TN21 8YL lies on Walnut Close in Heathfield. TN21 8YL is located in the Heathfield South electoral ward, within the local authority district of Wealden and the English Parliamentary constituency of Bexhill and Battle. The Sub Integrated Care Board (ICB) Location is NHS Sussex ICB - 97R and the police force is Sussex. This postcode has been in use since February 1990.


| Easting | 558970 |
| Northing | 120582 |
| Latitude | 50.962734 |
| Longitude | 0.262380 |
| Street | Walnut Close |
| Town/City | Heathfield |
| Country | England |
| Postcode District | TN21 |
Elevation or altitude of TN21 8YL as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 130m | 427ft |
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 | Heathfield South |
|---|---|
| Constituency | Bexhill And Battle |
2025 10 NOV £555,000 |
2025 31 MAR £590,000 |
2025 4 MAR £612,500 |
2024 10 SEP £647,000 |
2024 26 JUL £600,000 |
2022 16 JUN £595,000 |
2021 20 DEC £570,000 |
2018 22 MAR £510,000 |
2015 9 JUL £400,000 |
2014 19 JUN £360,000 |
| Pine Tree Road (Churchill Road) | Heathfield | 422m |
| Birch Way (Longview) | Sandy Cross | 472m |
| Parkside (Alexandra Road) | Heathfield | 495m |
| Holly Drive (Hailsham Road) | Heathfield | 524m |
| Holly Drive (Hailsham Road) | Heathfield | 536m |
| 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
| Median download speed | 57.2Mbps |
| Average download speed | 51.7Mbps |
| Maximum download speed | 80.00Mbps |
| Median upload speed | 16.4Mbps |
| Average upload speed | 12.9Mbps |
| Maximum upload speed | 20.00Mbps |
| 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% |
Estimated total energy consumption in TN21 8YL by fuel type, 2015.
| Consumption (kWh) | 337,308 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 21,082 |
| Median (kWh/meter) | 20,169 |
| Consumption (kWh) | 81,289 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 5,081 |
| Median (kWh/meter) | 4,586 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Station House | 16:45 | 09:00 | 1,167m |
| Heathfield Post Office | 17:30 | 11:30 | 1,178m |
| Little London | 16:00 | 10:00 | 1,322m |
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 TN21 8YL:
| ITL 1 Code | Name |
|---|---|
| TLJ | South East (England) |
| ITL 2 Code | Name |
| TLJ2 | Surrey, East and West Sussex |
| ITL 3 Code | Name |
| TLJ22 | East Sussex CC |
| LAU 1 Code | Name |
| E07000065 | Wealden |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for TN21 8YL:
| Code | Name | |
|---|---|---|
| OA | E00107640 | |
| LSOA | E01021194 | Wealden 010E |
| MSOA | E02004412 | Wealden 010 |
| TN21 8YH | Elm Way | 66m |
| TN21 8YA | The Oaks | 94m |
| TN21 8YG | Bay Tree Close | 141m |
| TN21 8YF | Magnolia Close | 163m |
| TN21 8JP | Woodland Way | 202m |
| TN21 8QQ | Beechwood Lane | 207m |
| TN21 8YE | The Spinneys | 210m |
| TN21 8YS | Coppice View | 240m |
| TN21 8YB | Lime Way | 253m |
| TN21 8YN | Mulberry Way | 267m |