| Postcode | LL57 3YH | 
|---|---|
| Post Town | Bangor | 
| Nearest station | Bangor (Gwynedd) (4 km) | 
| Bus stops | 
                       No nearby bus stops 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 11 View | 
| Known addresses | 
                       Llwyn Onn, Talybont 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 53.226936 | |
|---|---|---|
| Longitude | -4.079021 | |
| Easting | 261311 | |
| Northing | 372006 | |
| Grid reference | SH613720 | |
| UTM reference | 30U 427967 5898059 | |
| what3words | begins.wolves.snapping | |
| FixPhrase | crouton lumpish shortly villain | |
| Plus code | 9C5Q6WGC+Q9 | |
| Altitude | 6 metres (20 feet) | |
| Sunrise (today) | 7:21 | |
| Sunset (today) | 16:40 | |
| Distance away | ||
| Distance to sea | 1.1 KMs (0.7 miles) | 
| Parish | Llanllechid | W04000082 | 
|---|---|---|
| Ward | Arllechwedd | W05001510 | 
| Unitary Authority | Gwynedd | W06000002 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Bangor Aberconwy | W07000083 | 
| MP | Claire Hughes | Labour | 
| Police force | North Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Gwynedd | |
| 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) | 15 | |
|---|---|---|
| Households (2011) | 5 | |
| 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 hamlet and isolated dwellings | |
| Census output area (2021) | W00000258 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Gwynedd 003A | W01000050 | 
| Lower layer super output area (2011) | Gwynedd 003A | W01000050 | 
| Middle layer super output area (2021) | Bethesda | W02000012 | 
| Middle layer super output area (2011) | Bethesda | W02000012 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £206,073 | 
|---|---|
| Annual change | 1.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Llwyn Onn, Talybont | Detached (freehold) | May 1998 | £106,000 |