| Postcode | LL77 7NY | 
|---|---|
| Post Town | Rhosneigr, Llangefni | 
| Nearest station | Llanfairpwll (8 km) | 
| Bus stops | Post Office (SE) Ynys Mon County Hall (SE) Ysgol (NW) Lon Las Bowling Green (NE) Lon Las Bowling Green (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 44 View | 
| Known addresses | Cae Elen, 3 Ponc Y Fron, Llangefni Coed Y Bryn, Ponc Y Fron, Llangefni Dirion Dir, Ponc Y Fron, Llangefni Gwenlan, Ponc Y Fron, Llangefni Iscoed, Ponc Y Fron, Llangefni Tyn Y Gamdda, Lon Fron, Llangefni 1A Ponc Y Fron, Llangefni 1C Ponc Y Fron, Llangefni 3 Ponc Y Fron, Llangefni 5 Ponc Y Fron, Llangefni 6 Ponc Y Fron, Llangefni 8 Ponc Y Fron, Llangefni 9 Ponc Y Fron, Llangefni 10 Ponc Y Fron, Llangefni 12 Ponc Y Fron, Llangefni 13 Ponc Y Fron, Llangefni 14 Ponc Y Fron, Llangefni 15 Ponc Y Fron, Llangefni 17 Ponc Y Fron, Llangefni 20 Ponc Y Fron, Llangefni 21 Ponc Y Fron, Llangefni 23 Ponc Y Fron, Llangefni 25 Ponc Y Fron, Llangefni 26 Ponc Y Fron, Llangefni 27 Ponc Y Fron, Llangefni 28 Ponc Y Fron, Llangefni 29 Ponc Y Fron, Llangefni 35 Ponc Y Fron, Llangefni 39 Ponc Y Fron, Llangefni 41 Ponc Y Fron, Llangefni | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 53.254745 | |
|---|---|---|
| Longitude | -4.314078 | |
| Easting | 245722 | |
| Northing | 375581 | |
| Grid reference | SH457755 | |
| UTM reference | 30U 412333 5901415 | |
| what3words | moved.screamed.revisits | |
| FixPhrase | crouton luminous speller unwomanly | |
| Plus code | 9C5Q7M3P+V9 | |
| Altitude | 31 metres (101 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 8.4 KMs (5.2 miles) | 
| Parish | Llangefni | W04000024 | 
|---|---|---|
| Ward | Cefni | W05001497 | 
| 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) | 75 | |
|---|---|---|
| Households (2011) | 34 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Larger rural Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe in a sparse setting | |
| Built up area (2024) | Llangefni | W45000677 | 
| Census output area (2021) | W00000054 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Isle of Anglesey 006B | W01000012 | 
| Lower layer super output area (2011) | Isle of Anglesey 006B | W01000012 | 
| 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 | 
|---|---|---|---|
| 23 Ponc Y Fron, Llangefni | Detached (freehold) | Nov 2024 | £195,000 | 
| Detached (freehold) | Jul 2010 | £180,000 | |
| Detached (freehold) | Apr 2006 | £189,950 | |
| Detached (freehold) | Sep 1998 | £58,000 | |
| Cae Elen, 3 Ponc Y Fron, Llangefni | Detached (freehold) | Jun 2023 | £290,000 | 
| 1A Ponc Y Fron, Llangefni | Detached (freehold) | Apr 2023 | £300,000 | 
| New build detached (freehold) | Mar 2021 | £280,000 | |
| Dirion Dir, Ponc Y Fron, Llangefni | Other (freehold) | Mar 2023 | £425,000 | 
| Gwenlan, Ponc Y Fron, Llangefni | New build detached (freehold) | Sep 2022 | £285,000 | 
| 6 Ponc Y Fron, Llangefni | Detached (freehold) | Jul 2022 | £250,000 | 
| Detached (freehold) | Jun 2010 | £162,500 | |
| Iscoed, Ponc Y Fron, Llangefni | New build detached (freehold) | May 2022 | £285,000 | 
| 1C Ponc Y Fron, Llangefni | New build detached (freehold) | Dec 2021 | £285,000 | 
| Coed Y Bryn, Ponc Y Fron, Llangefni | New build detached (freehold) | Jun 2021 | £285,000 | 
| Other (freehold) | Jul 2019 | £250,000 | |
| 15 Ponc Y Fron, Llangefni | Detached (freehold) | Mar 2021 | £161,688 |