| Postcode | LL54 6PN | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Criccieth (16 km) | 
| Bus stops | 
                       Red Lion (NE) 
Red Lion (SW) 
Tredafydd (SW) 
High Street (N) 
High Street (S) 
Capel y Groes (E) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 7 View | 
| Known addresses | 
                       Bryn Mor, Caernarfon Road, Penygroes 
                            Bryn Myfyr, Caernarfon Road, Penygroes 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 53.057255 | |
|---|---|---|
| Longitude | -4.284436 | |
| Easting | 246998 | |
| Northing | 353552 | |
| Grid reference | SH469535 | |
| UTM reference | 30U 413917 5879410 | |
| what3words | river.former.rant | |
| FixPhrase | cross lumpiness spiral umbilical | |
| Plus code | 9C5Q3P48+W6 | |
| Altitude | 116 metres (381 feet) | |
| Sunrise (today) | 7:21 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 4.2 KMs (2.6 miles) | 
| Parish | Llanllyfni | W04000083 | 
|---|---|---|
| Ward | Pen-y-groes | W05001559 | 
| 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) | 6 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Larger rural Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe in a sparse setting | |
| Built up area (2024) | Penygroes | W45000768 | 
| Census output area (2021) | W00000530 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Gwynedd 008C | W01000104 | 
| Lower layer super output area (2011) | Gwynedd 008C | W01000104 | 
| Middle layer super output area (2021) | Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle | W02000017 | 
| Middle layer super output area (2011) | Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle | W02000017 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £206,073 | 
|---|---|
| Annual change | 1.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Bryn Mor, Caernarfon Road, Penygroes | Detached (freehold) | May 2012 | £245,000 | 
| Detached (freehold) | Dec 2003 | £90,000 | |
| Bryn Myfyr, Caernarfon Road, Penygroes | Detached (freehold) | Apr 2001 | £81,000 |