| Postcode | LL77 7PQ | 
|---|---|
| Post Town | Rhosneigr, Llangefni | 
| Nearest station | Bodorgan (9 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 15 View | 
| Known addresses | 3 Cefni Cottages, Llangefni 4 Cefni Cottages, Llangefni | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.266135 | |
|---|---|---|
| Longitude | -4.335808 | |
| Easting | 244314 | |
| Northing | 376895 | |
| Grid reference | SH443768 | |
| UTM reference | 30U 410907 5902708 | |
| what3words | nuns.worldwide.twinkling | |
| FixPhrase | crouton luminous stagnant throng | |
| Plus code | 9C5Q7M87+FM | |
| Altitude | 40 metres (133 feet) | |
| Sunrise (today) | 7:15 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 8.9 KMs (5.6 miles) | 
| Parish | Bodffordd | W04000005 | 
|---|---|---|
| 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) | 16 | |
|---|---|---|
| Households (2011) | 7 | |
| 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) | W00000022 | |
| Census output area (2011) | 1B1 | |
| Lower layer super output area (2021) | Isle of Anglesey 006A | W01000006 | 
| Lower layer super output area (2011) | Isle of Anglesey 006A | W01000006 | 
| 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 | 
|---|---|---|---|
| 3 Cefni Cottages, Llangefni | Terraced (freehold) | Nov 2019 | £169,950 | 
| Terraced (freehold) | Jul 2013 | £123,000 | |
| Terraced (freehold) | May 2003 | £89,000 | |
| 4 Cefni Cottages, Llangefni | Terraced (freehold) | Nov 2015 | £130,000 |