| Postcode | LL27 0JD | 
|---|---|
| Post Town | Trefriw | 
| Nearest station | North Llanrwst (1 km) | 
| Bus stops | No nearby bus stops | 
| Number of UPRNs | 4 View | 
| Known addresses | Clawdd Gwyn, Nant Bwlch Yr Haiarn Tir Mawn, Nant Bwlch Yr Haiarn | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.136156 | |
|---|---|---|
| Longitude | -3.8189 | |
| Easting | 278417 | |
| Northing | 361435 | |
| Grid reference | SH784614 | |
| UTM reference | 30U 445216 5887730 | |
| what3words | trading.committed.cautious | |
| FixPhrase | crouch lunar skewed tranquil | |
| Plus code | 9C5R45PJ+FC | |
| Altitude | 107 metres (352 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:47 | |
| Distance away | ||
| Distance to sea | 17.2 KMs (10.7 miles) | 
| Parish | Trefriw | W04000138 | |
|---|---|---|---|
| Ward | Betws-y-Coed and Trefriw | W05001404 | |
| Unitary Authority | Conwy | W06000003 | |
| County | Clwyd | W11000001 | |
| Constituency (2024) | Bangor Aberconwy | W07000083 | |
| MP | Claire Hughes | Labour | |
| Police force | North Wales | ||
| Water company | Dwr Cymru Welsh Water | ||
| National park | Snowdonia National Park | W18000003 | |
| NUTS/ITL 3 | Conwy and Denbighshire | ||
| 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) | 4 | |
|---|---|---|
| Households (2011) | 2 | |
| 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) | W00000987 | |
| Census output area (2011) | 1A1 | |
| Lower layer super output area (2021) | Conwy 015E | W01000185 | 
| Lower layer super output area (2011) | Conwy 015E | W01000185 | 
| Middle layer super output area (2021) | Llanrwst & Betws-y-coed | W02000041 | 
| Middle layer super output area (2011) | Llanrwst & Betws-y-coed | W02000041 | 
| Travel to work area | Colwyn Bay | W22000026 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Tir Mawn, Nant Bwlch Yr Haiarn | Detached (freehold) | Mar 2020 | £450,000 | 
| Detached (freehold) | Mar 2009 | £410,000 | |
| Detached (freehold) | Sep 2002 | £250,000 | |
| Clawdd Gwyn, Nant Bwlch Yr Haiarn | Detached (freehold) | Oct 2019 | £425,000 |