| Postcode | LL52 0LU | 
|---|---|
| Post Town | Criccieth | 
| Nearest station | Criccieth (3 km) | 
| Bus stops | No nearby bus stops | 
| Number of UPRNs | 11 View | 
| Known addresses | Gwynfryn Cottage, Llanystumdwy Gwynfryn Plas, Llanystumdwy Trigfa Hyfryd Dwyfor, Llanystumdwy Ty Nannau, Llanystumdwy | 
| Main property type | Other | 
| Businesses | 
| Latitude | 52.929813 | |
|---|---|---|
| Longitude | -4.275113 | |
| Easting | 247172 | |
| Northing | 339358 | |
| Grid reference | SH471393 | |
| UTM reference | 30U 414289 5865223 | |
| what3words | tell.imposes.handbags | |
| FixPhrase | crop lumpiness shrivel variable | |
| Plus code | 9C4QWPHF+WX | |
| Altitude | 50 metres (165 feet) | |
| Sunrise (today) | 7:13 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 1.8 KMs (1.1 miles) | 
| Parish | Llanystumdwy | W04000089 | 
|---|---|---|
| Ward | Llanystumdwy | W05001550 | 
| 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) | 15 | |
|---|---|---|
| Households (2011) | 7 | |
| 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) | W00000457 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Gwynedd 011D | W01000089 | 
| Lower layer super output area (2011) | Gwynedd 011D | W01000089 | 
| 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 | 
|---|---|---|---|
| Trigfa Hyfryd Dwyfor, Llanystumdwy | Detached (freehold) | Mar 2023 | £545,000 | 
| Gwynfryn Plas, Llanystumdwy | Other (freehold) | Feb 2021 | £420,000 | 
| Other (freehold) | Jun 2018 | £100,000 | |
| Gwynfryn Cottage, Llanystumdwy | Other (freehold) | Jul 2019 | £80,000 | 
| Detached (freehold) | Jun 2002 | £84,000 | |
| Ty Nannau, Llanystumdwy | Detached (freehold) | May 2002 | £100,000 | 
| Detached (freehold) | Dec 1997 | £83,000 |