Cwm-y-glo (Capel Bach) | Cwm-y-glo | 112m |
| Y Fricsan (Llanberis Road) | Brynrefail | 417m |
Broadband
Broadband access in LL55 4DT (2020 data)
| Percentage of properties with Next Generation Access | 88.9% |
| Percentage of properties with Superfast Broadband | 88.9% |
| Percentage of properties with Ultrafast Broadband | 88.9% |
| Percentage of properties with Full Fibre Broadband | 88.9% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband limitations in LL55 4DT (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 | 11.1% |
LL55 4DT gas and electricity consumption
Estimated total energy consumption in LL55 4DT by fuel type, 2015.
Gas
| Consumption (kWh) | 85,466 |
|---|---|
| Meter count | 7 |
| Mean (kWh/meter) | 12,209 |
| Median (kWh/meter) | 8,944 |
Electricity
| Consumption (kWh) | 21,537 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 2,692 |
| Median (kWh/meter) | 2,409 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in LL55 4DT, for 2015.
- Meter count: The total number of meters in LL55 4DT.
- 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
28% of Welsh postcodes are less deprived than LL55 4DT:Food Standards Agency
Three nearest food hygiene ratings to LL55 4DT (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to LL55 4DT
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Llanrug Post Office | 17:15 | 10:45 | 1,899m |
| Bethel Post Office | 17:30 | 10:30 | 2,177m |
| Nant Peris | 10:45 | 10:45 | 2,731m |
LL55 4DT ITL and LL55 4DT 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 LL55 4DT:
| 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 |
LL55 4DT 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 LL55 4DT:
| Code | Name | |
|---|---|---|
| OA | W00000316 | |
| LSOA | W01000053 | Gwynedd 004B |
| MSOA | W02000013 | Gwynedd 004 |
Nearest postcodes to LL55 4DT
| LL55 4DS | Glyndwr Terrace | 53m |
| LL55 4DF | 57m | |
| LL55 4DE | 75m | |
| LL55 4DH | 108m | |
| LL55 4DN | Bryn Crwn | 136m |
| LL55 4DD | 138m | |
| LL55 4DR | Pool Street | 139m |
| LL55 4DL | 150m | |
| LL55 4DP | 174m | |
| LL55 4DU | Bryn Hyfryd Terrace | 255m |
- 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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