| Postcode | NP16 6QG | 
|---|---|
| Post Town | Chepstow | 
| Nearest station | Chepstow (11 km) | 
| Bus stops | Gable Cottage (NE) Llanishen Cross (SW) Llanishen Cross (NE) Dinmore Cottage (S) Carpenters Arms (NE) Carpenters Arms (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 21 View | 
| Known addresses | Brockhurst, Llanishen Cartref, Llanishen Hill Place, Llanishen Homestead, Llanishen Trewyn, Llanishen | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.721704 | |
|---|---|---|
| Longitude | -2.761992 | |
| Easting | 347461 | |
| Northing | 202828 | |
| Grid reference | SO474028 | |
| UTM reference | 30U 516440 5730112 | |
| what3words | quintet.coverage.threading | |
| FixPhrase | crinkly lushness shape uplifted | |
| Plus code | 9C3VP6CQ+M6 | |
| Altitude | 224 metres (734 feet) | |
| Sunrise (today) | 7:04 | |
| Sunset (today) | 16:47 | |
| Distance away | ||
| Distance to sea | 13.5 KMs (8.4 miles) | 
| Parish | Trellech United | W04001083 | 
|---|---|---|
| Ward | Mitchel Troy and Trellech United | W05001785 | 
| Unitary Authority | Monmouthshire | W06000021 | 
| County | Gwent | W11000003 | 
| Constituency (2024) | Monmouthshire | W07000101 | 
| MP | Catherine Fookes | Labour | 
| Police force | Gwent | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Monmouthshire and Newport | |
| NUTS/ITL 2 | South East Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| Date introduced | June 1999 | 
|---|---|
| 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) | 29 | |
|---|---|---|
| Households (2011) | 12 | |
| 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 | |
| Census output area (2021) | W00008299 | |
| Census output area (2011) | 1A1 | |
| Lower layer super output area (2021) | Monmouthshire 007E | W01001594 | 
| Lower layer super output area (2011) | Monmouthshire 007E | W01001594 | 
| Middle layer super output area (2021) | Chepstow North & Trellech | W02000342 | 
| Middle layer super output area (2011) | Chepstow North & Trellech | W02000342 | 
| Travel to work area | Cinderford and Ross-on-Wye | K01000005 | 
| Average property price in Newport | £221,300 | 
|---|---|
| Annual change | 2.7% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Brockhurst, Llanishen | Detached (freehold) | Jan 2012 | £230,000 | 
| Hill Place, Llanishen | Detached (freehold) | Nov 2006 | £590,000 | 
| Trewyn, Llanishen | Detached (freehold) | Nov 2002 | £259,950 | 
| Homestead, Llanishen | Detached (freehold) | Feb 1999 | £135,000 | 
| Cartref, Llanishen | Detached (freehold) | May 1997 | £88,000 |