| Postcode | SY21 9AR | 
|---|---|
| Post Town | Welshpool | 
| Nearest station | Welshpool (6 km) | 
| Bus stops | No nearby bus stops | 
| Roads in this postcode | |
| Number of UPRNs | 19 View | 
| Known addresses | Coed-Y-Cwm, Cwm Lane, Castle Caereinion Pen Y Foel, Cwm Lane, Castle Caereinion Ty Coed, Cwm Lane, Castle Caereinion | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 52.641549 | |
|---|---|---|
| Longitude | -3.224658 | |
| Easting | 317230 | |
| Northing | 305572 | |
| Grid reference | SJ172055 | |
| UTM reference | 30U 484798 5832420 | |
| what3words | fuels.outcasts.corner | |
| FixPhrase | crock lurch sleek unjustly | |
| Plus code | 9C4RJQRG+J4 | |
| Altitude | 226 metres (741 feet) | |
| Sunrise (today) | 7:08 | |
| Sunset (today) | 16:46 | |
| Distance away | ||
| Distance to sea | 48.4 KMs (30.1 miles) | 
| Parish | Castle Caereinion | W04000262 | 
|---|---|---|
| Ward | Berriew and Castle Caereinion | W05001119 | 
| 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) | 26 | |
|---|---|---|
| Households (2011) | 9 | |
| 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 in a sparse setting | |
| Census output area (2021) | W00002366 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Powys 002A | W01000444 | 
| Lower layer super output area (2011) | Powys 002A | W01000444 | 
| Middle layer super output area (2021) | Four Crosses & Guilsfield | W02000098 | 
| Middle layer super output area (2011) | Four Crosses & Guilsfield | W02000098 | 
| Travel to work area | Newtown and Welshpool | W22000015 | 
| Average property price in Shrewsbury | £264,180 | 
|---|---|
| Annual change | 0.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Coed-Y-Cwm, Cwm Lane, Castle Caereinion | Detached (freehold) | Dec 2014 | £340,000 | 
| Ty Coed, Cwm Lane, Castle Caereinion | Detached (freehold) | Feb 2002 | £190,000 | 
| Pen Y Foel, Cwm Lane, Castle Caereinion | Detached (freehold) | Sep 1996 | £32,000 |