| Postcode | SY21 8SY | 
|---|---|
| Post Town | Welshpool | 
| Nearest station | Welshpool (5 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 10 View | 
| Known addresses | Bryn Tirion, Sale Lane, Trewern Cefn Farm, Sale Lane, Trewern Gwaelod Nesaf Y Bryn, Sale Lane, Trewern Gwaelod Y Bryn, Sale Lane, Trewern | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 52.686959 | |
|---|---|---|
| Longitude | -3.079358 | |
| Easting | 327137 | |
| Northing | 310466 | |
| Grid reference | SJ271104 | |
| UTM reference | 30U 494635 5837451 | |
| what3words | passively.pounce.geese | |
| FixPhrase | crock luridness subgroup switch | |
| Plus code | 9C4RMWPC+Q7 | |
| Altitude | 78 metres (256 feet) | |
| Sunrise (today) | 7:08 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 57.5 KMs (35.7 miles) | 
| Parish | Trewern | W04000351 | 
|---|---|---|
| Ward | Trelystan and Trewern | W05001171 | 
| Unitary Authority | Powys | W06000023 | 
| County | Powys | W11000006 | 
| Constituency (2024) | Montgomeryshire and Glyndwr | W07000102 | 
| MP | Steve Witherden | Labour | 
| Police force | Dyfed-Powys | |
| Water company | Dee Valley Water | |
| NUTS/ITL 3 | Mid Wales | |
| NUTS/ITL 2 | Mid and South West 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) | 8 | |
|---|---|---|
| Households (2011) | 4 | |
| 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 village in a sparse setting | |
| Census output area (2021) | W00002656 | |
| Census output area (2011) | 1A2 | |
| Lower layer super output area (2021) | Powys 005D | W01000497 | 
| Lower layer super output area (2011) | Powys 005D | W01000497 | 
| Middle layer super output area (2021) | Montgomery, Trewern & Berriew | W02000101 | 
| Middle layer super output area (2011) | Montgomery, Trewern & Berriew | W02000101 | 
| Travel to work area | Newtown and Welshpool | W22000015 | 
| Average property price in Shrewsbury | £264,180 | 
|---|---|
| Annual change | 0.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Gwaelod Y Bryn, Sale Lane, Trewern | Semi-detached (freehold) | May 2022 | £175,000 | 
| Gwaelod Nesaf Y Bryn, Sale Lane, Trewern | Semi-detached (freehold) | Apr 2022 | £175,000 | 
| Other (freehold) | May 2019 | £25,000 | |
| Bryn Tirion, Sale Lane, Trewern | Detached (freehold) | May 2021 | £155,000 | 
| Detached (freehold) | Sep 2006 | £120,000 | |
| Detached (freehold) | Jun 1997 | £44,000 | |
| Cefn Farm, Sale Lane, Trewern | Other (freehold) | Nov 2016 | £283,500 |