N21 1DX maps, stats, and open data
N21 1DX lies on Onslow Gardens in London. N21 1DX is located in the Grange Park electoral ward, within the London borough of Enfield and the English Parliamentary constituency of Enfield, Southgate. The Sub Integrated Care Board (ICB) Location is NHS North Central London ICB - 93C and the police force is Metropolitan Police. This postcode has been in use since January 1980.
N21 1DX maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
N21 1DX geodata
| Easting | 531358 |
| Northing | 195736 |
| Latitude | 51.645088 |
| Longitude | -0.102920 |
Where is N21 1DX?
| Street | Onslow Gardens |
| Town/City | London |
| Country | England |
| Postcode District | N21 |
N21 1DX Elevation
Elevation or altitude of N21 1DX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
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 | Grange Park |
|---|---|
| Constituency | Enfield, Southgate |
House Prices
Sales of detached houses in N21 1DX
2024 21 JUN £780,000 |
2018 20 APR £745,000 |
2010 23 DEC £430,000 |
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 N21 1DX
| Vera Avenuecheyne Walk | Grange Park | 323m |
| Cadogan Gardens Enfield | Grange Park | 349m |
| Eversley Crescent Enfield | Grange Park | 372m |
| Bazile Road (Green Dragon Lane) | Grange Park | 376m |
| Bazile Road (Green Dragon Lane) | Grange Park | 390m |
Nearest railway stations to N21 1DX
| Grange Park Station | 0.5km |
| Enfield Chase Station | 1.2km |
| Winchmore Hill Station | 1.2km |
Broadband
Broadband access in N21 1DX (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 | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in N21 1DX (2019 data)
Download
| Median download speed | 12.7Mbps |
| Average download speed | 49.8Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 1.0Mbps |
| Average upload speed | 1.0Mbps |
| Maximum upload speed | 1.18Mbps |
Broadband limitations in N21 1DX (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% |
N21 1DX gas and electricity consumption
Estimated total energy consumption in N21 1DX by fuel type, 2015.
Gas
| Consumption (kWh) | 335,855 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 19,756 |
| Median (kWh/meter) | 20,780 |
Electricity
| Consumption (kWh) | 62,987 |
|---|---|
| Meter count | 15 |
| Mean (kWh/meter) | 4,199 |
| Median (kWh/meter) | 3,951 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N21 1DX, for 2015.
- Meter count: The total number of meters in N21 1DX.
- 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
20.5% of English postcodes are less deprived than N21 1DX:Food Standards Agency
Three nearest food hygiene ratings to N21 1DX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N21 1DX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| 10 Onslow Gardens | 17:30 | 12:00 | 94m |
| Vera Avenue | 17:30 | 12:00 | 214m |
| 38 Cheyne Road | 17:30 | 12:00 | 292m |
N21 1DX ITL and N21 1DX 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 N21 1DX:
| ITL 1 Code | Name |
|---|---|
| TLI | London |
| ITL 2 Code | Name |
| TLI5 | Outer London - East and North East |
| ITL 3 Code | Name |
| TLI54 | Enfield |
| LAU 1 Code | Name |
| E09000010 | Enfield |
N21 1DX 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 N21 1DX:
| Code | Name | |
|---|---|---|
| OA | E00007234 | |
| LSOA | E01001454 | Enfield 017D |
| MSOA | E02000293 | Enfield 017 |
Nearest postcodes to N21 1DX
| N21 1DY | Onslow Gardens | 42m |
| N21 1DR | Cranleigh Gardens | 58m |
| N21 1DS | Cranleigh Gardens | 99m |
| N21 1DJ | Langham Gardens | 115m |
| N21 1DG | Uplands Way | 126m |
| N21 1DT | Uplands Way | 137m |
| N21 1EB | Onslow Gardens | 148m |
| N21 1DL | Langham Gardens | 156m |
| N21 1DH | Uplands Way | 174m |
| N21 1EA | Onslow Gardens | 176m |
- 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)
GetTheData.com is owned and operated by GetTheData Publishing Limited.
Company Number: 11075184 · Registered in England and Wales.
Registered Office: 3rd Floor, 86-90 Paul Street, London, England, EC2A 4NE
By accessing our site you agree to us using cookies, and sharing information about your use of our site, in accordance with our privacy policy.