| Postcode | LL57 3UA | 
|---|---|
| Post Town | Bangor | 
| Nearest station | Bangor (Gwynedd) (8 km) | 
| Bus stops | 
                       Gwernydd (NW) 
Post Office (SE) 
Post Office (NW) 
Tan Treflys (SE) 
Braichmelyn (NW) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 8 View | 
| Known addresses | 
                       15 Gwernydd, Gerlan 
                       | 
                  
| Main property type | Semi-detached | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 53.175612 | |
|---|---|---|
| Longitude | -4.046161 | |
| Easting | 263341 | |
| Northing | 366234 | |
| Grid reference | SH633662 | |
| UTM reference | 30U 430078 5892317 | |
| what3words | hometown.nylon.they | |
| FixPhrase | crouch lumpish stingray unrented | |
| Plus code | 9C5Q5XG3+6G | |
| Altitude | 212 metres (696 feet) | |
| Sunrise (today) | 7:21 | |
| Sunset (today) | 16:40 | |
| Distance away | ||
| Distance to sea | 6.5 KMs (4.1 miles) | 
| Parish | Bethesda | W04000049 | 
|---|---|---|
| Ward | Gerlan | W05001534 | 
| 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) | 13 | |
|---|---|---|
| Households (2011) | 4 | |
| 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 | |
| Built up area (2024) | Bethesda | W45000720 | 
| Census output area (2021) | W00000368 | |
| Census output area (2011) | 5A1 | |
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 15 Gwernydd, Gerlan | Semi-detached (freehold) | Apr 2014 | £143,000 | 
| Semi-detached (freehold) | Oct 2005 | £185,000 |