| Postcode | LL55 2TW | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Llanfairpwll (10 km) | 
| Bus stops | Bryngwna (SE) Glan Gwna (SE) Glan Gwna (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 16 View | 
| Known addresses | 1 Erw Wen, Caeathro 2 Erw Wen, Caeathro 5 Erw Wen, Caeathro 6 Erw Wen, Caeathro 10 Erw Wen, Caeathro 12 Erw Wen, Caeathro 14 Erw Wen, Caeathro 15 Erw Wen, Caeathro | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.131534 | |
|---|---|---|
| Longitude | -4.243124 | |
| Easting | 250025 | |
| Northing | 361726 | |
| Grid reference | SH500617 | |
| UTM reference | 30U 416829 5887624 | |
| what3words | ruffling.condense.army | |
| FixPhrase | crouch lumpiness silencer unlimited | |
| Plus code | 9C5Q4QJ4+JQ | |
| Altitude | 62 metres (203 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 3.1 KMs (1.9 miles) | 
| Parish | Waunfawr | W04000103 | 
|---|---|---|
| Ward | Y Bontnewydd | W05001567 | 
| 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) | 36 | |
|---|---|---|
| Households (2011) | 15 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Caeathro | W45000745 | 
| Census output area (2021) | W00000617 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Gwynedd 007D | W01000118 | 
| Lower layer super output area (2011) | Gwynedd 007D | W01000118 | 
| 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% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 2 Erw Wen, Caeathro | Semi-detached (freehold) | Jul 2023 | £240,000 | 
| Semi-detached (freehold) | Jan 2021 | £152,500 | |
| Semi-detached (freehold) | Aug 2013 | £124,950 | |
| Semi-detached (freehold) | Feb 2006 | £149,950 | |
| Semi-detached (freehold) | Jan 2003 | £79,000 | |
| 6 Erw Wen, Caeathro | Semi-detached (freehold) | Oct 2022 | £247,500 | 
| Semi-detached (freehold) | Oct 2009 | £145,000 | |
| 1 Erw Wen, Caeathro | Semi-detached (freehold) | Jan 2021 | £142,000 | 
| 14 Erw Wen, Caeathro | Detached (freehold) | Jul 2018 | £152,000 | 
| Detached (freehold) | Oct 2003 | £129,950 | |
| 15 Erw Wen, Caeathro | Detached (freehold) | Nov 2016 | £138,000 | 
| 12 Erw Wen, Caeathro | Detached (freehold) | Sep 2016 | £208,000 | 
| 5 Erw Wen, Caeathro | Semi-detached (freehold) | Nov 2008 | £163,000 | 
| 10 Erw Wen, Caeathro | Semi-detached (freehold) | Jul 2008 | £173,500 |