| Postcode | LL65 1RT | 
|---|---|
| Post Town | Holyhead | 
| Nearest station | Holyhead (0 km) | 
| Bus stops | British Terrace (NE) Summer Hill (E) Clock (NW) Ysgol Ganradd Caergybi (NW) Railway Station (S) Chester Inn (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 11 View | 
| Known addresses | Flat 1, Ty Gwyn, Garreg Domas, Holyhead 1 Garreg Domas, Holyhead 2 Garreg Domas, Holyhead | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.310688 | |
|---|---|---|
| Longitude | -4.635335 | |
| Easting | 224524 | |
| Northing | 382545 | |
| Grid reference | SH245825 | |
| UTM reference | 30U 391045 5908079 | |
| what3words | crackling.provoking.enchanted | |
| FixPhrase | crowbar lullaby scrooge unwary | |
| Plus code | 9C5Q8967+7V | |
| Altitude | 24 metres (78 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 0.3 KMs (0.2 miles) | 
| Parish | Holyhead | W04000870 | 
|---|---|---|
| Ward | Tref Cybi | W05001503 | 
| Unitary Authority | Isle of Anglesey | W06000001 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Ynys Môn | W07000112 | 
| MP | Llinos Medi | Plaid Cymru | 
| Police force | North Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Isle of Anglesey | |
| NUTS/ITL 2 | North Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 7 | |
|---|---|---|
| Households (2011) | 7 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Urban city and town in a sparse setting | |
| Built up area (2024) | Holyhead | W45000638 | 
| Census output area (2021) | W00000075 | |
| Census output area (2011) | 8C2 | |
| Lower layer super output area (2021) | Isle of Anglesey 003A | W01000016 | 
| Lower layer super output area (2011) | Isle of Anglesey 003A | W01000016 | 
| Middle layer super output area (2021) | Holyhead | W02000003 | 
| Middle layer super output area (2011) | Holyhead | W02000003 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Garreg Domas, Holyhead | Terraced (freehold) | Dec 2022 | £100,000 | 
| Terraced (freehold) | Dec 2007 | £102,500 | |
| Flat 1, Ty Gwyn, Garreg Domas, Holyhead | Other (freehold) | May 2022 | £89,000 | 
| Flat (leasehold) | Apr 2005 | £40,000 | |
| 2 Garreg Domas, Holyhead | Terraced (freehold) | May 2018 | £210,000 | 
| Semi-detached (freehold) | Apr 2012 | £115,000 |