| Postcode | LL55 2YG | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Llanfairpwll (11 km) | 
| Bus stops | Tesco (S) Bro Helen (N) Bro Helen (S) Bryn Seiont (NE) Bryn Seiont (SW) Llys yr Eifl (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.132553 | |
|---|---|---|
| Longitude | -4.272328 | |
| Easting | 248075 | |
| Northing | 361901 | |
| Grid reference | SH480619 | |
| UTM reference | 30U 414877 5887772 | |
| what3words | bossy.drives.survey | |
| FixPhrase | crouch lumpiness silo unsigned | |
| Plus code | 9C5Q4PMH+23 | |
| Altitude | 12 metres (38 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 1.6 KMs (1 miles) | 
| Parish | Caernarfon | W04000056 | 
|---|---|---|
| Ward | Canol Tref Caernarfon | W05001519 | 
| Unitary Authority | Gwynedd | W06000002 | 
| County | Gwynedd | W11000004 | 
| Constituency (2024) | Dwyfor Meirionnydd | W07000096 | 
| MP | Liz Saville Roberts | Plaid Cymru | 
| 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 | June 1997 | 
|---|---|
| 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 | 
| 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 | |
| Built up area (2024) | Caernarfon | W45000738 | 
| Census output area (2021) | W00000575 | |
| Census output area (2011) | 1A3 | |
| Lower layer super output area (2021) | Gwynedd 007C | W01000111 | 
| Lower layer super output area (2011) | Gwynedd 007C | W01000111 | 
| Middle layer super output area (2021) | Caernarfon West & Waunfawr | W02000016 | 
| Middle layer super output area (2011) | Caernarfon West & Waunfawr | W02000016 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% |