| Postcode | LL55 1HY | 
|---|---|
| Post Town | Caernarfon | 
| Nearest station | Llanfairpwll (9 km) | 
| Bus stops | Brynafon (S) Kiltynan (SW) Ael y Garth (N) L�n Campbell (SW) Maes Cadnant (SW) Gwyddfor (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 22 View | 
| Known addresses | Taliesin, England Road South, Caernarfon Tegfan, England Road South, Caernarfon The Cliff, England Road South, Caernarfon Ty Newydd, England Road South, Caernarfon Wilmar, England Road South, Caernarfon Y Clogwyn, England Road South, Caernarfon | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.144981 | |
|---|---|---|
| Longitude | -4.267481 | |
| Easting | 248443 | |
| Northing | 363273 | |
| Grid reference | SH484632 | |
| UTM reference | 30U 415226 5889149 | |
| what3words | angle.nurses.stars | |
| FixPhrase | crouch lumpiness slurp synthesis | |
| Plus code | 9C5Q4PVM+X2 | |
| Altitude | 38 metres (125 feet) | |
| Sunrise (today) | 7:14 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 0.7 KMs (0.4 miles) | 
| Parish | Caernarfon | W04000056 | 
|---|---|---|
| Ward | Menai | W05001551 | 
| 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) | 35 | |
|---|---|---|
| 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 town and fringe | |
| Built up area (2024) | Caernarfon | W45000738 | 
| Census output area (2021) | W00000477 | |
| Census output area (2011) | 5A1 | |
| Lower layer super output area (2021) | Gwynedd 006B | W01000093 | 
| Lower layer super output area (2011) | Gwynedd 006B | W01000093 | 
| Middle layer super output area (2021) | Caernarfon East | W02000015 | 
| Middle layer super output area (2011) | Caernarfon East | W02000015 | 
| Travel to work area | Bangor and Holyhead | W22000022 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| The Cliff, England Road South, Caernarfon | Detached (freehold) | Aug 2021 | £455,000 | 
| Detached (freehold) | Dec 1999 | £90,000 | |
| Wilmar, England Road South, Caernarfon | Semi-detached (freehold) | Feb 2019 | £185,000 | 
| Semi-detached (freehold) | Jun 2014 | £180,000 | |
| Y Clogwyn, England Road South, Caernarfon | Detached (freehold) | Aug 2018 | £225,000 | 
| Detached (freehold) | Jan 1997 | £162,500 | |
| Ty Newydd, England Road South, Caernarfon | Detached (freehold) | Oct 2015 | £245,000 | 
| Tegfan, England Road South, Caernarfon | Detached (freehold) | Mar 2012 | £275,000 | 
| Taliesin, England Road South, Caernarfon | Detached (freehold) | Apr 1995 | £95,000 |