The SY21 0 postcode sector stands on the Gwynedd and Powys border.
Did you know? According to the 2021 Census, the SY21 0 postcode sector is home to a bustling 3,229 residents!
Given that each sector allows for 400 unique postcode combinations. Letters C, I, K, M, O and V are not allowed in the last two letters of a postcode. With 199 postcodes already in use, this leaves 201 units available.
The largest settlement in the SY21 0 postal code is LLANFAIR CAEREINION followed by LLANGADFAN, and LLANERFYL.
The SY21 0 Postcode shares a border with SY22 5 (LLANFYLLIN, LLANFIHANGEL, BWLCH-Y-CIBAU), SY22 6 (LLANSANTFFRAID-YM-MECHAIN, LLANYMYNECH, MEIFOD), SY10 0 (LLANRHAEADR-YM-MOCHNANT, LLANGYNOG, LLANWDDYN), SY16 3 (NEWTOWN, TREGYNON, ABERHAFESP), SY17 5 (CAERSWS, TREFEGLWYS, CARNO), SY19 7 (LLANBRYNMAIR, STAYLITTLE, BONTDOLGADFAN), SY20 9 (PENNAL, CORRIS, DINAS MAWDDWY), SY21 8 (FORDEN, BERRIEW, MIDDLETOWN) and SY21 9 (GUILSFIELD, CASTLE CAEREINION, POOL QUAY).
The sector is within the post town of WELSHPOOL.
SY21 0 is a postcode sector within the SY21 postcode district which is within the SY Shrewsbury postcode area.
The Royal Mail delivery office for the SY21 0 postal sector is the Welshpool Delivery Office.
The area of the SY21 0 postcode sector is 105.69 square miles which is 273.74 square kilometres or 67,642.60 square acres.
Map of the SY21 0 Postcode Sector
Explore the SY21 0 postcode sector by using our free interactive map.
| S | Y | 2 | 1 | - | 0 | X | X |
| S | Y | 2 | 1 | Space | 0 | Letter | Letter |
Official List of Streets
Llanfair Caereinion (25 Streets)
Foel (3 Streets)
Llanerfyl (4 Streets)
Unofficial Streets or Alternative Spellings
Weather Forecast for SY21 0
Press Button to Show Forecast for Llanfair Caereinion
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 03:00 to 06:00 |  | Overcast | 4.0°C (feels like 2.0°C) | 25.00% | NE 7 mph |
| 06:00 to 09:00 | | Overcast | 4.0°C (feels like 2.0°C) | 22.00% | NE 7 mph |
| 09:00 to 12:00 | | Overcast | 7.0°C (feels like 4.0°C) | 18.00% | ENE 9 mph |
| 12:00 to 15:00 |  | Light rain | 7.0°C (feels like 5.0°C) | 49.00% | NE 9 mph |
| 15:00 to 18:00 | | Overcast | 7.0°C (feels like 5.0°C) | 47.00% | NE 9 mph |
| 18:00 to 21:00 | | Overcast | 7.0°C (feels like 5.0°C) | 15.00% | NE 7 mph |
| 21:00 to 00:00 | | Overcast | 6.0°C (feels like 4.0°C) | 11.00% | NE 7 mph |
Press Button to Show Forecast for Llanfair Caereinion
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 |  | Cloudy | 5.0°C (feels like 3.0°C) | 7.00% | NNE 7 mph |
| 03:00 to 06:00 | | Cloudy | 4.0°C (feels like 2.0°C) | 8.00% | N 7 mph |
| 06:00 to 09:00 | | Cloudy | 5.0°C (feels like 2.0°C) | 12.00% | NNW 9 mph |
| 09:00 to 12:00 | | Cloudy | 7.0°C (feels like 5.0°C) | 13.00% | NNW 11 mph |
| 12:00 to 15:00 | | Cloudy | 10.0°C (feels like 8.0°C) | 12.00% | NW 11 mph |
| 15:00 to 18:00 | | Cloudy | 11.0°C (feels like 8.0°C) | 9.00% | WNW 11 mph |
