LL65 4SU lies on Llain Delyn in Gwalchmai, Holyhead. LL65 4SU is located in the Crigyll electoral ward, within the unitary authority of Isle of Anglesey and the Welsh Parliamentary constituency of Ynys Môn. 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 | 239247 |
| Northing | 375893 |
| Latitude | 53.255642 |
| Longitude | -4.411204 |
| Street | Llain Delyn |
| Locality | Gwalchmai |
| Town/City | Holyhead |
| Country | Wales |
| Postcode District | LL65 |
Elevation or altitude of LL65 4SU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 70m | 230ft |
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 | Crigyll |
|---|---|
| Constituency | Ynys Môn |
2026 16 FEB £198,000 |
2025 12 JUN £190,000 |
2022 29 JUL £210,000 |
2014 1 AUG £116,500 |
2013 13 DEC £112,000 |
2013 22 FEB £132,000 |
2, LLAIN DELYN, GWALCHMAI, HOLYHEAD, LL65 4SU 2012 6 JUL £114,000 |
2004 20 FEB £95,000 |
| Waverley (Crown Street) | Gwalchmai Uchaf | 192m |
| Waverley (Crown Street) | Gwalchmai Uchaf | 195m |
| Clock (London Road) | Gwalchmai Uchaf | 599m |
| Clock (London Road) | Gwalchmai Uchaf | 599m |
| Old Toll House (Holyhead Road) | Gwalchmai Uchaf | 689m |
| Ty Croes Station | 5.6km |
| 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
| Median download speed | 58.1Mbps |
| Average download speed | 54.0Mbps |
| Maximum download speed | 73.75Mbps |
| Median upload speed | 12.6Mbps |
| Average upload speed | 13.3Mbps |
| Maximum upload speed | 20.00Mbps |
| 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% |
Estimated total energy consumption in LL65 4SU by fuel type, 2015.
| Consumption (kWh) | 35,315 |
|---|---|
| Meter count | 11 |
| Mean (kWh/meter) | 3,210 |
| Median (kWh/meter) | 2,943 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Dothan | 11:00 | 10:30 | 2,446m |
| Gwyndy | 09:00 | 09:00 | 4,162m |
| Cerrig Ceinwen | 12:00 | 10:30 | 4,249m |
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 LL65 4SU:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL11 | Isle of Anglesey |
| LAU 1 Code | Name |
| W06000001 | Isle of Anglesey |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for LL65 4SU:
| Code | Name | |
|---|---|---|
| OA | W00000041 | |
| LSOA | W01000009 | Isle of Anglesey 007C |
| MSOA | W02000007 | Isle of Anglesey 007 |
| LL65 4RS | 25m | |
| LL65 4SA | Maes Meurig | 78m |
| LL65 4SB | Maes Meurig | 105m |
| LL65 4RY | Maes Meurig | 194m |
| LL65 4RT | Crown Street | 220m |
| LL65 4SL | 221m | |
| LL65 4RG | 246m | |
| LL65 4SD | Maes Meurig | 277m |
| LL65 4SG | 302m | |
| LL65 4RE | 330m |