| Postcode | LL39 1BQ | 
|---|---|
| Post Town | Arthog | 
| Nearest station | Morfa Mawddach (0 km) | 
| Bus stops | Morfa Mawddach (W) Bryncoch (E) Bryncoch (W) | 
| Roads in this postcode | |
| Number of UPRNs | 35 View | 
| Known addresses | Aberdwyafon, Arthog Carleg, 8 St Marys Terrace, Arthog Little Barn, Graig Wen, Dolgellau Little Haven, Arthog Pine Cottage, Arthog Ty Bach Twt, Arthog 6 St Marys Terrace, Arthog 7 St Marys Terrace, Arthog 9 St Marys Terrace, Arthog | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 52.705855 | |
|---|---|---|
| Longitude | -4.02858 | |
| Easting | 263038 | |
| Northing | 313952 | |
| Grid reference | SH630139 | |
| UTM reference | 30U 430504 5840046 | |
| what3words | snowmen.broth.flop | |
| FixPhrase | crook lumpish scary violate | |
| Plus code | 9C4QPX4C+8H | |
| Altitude | 4 metres (13 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 0.8 KMs (0.5 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) | 29 | |
|---|---|---|
| Households (2011) | 15 | |
| 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 | 
|---|---|---|---|
| 9 St Marys Terrace, Arthog | Semi-detached (freehold) | Apr 2025 | £170,000 | 
| Semi-detached (freehold) | Dec 2006 | £172,500 | |
| Ty Bach Twt, Arthog | Terraced (freehold) | Sep 2024 | £219,950 | 
| Terraced (freehold) | Jan 2019 | £80,000 | |
| Terraced (freehold) | Jan 1998 | £39,000 | |
| Carleg, 8 St Marys Terrace, Arthog | Terraced (freehold) | Mar 2024 | £260,000 | 
| Aberdwyafon, Arthog | Detached (freehold) | Mar 2023 | £435,000 | 
| Detached (freehold) | May 2016 | £272,500 | |
| Detached (freehold) | Apr 2001 | £150,000 | |
| 7 St Marys Terrace, Arthog | Terraced (freehold) | Feb 2023 | £245,000 | 
| Terraced (freehold) | Jan 2021 | £201,000 | |
| Terraced (freehold) | Oct 2010 | £147,000 | |
| Terraced (freehold) | Aug 2005 | £135,000 | |
| Little Barn, Graig Wen, Dolgellau | Terraced (freehold) | Aug 2015 | £135,000 | 
| Detached (freehold) | Mar 2007 | £137,000 | |
| Detached (freehold) | Jul 2004 | £120,000 | |
| Little Haven, Arthog | Terraced (freehold) | Jul 2014 | £166,000 | 
| Detached (freehold) | Jul 2005 | £142,500 | |
| Pine Cottage, Arthog | New build semi-detached (freehold) | Nov 2005 | £150,000 | 
| 6 St Marys Terrace, Arthog | Terraced (freehold) | Aug 2003 | £30,000 |