| Postcode | LL31 9HN | 
|---|---|
| Post Town | Conwy, Llandudno Junction | 
| Nearest station | Llandudno Junction (0 km) | 
| Bus stops | Marl Drive South (S) Station Stop T (W) Station Stop U (SE) Broad Street (S) Station Platform 5 (W) Broad Street (N) | 
| Roads in this postcode | |
| Number of UPRNs | 42 View | 
| Known addresses | 1 St Davids Avenue, Llandudno Junction 3 St Davids Avenue, Llandudno Junction 5 St Davids Avenue, Llandudno Junction 6 St Davids Avenue, Llandudno Junction 10 St Davids Avenue, Llandudno Junction 11 St Davids Avenue, Llandudno Junction 16 St Davids Avenue, Llandudno Junction 17 St Davids Avenue, Llandudno Junction 18 St Davids Avenue, Llandudno Junction 19 St Davids Avenue, Llandudno Junction 21 St Davids Avenue, Llandudno Junction 28 St Davids Avenue, Llandudno Junction 30 St Davids Avenue, Llandudno Junction 34 St Davids Avenue, Llandudno Junction 36 St Davids Avenue, Llandudno Junction 44 St Davids Avenue, Llandudno Junction 50 St Davids Avenue, Llandudno Junction | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 53.286494 | |
|---|---|---|
| Longitude | -3.807878 | |
| Easting | 279577 | |
| Northing | 378139 | |
| Grid reference | SH795781 | |
| UTM reference | 30U 446143 5904445 | |
| what3words | strut.fluffed.gown | |
| FixPhrase | crouton lunar subdued unhappy | |
| Plus code | 9C5R75PR+HR | |
| Altitude | 11 metres (38 feet) | |
| Sunrise (today) | 7:12 | |
| Sunset (today) | 16:47 | |
| Distance away | ||
| Distance to sea | 2.3 KMs (1.4 miles) | 
| Parish | Conwy | W04000902 | 
|---|---|---|
| Ward | Glyn y Marl | W05001415 | 
| 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 | |
| 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) | 99 | |
|---|---|---|
| Households (2011) | 38 | |
| 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) | Urban city and town | |
| Built up area (2024) | Conwy | W45000655 | 
| Census output area (2021) | W00000881 | |
| Census output area (2011) | 8A2 | |
| Lower layer super output area (2021) | Conwy 006D | W01000166 | 
| Lower layer super output area (2011) | Conwy 006D | W01000166 | 
| Middle layer super output area (2021) | Llandudno Junction North & Deganwy | W02000032 | 
| Middle layer super output area (2011) | Llandudno Junction North & Deganwy | W02000032 | 
| Travel to work area | Colwyn Bay | W22000026 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 19 St Davids Avenue, Llandudno Junction | Terraced (freehold) | Feb 2024 | £192,000 | 
| 28 St Davids Avenue, Llandudno Junction | Terraced (freehold) | Mar 2023 | £200,000 | 
| 21 St Davids Avenue, Llandudno Junction | Terraced (freehold) | Feb 2023 | £191,000 | 
| 17 St Davids Avenue, Llandudno Junction | Terraced (freehold) | Apr 2022 | £155,000 | 
| 1 St Davids Avenue, Llandudno Junction | Semi-detached (freehold) | Apr 2022 | £210,000 | 
| 34 St Davids Avenue, Llandudno Junction | Semi-detached (freehold) | Apr 2017 | £119,000 | 
| 5 St Davids Avenue, Llandudno Junction | Terraced (freehold) | Jul 2015 | £135,500 | 
| Terraced (freehold) | Jun 2009 | £115,000 | |
| 6 St Davids Avenue, Llandudno Junction | Semi-detached (freehold) | Jul 2007 | £164,000 | 
| 50 St Davids Avenue, Llandudno Junction | Semi-detached (freehold) | Apr 2007 | £134,000 | 
| 36 St Davids Avenue, Llandudno Junction | Semi-detached (freehold) | Feb 2007 | £125,000 |