| Postcode | LL42 1PY | 
|---|---|
| Post Town | Barmouth | 
| Nearest station | Barmouth (0 km) | 
| Bus stops | Eglwys St Tudwal (N) Eglwys St Tudwal (S) North Avenue (W) Heol Idris (NE) Railway Station (NE) Heol y Sarn (W) | 
| Roads in this postcode | |
| Number of UPRNs | 3 View | 
| Known addresses | Hafan, Northfield Road, Barmouth Houghton House, Northfield Road, Barmouth Ty Clyd, Northfield Road, Barmouth | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 52.725551 | |
|---|---|---|
| Longitude | -4.059557 | |
| Easting | 261008 | |
| Northing | 316202 | |
| Grid reference | SH610162 | |
| UTM reference | 30U 428443 5842267 | |
| what3words | bookcases.playback.cost | |
| FixPhrase | crook lumpish shore unneeded | |
| Plus code | 9C4QPWGR+65 | |
| Altitude | 7 metres (24 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:49 | |
| Distance away | ||
| Distance to sea | 0.1 KMs (0 miles) | 
| Parish | Barmouth | W04000047 | 
|---|---|---|
| Ward | Abermaw | W05001508 | 
| 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) | 8 | |
|---|---|---|
| Households (2011) | 3 | |
| 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 town and fringe in a sparse setting | |
| Built up area (2024) | Barmouth | W45000827 | 
| Census output area (2021) | W00000246 | |
| Census output area (2011) | 6A3 | |
| Lower layer super output area (2021) | Gwynedd 016F | W01002004 | 
| Lower layer super output area (2011) | Gwynedd 016A | W01000048 | 
| Middle layer super output area (2021) | Barmouth & Dolgellau | W02000025 | 
| Middle layer super output area (2011) | Barmouth & Dolgellau | W02000025 | 
| Travel to work area | Tywyn and Dolgellau | W22000033 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Hafan, Northfield Road, Barmouth | Terraced (freehold) | Mar 2025 | £200,000 | 
| Terraced (freehold) | Aug 2021 | £200,000 | |
| Ty Clyd, Northfield Road, Barmouth | Terraced (freehold) | Jun 2020 | £160,000 | 
| Terraced (freehold) | Aug 2015 | £135,000 | |
| Terraced (freehold) | Jan 2011 | £140,000 | |
| Terraced (freehold) | Aug 2009 | £84,950 | |
| Houghton House, Northfield Road, Barmouth | Terraced (freehold) | Jul 2000 | £51,500 |