| Postcode | LL17 0BP | 
|---|---|
| Post Town | St. Asaph | 
| Nearest station | Rhyl (11 km) | 
| Bus stops | Rhodfa Clwyd (SW) Tudor Cottage (NW) Nant-y-Patrick (N) Nant-y-Patrick (S) Thatched Cottage (N) | 
| Roads in this postcode | |
| Number of UPRNs | 26 View | 
| Known addresses | Arosfa, Allt Goch, St. Asaph Bryn Elwy, Allt Goch, St Asaph Bryn Tawel, Allt Goch, St Asaph Bryn Tawel, Allt Goch, St. Asaph Carrog, Allt Goch, St Asaph Cartrefle, Allt Goch, St. Asaph Cil Gwyn, Allt Goch, St Asaph Crwydro, Allt Goch, St Asaph Derlwyn, Allt Goch, St. Asaph Fairlands, Allt Goch, St. Asaph Glyn Elwy, Allt Goch, St. Asaph Greenacres, Allt Goch, St Asaph Kenrose, Allt Goch, St. Asaph Kenyon, Allt Goch, St. Asaph Sundown, Allt Goch, St Asaph Sundown, Allt Goch, St. Asaph The Brambles, Allt Goch, St Asaph | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 53.22902 | |
|---|---|---|
| Longitude | -3.436174 | |
| Easting | 304226 | |
| Northing | 371183 | |
| Grid reference | SJ042711 | |
| UTM reference | 30U 470883 5897836 | |
| what3words | seaside.rolled.earpiece | |
| FixPhrase | crouton lunchtime shrug tacking | |
| Plus code | 9C5R6HH7+JG | |
| Altitude | 72 metres (235 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 7.6 KMs (4.7 miles) | 
| Parish | Trefnant | W04000176 | 
|---|---|---|
| Ward | Trefnant | W05001359 | 
| Unitary Authority | Denbighshire | W06000004 | 
| County | Clwyd | W11000001 | 
| Constituency (2024) | Clwyd North | W07000095 | 
| MP | Gill German | 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) | 54 | |
|---|---|---|
| Households (2011) | 24 | |
| 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 village | |
| Built up area (2024) | Nant-y-Patrick | W45000696 | 
| Census output area (2021) | W00001326 | |
| Census output area (2011) | 1A2 | |
| Lower layer super output area (2021) | Denbighshire 010C | W01000247 | 
| Lower layer super output area (2011) | Denbighshire 010C | W01000247 | 
| Middle layer super output area (2021) | St Asaph & Trefnant | W02000051 | 
| Middle layer super output area (2011) | St Asaph & Trefnant | W02000051 | 
| Travel to work area | Rhyl | W22000031 | 
| Average property price in Llandudno | £205,971 | 
|---|---|
| Annual change | 1.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Bryn Elwy, Allt Goch, St Asaph | Semi-detached (freehold) | Jun 2023 | £140,000 | 
| Cil Gwyn, Allt Goch, St Asaph | Detached (freehold) | Jul 2021 | £170,000 | 
| The Brambles, Allt Goch, St Asaph | Detached (freehold) | May 2021 | £330,000 | 
| Carrog, Allt Goch, St Asaph | Semi-detached (freehold) | Nov 2020 | £159,000 | 
| Crwydro, Allt Goch, St Asaph | Semi-detached (freehold) | Mar 2019 | £150,000 | 
| Sundown, Allt Goch, St Asaph | Detached (freehold) | May 2015 | £275,000 | 
| Greenacres, Allt Goch, St Asaph | Detached (freehold) | Apr 2012 | £112,500 | 
| Bryn Tawel, Allt Goch, St Asaph | Detached (freehold) | Oct 2011 | £230,000 | 
| Derlwyn, Allt Goch, St. Asaph | Detached (freehold) | May 2007 | £238,000 | 
| Detached (freehold) | Apr 1996 | £65,500 | |
| Sundown, Allt Goch, St. Asaph | Detached (freehold) | May 2007 | £165,000 |