| Postcode | LL39 1YT | 
|---|---|
| Post Town | Arthog | 
| Nearest station | Morfa Mawddach (2 km) | 
| Bus stops | Capel Salem (SW) Capel Seion (W) Capel Seion (E) | 
| Roads in this postcode | |
| Number of UPRNs | 19 View | 
| Known addresses | Aelybryn, Arthog Awelon, 4 Wesley Terrace, Arthog Hen Beudy, Arthog Tyn Celyn, Arthog 5 Wesley Terrace, Arthog | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 52.714246 | |
|---|---|---|
| Longitude | -4.004126 | |
| Easting | 264717 | |
| Northing | 314839 | |
| Grid reference | SH647148 | |
| UTM reference | 30U 432169 5840956 | |
| what3words | civic.dives.saloons | |
| FixPhrase | crook lumpish semicolon tricolor | |
| Plus code | 9C4QPX7W+M8 | |
| Altitude | 36 metres (119 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 1.2 KMs (0.8 miles) | 
| Parish | Arthog | W04000044 | |
|---|---|---|---|
| Ward | Arthog a Llangelynnin | W05001511 | |
| 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 | ||
| 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) | 18 | |
|---|---|---|
| Households (2011) | 9 | |
| 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 in a sparse setting | |
| Census output area (2021) | W00000430 | |
| Census output area (2011) | 1C1 | |
| Lower layer super output area (2021) | Gwynedd 017C | W01000085 | 
| Lower layer super output area (2011) | Gwynedd 017C | W01000085 | 
| Middle layer super output area (2021) | Tywyn & Llangelynnin | W02000026 | 
| Middle layer super output area (2011) | Tywyn & Llangelynnin | W02000026 | 
| Travel to work area | Tywyn and Dolgellau | W22000033 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Aelybryn, Arthog | Detached (freehold) | Dec 2024 | £470,000 | 
| Detached (freehold) | Nov 2014 | £245,000 | |
| Tyn Celyn, Arthog | Detached (freehold) | Dec 2024 | £335,000 | 
| Awelon, 4 Wesley Terrace, Arthog | Terraced (freehold) | Mar 2021 | £78,000 | 
| 5 Wesley Terrace, Arthog | Terraced (freehold) | Dec 2006 | £130,000 | 
| Hen Beudy, Arthog | Detached (freehold) | Mar 2003 | £170,000 |