TN21 8DN maps, stats, and open data
TN21 8DN lies on Collingwood Avenue in Heathfield. TN21 8DN 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 January 1980.
TN21 8DN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
TN21 8DN geodata
| Easting | 558517 |
| Northing | 121278 |
| Latitude | 50.969108 |
| Longitude | 0.256266 |
Where is TN21 8DN?
| Street | Collingwood Avenue |
| Town/City | Heathfield |
| Country | England |
| Postcode District | TN21 |
TN21 8DN Elevation
Elevation or altitude of TN21 8DN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 160m | 525ft |
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 | Heathfield South |
|---|---|
| Constituency | Bexhill And Battle |
House Prices
Sales of detached houses in TN21 8DN
2024 12 JUL £435,000 |
2023 29 JUN £810,000 |
2022 15 SEP £665,000 |
2018 15 MAY £475,000 |
AUTUMN COTTAGE, COLLINGWOOD AVENUE, HEATHFIELD, TN21 8DN 2018 23 MAR £385,000 |
2016 23 SEP £499,950 |
2014 4 DEC £540,000 |
PARMOOR, COLLINGWOOD AVENUE, HEATHFIELD, TN21 8DN 2011 6 JUL £310,000 |
2011 15 JUN £310,000 |
2008 22 MAY £480,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to TN21 8DN
| Collingwood Avenue (Tower Street) | Heathfield | 92m |
| Collingwood Avenue (Tower Street) | Heathfield | 105m |
| Cuckmere Rise | Heathfield | 193m |
| Ash Tree Close (Station Road) | Heathfield | 225m |
| Heathfield Park (Park Road) | Heathfield | 277m |
Broadband
Broadband access in TN21 8DN (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 TN21 8DN (2019 data)
Download
| Median download speed | 37.9Mbps |
| Average download speed | 36.2Mbps |
| Maximum download speed | 79.59Mbps |
Upload
| Median upload speed | 5.3Mbps |
| Average upload speed | 5.9Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in TN21 8DN (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% |
TN21 8DN gas and electricity consumption
Estimated total energy consumption in TN21 8DN by fuel type, 2015.
Gas
| Consumption (kWh) | 370,789 |
|---|---|
| Meter count | 21 |
| Mean (kWh/meter) | 17,657 |
| Median (kWh/meter) | 15,123 |
Electricity
| Consumption (kWh) | 91,975 |
|---|---|
| Meter count | 19 |
| Mean (kWh/meter) | 4,841 |
| Median (kWh/meter) | 5,250 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in TN21 8DN, for 2015.
- Meter count: The total number of meters in TN21 8DN.
- 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
2.6% of English postcodes are less deprived than TN21 8DN:Food Standards Agency
Three nearest food hygiene ratings to TN21 8DN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to TN21 8DN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Heathfield Post Office | 17:30 | 11:30 | 413m |
| Station House | 16:45 | 09:00 | 442m |
| Little London | 16:00 | 10:00 | 508m |
TN21 8DN ITL and TN21 8DN 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 TN21 8DN:
| 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 |
TN21 8DN 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 TN21 8DN:
| Code | Name | |
|---|---|---|
| OA | E00107651 | |
| LSOA | E01021194 | Wealden 010E |
| MSOA | E02004412 | Wealden 010 |
Nearest postcodes to TN21 8DN
| TN21 8EU | Hailsham Road | 81m |
| TN21 8HD | Little Paddock | 95m |
| TN21 8FH | Lavender Heath Gardens | 96m |
| TN21 8EX | Marshlands Lane | 106m |
| TN21 8DP | Collingwood Rise | 118m |
| TN21 8ET | Hailsham Road | 132m |
| TN21 8DL | Collingwood Rise | 136m |
| TN21 8HA | Highcroft Crescent | 152m |
| TN21 8HB | Fair Oak Close | 190m |
| TN21 8EY | Marshlands Lane | 192m |
- 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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