| Postcode | LL17 0FA | 
|---|---|
| Post Town | St. Asaph | 
| Nearest station | Rhyl (8 km) | 
| Bus stops | HM Stanley Hospital (NW) Bryn Asaph (S) Bryn Asaph (N) Bishops Walk (SE) Oriel House (S) Llys Alun (N) | 
| Number of UPRNs | 5 View | 
| Known addresses | 1 Lon Y Gadeirlan, St Asaph 2 Lon Y Gadeirlan, St Asaph 3 Lon Y Gadeirlan, St Asaph 4 Lon Y Gadeirlan, St Asaph 5 Lon Y Gadeirlan, St Asaph | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 53.251737 | |
|---|---|---|
| Longitude | -3.436111 | |
| Easting | 304281 | |
| Northing | 373710 | |
| Grid reference | SJ042737 | |
| UTM reference | 30U 470903 5900363 | |
| what3words | flats.products.whistling | |
| FixPhrase | crouton lunchtime snowfield unveiled | |
| Plus code | 9C5R7H27+MH | |
| Altitude | 44 metres (145 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 5.3 KMs (3.3 miles) | 
| Parish | St. Asaph | W04000175 | 
|---|---|---|
| Ward | St Asaph East | W05001357 | 
| Unitary Authority | Denbighshire | W06000004 | 
| County | Clwyd | W11000001 | 
| Constituency (2024) | Clwyd North | W07000095 | 
| MP | Gill German | Labour | 
| Police force | North Wales | |
| NUTS/ITL 3 | Conwy and Denbighshire | |
| NUTS/ITL 2 | North Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | March 2023 | 
|---|---|
| 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 | 
| 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 | |
| Built up area (2024) | St Asaph | W45000684 | 
| Census output area (2021) | W00001314 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Denbighshire 010A | W01000245 | 
| Lower layer super output area (2011) | Denbighshire 010A | W01000245 | 
| 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 | 
|---|---|---|---|
| 2 Lon Y Gadeirlan, St Asaph | Semi-detached (freehold) | Jun 2024 | £252,000 | 
| New build semi-detached (freehold) | Mar 2023 | £234,995 | |
| 3 Lon Y Gadeirlan, St Asaph | New build semi-detached (freehold) | May 2023 | £234,995 | 
| 4 Lon Y Gadeirlan, St Asaph | New build semi-detached (freehold) | Mar 2023 | £179,995 | 
| 5 Lon Y Gadeirlan, St Asaph | New build semi-detached (freehold) | Mar 2023 | £179,995 | 
| 1 Lon Y Gadeirlan, St Asaph | New build detached (freehold) | Mar 2023 | £299,995 |