| Postcode | LL77 7NZ | 
|---|---|
| Post Town | Rhosneigr, Llangefni | 
| Nearest station | Llanfairpwll (9 km) | 
| Bus stops | No nearby bus stops | 
| Number of UPRNs | 5 View | 
| Known addresses | Tyddyn Yr Aethnant, Rhosmeirch | 
| Main property type | Other | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.272961 | |
|---|---|---|
| Longitude | -4.306603 | |
| Easting | 246286 | |
| Northing | 377591 | |
| Grid reference | SH462775 | |
| UTM reference | 30U 412869 5903432 | |
| what3words | occupiers.zooms.according | |
| FixPhrase | crouton luminous stew tablet | |
| Plus code | 9C5Q7MFV+59 | |
| Altitude | 53 metres (173 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 7.1 KMs (4.4 miles) | 
| Parish | Llangefni | W04000024 | 
|---|---|---|
| Ward | Canolbarth Môn | W05001496 | 
| 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) | 13 | |
|---|---|---|
| Households (2011) | 4 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural village in a sparse setting | |
| Census output area (2021) | W00000064 | |
| Census output area (2011) | 1A1 | |
| Lower layer super output area (2021) | Isle of Anglesey 006C | W01000014 | 
| Lower layer super output area (2011) | Isle of Anglesey 006C | W01000014 | 
| Middle layer super output area (2021) | Llangefni | W02000006 | 
| Middle layer super output area (2011) | Llangefni | W02000006 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Tyddyn Yr Aethnant, Rhosmeirch | Other (freehold) | Jun 2024 | £650,000 |