| Postcode | NP15 1JH | 
|---|---|
| Post Town | Usk | 
| Nearest station | Pontypool and New Inn (9 km) | 
| Bus stops | No nearby bus stops | 
| Number of UPRNs | 21 View | 
| Known addresses | Arosfa, Trostrey Brookside Building, Trostrey Buena Vista, Trostrey Neath House, Trostrey Overbrooke, Trostrey Rose Cottage, Trostrey The Glade, Trostrey The Haven, Trostrey Yew Tree Cottage, Trostrey | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.734504 | |
|---|---|---|
| Longitude | -2.896185 | |
| Easting | 338209 | |
| Northing | 204357 | |
| Grid reference | SO382043 | |
| UTM reference | 30U 507169 5731514 | |
| what3words | broached.lifestyle.lifts | |
| FixPhrase | crinkly lushly sinuous uniformly | |
| Plus code | 9C3VP4M3+RG | |
| Altitude | 85 metres (279 feet) | |
| Sunrise (today) | 7:05 | |
| Sunset (today) | 16:47 | |
| Distance away | ||
| Distance to sea | 20.7 KMs (12.9 miles) | 
| Parish | Raglan | W04001078 | 
|---|---|---|
| Ward | Raglan | W05001792 | 
| 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) | 41 | |
|---|---|---|
| Households (2011) | 15 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural hamlet and isolated dwellings | |
| Census output area (2021) | W00008133 | |
| Census output area (2011) | 1A2 | |
| Lower layer super output area (2021) | Monmouthshire 006C | W01001560 | 
| Lower layer super output area (2011) | Monmouthshire 006C | W01001560 | 
| Middle layer super output area (2021) | Usk, Goytre & Llangybi Fawr | W02000341 | 
| Middle layer super output area (2011) | Usk, Goytre & Llangybi Fawr | W02000341 | 
| Travel to work area | Newport | K01000013 | 
| Average property price in Newport | £221,300 | 
|---|---|
| Annual change | 2.7% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| The Haven, Trostrey | Other (freehold) | Oct 2021 | £12,000 | 
| Detached (freehold) | Jun 2021 | £450,000 | |
| Rose Cottage, Trostrey | Detached (freehold) | Jan 2021 | £661,500 | 
| Detached (freehold) | Nov 2005 | £165,000 | |
| Detached (freehold) | Jul 2004 | £120,000 | |
| Brookside Building, Trostrey | Other (freehold) | Nov 2017 | £75,000 | 
| Overbrooke, Trostrey | Detached (freehold) | Dec 2016 | £550,000 | 
| Detached (freehold) | May 2004 | £290,000 | |
| Yew Tree Cottage, Trostrey | Detached (freehold) | Jan 2015 | £225,000 | 
| Buena Vista, Trostrey | Detached (freehold) | Jul 2009 | £540,000 | 
| Neath House, Trostrey | Detached (freehold) | Jul 2009 | £475,000 | 
| The Glade, Trostrey | Detached (freehold) | Jul 2007 | £480,000 | 
| Arosfa, Trostrey | Detached (freehold) | Jul 1999 | £200,000 |