| 18:00 to 21:00 |  | Sunny day | 9.0°C (feels like 7.0°C) | 3.00% | W 9 mph |
| 21:00 to 00:00 |  | Clear night | 5.0°C (feels like 3.0°C) | 1.00% | SW 7 mph |
Press Button to Show Forecast for Llanfair Caereinion
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Clear night | 4.0°C (feels like 2.0°C) | 1.00% | SSW 7 mph |
| 03:00 to 06:00 |  | Partly cloudy (night) | 4.0°C (feels like 2.0°C) | 1.00% | SSW 7 mph |
| 06:00 to 09:00 |  | Partly cloudy (day) | 6.0°C (feels like 3.0°C) | 1.00% | S 7 mph |
| 09:00 to 12:00 | | Partly cloudy (day) | 10.0°C (feels like 8.0°C) | 1.00% | S 13 mph |
| 12:00 to 15:00 | | Overcast | 13.0°C (feels like 10.0°C) | 11.00% | S 16 mph |
| 15:00 to 18:00 | | Cloudy | 13.0°C (feels like 10.0°C) | 8.00% | S 16 mph |
| 18:00 to 21:00 | | Cloudy | 12.0°C (feels like 9.0°C) | 6.00% | S 13 mph |
| 21:00 to 00:00 | | Partly cloudy (night) | 9.0°C (feels like 6.0°C) | 4.00% | SSE 11 mph |
Press Button to Show Forecast for Llanfair Caereinion
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Partly cloudy (night) | 7.0°C (feels like 5.0°C) | 4.00% | SSE 9 mph |
| 03:00 to 06:00 | | Partly cloudy (night) | 7.0°C (feels like 4.0°C) | 3.00% | SE 9 mph |
| 06:00 to 09:00 | | Partly cloudy (day) | 8.0°C (feels like 5.0°C) | 4.00% | SE 9 mph |
| 09:00 to 12:00 | | Sunny day | 11.0°C (feels like 9.0°C) | 5.00% | SE 13 mph |
| 12:00 to 15:00 | | Partly cloudy (day) | 14.0°C (feels like 11.0°C) | 10.00% | SE 13 mph |
| 15:00 to 18:00 | | Cloudy | 15.0°C (feels like 12.0°C) | 14.00% | SE 13 mph |
| 18:00 to 21:00 | | Cloudy | 13.0°C (feels like 12.0°C) | 12.00% | SE 9 mph |
| 21:00 to 00:00 | | Partly cloudy (night) | 10.0°C (feels like 8.0°C) | 5.00% | ESE 7 mph |
House Prices in the SY21 0 Postcode Sector
| Type of Property | 2018 Average | 2018 Sales | 2017 Average | 2017 Sales | 2016 Average | 2016 Sales | 2015 Average | 2015 Sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £249,913 | 23 | £249,423 | 26 | £207,236 | 26 | £195,438 | 32 |
| Semi-Detached | £156,066 | 15 | £182,500 | 8 | £121,658 | 6 | £116,500 | 5 |
| Terraced | £95,029 | 7 | £121,667 | 3 | £98,863 | 4 | £108,500 | 8 |
| Flats | £0 | 0 | £124,000 | 1 | £0 | 0 | £0 | 0 |
Important Postcodes SY21 0 in the Postcode Sector
SY21 0HW is the postcode for Caereinion High School, Llanfair Caereinion, and Caereinion Leisure Centre, Llanfair Caereinion
SY21 0NW is the postcode for Banw C.P. School, Llangadfan
SY21 0RT is the postcode for MAIN BUILDING, Health Centre, Llanfair Caereinion
SY21 0SF is the postcode for Llanfair Caereinion Primary School, Pool Road
| The SY21 0 Sector is within these Local Authorities |
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| The SY21 0 Sector is within these Counties |
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| The SY21 0 Sector is within these Water Company Areas |
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