| Postcode | SY22 5BU | 
|---|---|
| Post Town | Llanfechain, Llanfyllin, Llansantffraid, Llanymynech, Meifod | 
| Nearest station | Welshpool (15 km) | 
| Bus stops | Cross Keys (SE) High School (SE) High School (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 5 View | 
| Known addresses | London House, Narrow Street, Llanfyllin The Old Chapel, Narrow Street, Llanfyllin 3 Narrow Street, Llanfyllin 4 Narrow Street, Llanfyllin | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 52.766209 | |
|---|---|---|
| Longitude | -3.273908 | |
| Easting | 314143 | |
| Northing | 319496 | |
| Grid reference | SJ141194 | |
| UTM reference | 30U 481518 5846298 | |
| what3words | workbench.spans.diner | |
| FixPhrase | crook lurch stadium trident | |
| Plus code | 9C4RQP8G+FC | |
| Altitude | 130 metres (427 feet) | |
| Sunrise (today) | 7:07 | |
| Sunset (today) | 16:48 | |
| Distance away | ||
| Distance to sea | 43.9 KMs (27.3 miles) | 
| Parish | Llanfyllin | W04000305 | 
|---|---|---|
| Ward | Llanfyllin | W05001148 | 
| 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) | 6 | |
|---|---|---|
| Households (2011) | 3 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Larger rural Further from a major town or city | |
| Rural/urban (2011) | Rural town and fringe in a sparse setting | |
| Built up area (2024) | Llanfyllin | W45000824 | 
| Census output area (2021) | W00002463 | |
| Census output area (2011) | 5A3 | |
| Lower layer super output area (2021) | Powys 001A | W01000461 | 
| Lower layer super output area (2011) | Powys 001A | W01000461 | 
| Middle layer super output area (2021) | Llanfyllin & Llanwyddyn | W02000097 | 
| Middle layer super output area (2011) | Llanfyllin & Llanwyddyn | W02000097 | 
| Travel to work area | Oswestry | K01000014 | 
| Average property price in Shrewsbury | £264,180 | 
|---|---|
| Annual change | 0.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 4 Narrow Street, Llanfyllin | Terraced (freehold) | Jun 2025 | £165,000 | 
| Terraced (freehold) | Nov 2018 | £115,500 | |
| Terraced (freehold) | Oct 2014 | £97,000 | |
| Terraced (freehold) | Jan 1996 | £30,000 | |
| London House, Narrow Street, Llanfyllin | Detached (freehold) | Mar 2024 | £145,000 | 
| Detached (freehold) | Feb 1998 | £90,000 | |
| 3 Narrow Street, Llanfyllin | Terraced (freehold) | Jul 2023 | £145,000 | 
| Terraced (freehold) | Feb 2015 | £77,500 | |
| The Old Chapel, Narrow Street, Llanfyllin | Other (freehold) | Aug 2015 | £80,000 |