SY18 6HT lies on Dyfnant Terrace in Llanidloes. SY18 6HT is located in the Llanidloes 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 January 1980.


| Easting | 295125 |
| Northing | 285194 |
| Latitude | 52.454597 |
| Longitude | -3.544777 |
| Street | Dyfnant Terrace |
| Town/City | Llanidloes |
| Country | Wales |
| Postcode District | SY18 |
Elevation or altitude of SY18 6HT as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 200m | 656ft |
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.
| Ward | Llanidloes |
|---|---|
| Constituency | Montgomeryshire |
ARDFIN, DYFNANT TERRACE, LLANIDLOES, SY18 6HT 2018 31 AUG £335,000 |
| Hospital (Grounds) | Llanidloes | 463m |
| Post Office (Long Bridge Post Office) | Llanidloes | 627m |
| Red Lion Hotel (Long Bridge Street) | Llanidloes | 682m |
| Red Lion Hotel (Long Bridge Street) | Llanidloes | 694m |
| Army Cadet Centre (Victoria Avenue) | Llanidloes | 755m |
| Percentage of properties with Next Generation Access | 83.3% |
| Percentage of properties with Superfast Broadband | 83.3% |
| Percentage of properties with Ultrafast Broadband | 83.3% |
| Percentage of properties with Full Fibre Broadband | 83.3% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| 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 | 16.7% |


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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 SY18 6HT:
| 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 |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SY18 6HT:
| Code | Name | |
|---|---|---|
| OA | W00002478 | |
| LSOA | W01000467 | Powys 010D |
| MSOA | W02000106 | Powys 010 |
| SY18 6HS | Rock Terrace | 83m |
| SY18 6HR | Van Road | 108m |
| SY18 6HU | Woodlands Road | 270m |
| SY18 6JG | Tan Yr Allt | 303m |
| SY18 6HL | Westgate Street | 326m |
| SY18 6HX | Woodlands Road | 347m |
| SY18 6HW | Llys Clywedog | 383m |
| SY18 6HJ | Westgate Street | 397m |
| SY18 6HY | 410m | |
| SY18 6HH | Wellington Terrace | 412m |