| Postcode | LL57 3YJ | 
|---|---|
| Post Town | Bangor | 
| Nearest station | Bangor (Gwynedd) (3 km) | 
| Bus stops | 
                       Talybont (SE) 
Castell Penrhyn (NW) 
Castell Penrhyn (SE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 8 View | 
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 53.210977 | |
|---|---|---|
| Longitude | -4.093449 | |
| Easting | 260296 | |
| Northing | 370259 | |
| Grid reference | SH602702 | |
| UTM reference | 30U 426977 5896298 | |
| what3words | otter.heavy.sheep | |
| FixPhrase | crouton lumpish scruffy tantrum | |
| Plus code | 9C5Q6W64+9J | |
| Altitude | 33 metres (108 feet) | |
| Sunrise (today) | 7:21 | |
| Sunset (today) | 16:40 | |
| Distance away | ||
| Distance to sea | 3 KMs (1.9 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 | December 1996 | 
|---|---|
| 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) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Llandygai | W45000701 | 
| Census output area (2021) | W00000257 | |
| Census output area (2011) | 8A1 | |
| 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% |