SY21 9DX maps, stats, and open data
SY21 9DX lies on Tan Y Castell in Castle Caereinion, Welshpool. SY21 9DX is located in the Berriew and Castle Caereinion electoral ward, within the unitary authority of Powys and the Welsh Parliamentary constituency of Montgomeryshire. The Local Health Board is Powys Teaching and the police force is Dyfed-Powys. This postcode has been in use since June 1998.
SY21 9DX maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SY21 9DX geodata
| Easting | 316389 |
| Northing | 305615 |
| Latitude | 52.641809 |
| Longitude | -3.237095 |
Where is SY21 9DX?
| Street | Tan Y Castell |
| Locality | Castle Caereinion |
| Town/City | Welshpool |
| Country | Wales |
| Postcode District | SY21 |
SY21 9DX Elevation
Elevation or altitude of SY21 9DX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 180m | 591ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Berriew And Castle Caereinion |
|---|---|
| Constituency | Montgomeryshire |
Transport
Nearest bus stops to SY21 9DX
| Maesgarmon (The Row) | Castle Caereinion | 69m |
| Maesgarmon (The Row) | Castle Caereinion | 78m |
| Station (B4385) | Castle Caereinion | 415m |
Nearest underground/metro/tram to SY21 9DX
| Castle Caereinion Station (W&llr) | Castle Caereinion | 417m |
| Sylfaen Station (W&llr) | Sylfaen | 1,468m |
Broadband
Broadband access in SY21 9DX (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SY21 9DX (2019 data)
Download
| Median download speed | 49.6Mbps |
| Average download speed | 49.2Mbps |
| Maximum download speed | 71.50Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 12.7Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SY21 9DX (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
SY21 9DX gas and electricity consumption
Estimated total energy consumption in SY21 9DX by fuel type, 2015.
Electricity
| Consumption (kWh) | 46,415 |
|---|---|
| Meter count | 15 |
| Mean (kWh/meter) | 3,094 |
| Median (kWh/meter) | 3,626 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SY21 9DX, for 2015.
- Meter count: The total number of meters in SY21 9DX.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
16% of Welsh postcodes are less deprived than SY21 9DX:Food Standards Agency
Three nearest food hygiene ratings to SY21 9DX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SY21 9DX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Bridge | 17:00 | 11:15 | 3,808m |
SY21 9DX ITL and SY21 9DX LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for SY21 9DX:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL24 | Powys |
| LAU 1 Code | Name |
| W06000023 | Powys |
SY21 9DX census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SY21 9DX:
| Code | Name | |
|---|---|---|
| OA | W00002366 | |
| LSOA | W01000444 | Powys 002A |
| MSOA | W02000098 | Powys 002 |
Nearest postcodes to SY21 9DX
| SY21 9BH | Coppice Lane | 38m |
| SY21 9AN | Maesgarmon | 89m |
| SY21 9AL | 118m | |
| SY21 9BQ | Maesgarmon Close | 140m |
| SY21 9BJ | Maes Castell | 173m |
| SY21 9AJ | 240m | |
| SY21 9AS | 276m | |
| SY21 9DZ | Swallows Meadow | 307m |
| SY21 9AR | Cwm Lane | 842m |
| SY21 9EU | 2039m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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