| Postcode | LL57 3HY | 
|---|---|
| Post Town | Bangor | 
| Nearest station | Bangor (Gwynedd) (6 km) | 
| Bus stops | 
                       Tyddyn Canol (NW) 
Tyddyn Uchaf (S) 
Tyddyn Uchaf (N) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 4 View | 
| Known addresses | 
                       
                          No addresses found
                       
                     | 
                  
| Businesses | 
| Latitude | 53.193436 | |
|---|---|---|
| Longitude | -4.055782 | |
| Easting | 262755 | |
| Northing | 368235 | |
| Grid reference | SH627682 | |
| UTM reference | 30U 429464 5894309 | |
| what3words | mega.admiringly.orange | |
| FixPhrase | crouch lumpish sulphuric underfed | |
| Plus code | 9C5Q5WVV+9M | |
| Altitude | 225 metres (737 feet) | |
| Sunrise (today) | 7:21 | |
| Sunset (today) | 16:40 | |
| Distance away | ||
| Distance to sea | 4.6 KMs (2.9 miles) | 
| Parish | Bethesda | W04000049 | |
|---|---|---|---|
| Ward | Rachub | W05001560 | |
| 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 | ||
| National park | Snowdonia National Park | W18000003 | |
| 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) | 3 | |
|---|---|---|
| Households (2011) | 1 | |
| 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 town and fringe | |
| Census output area (2021) | W00000364 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Gwynedd 003B | W01000071 | 
| Lower layer super output area (2011) | Gwynedd 003B | W01000071 | 
| 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% |