| Postcode | LL54 5BH | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Penychain (9 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 43 View | 
| Known addresses | Cae'r Wrach, Llanaelhaearn Giat Terfyn, Llanaelhaearn Llain Llan, Llanaelhaearn Plan Wydd, Llanaelhaearn Ty Capel Cwmcoryn, Llanaelhaearn | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 52.980068 | |
|---|---|---|
| Longitude | -4.38008 | |
| Easting | 240304 | |
| Northing | 345176 | |
| Grid reference | SH403451 | |
| UTM reference | 30U 407342 5870944 | |
| what3words | frail.trials.riddle | |
| FixPhrase | crop luminous strategic traction | |
| Plus code | 9C4QXJJ9+2X | |
| Altitude | 208 metres (682 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 2.8 KMs (1.7 miles) | 
| Parish | Trefor a Llanaelhaearn | W04000066 | 
|---|---|---|
| Ward | Yr Eifl | W05001570 | 
| 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 | 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) | 34 | |
|---|---|---|
| Households (2011) | 14 | |
| 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 in a sparse setting | |
| Census output area (2021) | W00000399 | |
| Census output area (2011) | 1B1 | |
| Lower layer super output area (2021) | Gwynedd 011C | W01000078 | 
| Lower layer super output area (2011) | Gwynedd 011C | W01000078 | 
| Middle layer super output area (2021) | Cricieth & Llanaelhaearn | W02000020 | 
| Middle layer super output area (2011) | Cricieth & Llanaelhaearn | W02000020 | 
| Travel to work area | Pwllheli and Porthmadog | W22000030 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Ty Capel Cwmcoryn, Llanaelhaearn | Detached (freehold) | Aug 2021 | £438,000 | 
| Detached (freehold) | Dec 2016 | £245,000 | |
| Detached (freehold) | Nov 1997 | £65,500 | |
| Cae'r Wrach, Llanaelhaearn | Detached (freehold) | Mar 2018 | £360,000 | 
| Detached (freehold) | Jun 2001 | £185,000 | |
| Detached (freehold) | Mar 1997 | £160,000 | |
| Giat Terfyn, Llanaelhaearn | Other (freehold) | Oct 2016 | £3,000 | 
| Plan Wydd, Llanaelhaearn | Detached (freehold) | Mar 2007 | £183,400 | 
| Llain Llan, Llanaelhaearn | Detached (freehold) | Aug 2003 | £130,000 |