| Postcode | LL65 1UL | 
|---|---|
| Post Town | Holyhead | 
| Nearest station | Holyhead (0 km) | 
| Bus stops | Clock (NW) Hill Street Car Park (NE) Railway Station (S) Railway Station (N) Port (NE) British Terrace (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 41 View | 
| Known addresses | 5 Market Street, Holyhead 12 Market Street, Holyhead 14 Market Street, Holyhead 16 Market Street, Holyhead 19 - 21 Market Street, Holyhead | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 53.310643 | |
|---|---|---|
| Longitude | -4.632916 | |
| Easting | 224685 | |
| Northing | 382534 | |
| Grid reference | SH246825 | |
| UTM reference | 30U 391206 5908071 | |
| what3words | dumpy.luggage.converged | |
| FixPhrase | crowbar lullaby scrooge unshaken | |
| Plus code | 9C5Q8968+7R | |
| Altitude | 13 metres (44 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 0.1 KMs (0.1 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) | 8 | |
|---|---|---|
| Households (2011) | 6 | |
| 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) | W00000077 | |
| Census output area (2011) | 7A2 | |
| 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 | 
|---|---|---|---|
| 5 Market Street, Holyhead | Other (freehold) | Jan 2022 | £62,500 | 
| 14 Market Street, Holyhead | Other (freehold) | Nov 2019 | £50,000 | 
| 16 Market Street, Holyhead | Detached (freehold) | Nov 2003 | £295,000 | 
| 19 - 21 Market Street, Holyhead | Detached (freehold) | Apr 2003 | £240,000 | 
| 12 Market Street, Holyhead | Detached (freehold) | Jul 2001 | £75,000 |