N21 3BU maps, stats, and open data
N21 3BU lies on Broad Walk in London. N21 3BU is located in the Winchmore Hill 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 3BU maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
N21 3BU geodata
| Easting | 531021 |
| Northing | 194289 |
| Latitude | 51.632163 |
| Longitude | -0.108329 |
Where is N21 3BU?
| Street | Broad Walk |
| Town/City | London |
| Country | England |
| Postcode District | N21 |
N21 3BU Elevation
Elevation or altitude of N21 3BU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 60m | 197ft |
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 | Winchmore Hill |
|---|---|
| Constituency | Enfield, Southgate |
House Prices
Sales of detached houses in N21 3BU
25A, BROAD WALK, LONDON, N21 3BU 2024 30 AUG £2,600,000 |
2022 22 JUL £5,100,000 |
2021 7 SEP £4,500,000 |
2018 22 MAY £4,300,000 |
2017 30 JUN £2,700,000 |
2015 26 FEB £4,099,950 |
31, BROAD WALK, LONDON, N21 3BU 2007 5 DEC £2,000,000 |
27A, BROAD WALK, LONDON, N21 3BU 2007 13 FEB £1,800,000 |
25B, BROAD WALK, LONDON, N21 3BU 2003 5 JUN £1,700,000 |
2000 23 OCT £1,300,000 |
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 3BU
| Winchmore Hill The Green | Winchmore Hill | 454m |
| Winchmore Hill The Green | Winchmore Hill | 464m |
| Church Hill | Winchmore Hill | 695m |
| Church Hill | Winchmore Hill | 707m |
| Park Gate | Southgate | 742m |
Nearest underground/metro/tram to N21 3BU
| Southgate Underground Station | Southgate | 1,349m |
Nearest railway stations to N21 3BU
| Winchmore Hill Station | 0.6km |
| Grange Park Station | 1.4km |
| Palmers Green Station | 1.5km |
Broadband
Broadband access in N21 3BU (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 3BU (2019 data)
Download
| Median download speed | 77.5Mbps |
| Average download speed | 150.9Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 7.8Mbps |
| Average upload speed | 5.4Mbps |
| Maximum upload speed | 8.91Mbps |
Broadband limitations in N21 3BU (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 3BU gas and electricity consumption
Estimated total energy consumption in N21 3BU by fuel type, 2015.
Gas
| Consumption (kWh) | 99,095 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 16,516 |
| Median (kWh/meter) | 1,537 |
Electricity
| Consumption (kWh) | 87,313 |
|---|---|
| Meter count | 7 |
| Mean (kWh/meter) | 12,473 |
| Median (kWh/meter) | 9,156 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N21 3BU, for 2015.
- Meter count: The total number of meters in N21 3BU.
- 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
23.3% of English postcodes are less deprived than N21 3BU:Food Standards Agency
Three nearest food hygiene ratings to N21 3BU (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N21 3BU
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Seaforth Gardens/Broad Walk | 17:30 | 12:00 | 144m |
| Woodlands Way N21 | 17:30 | 12:00 | 323m |
| 34 Oaklands | 17:30 | 12:00 | 399m |
N21 3BU ITL and N21 3BU 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 3BU:
| 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 3BU 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 3BU:
| Code | Name | |
|---|---|---|
| OA | E00007756 | |
| LSOA | E01001568 | Enfield 022D |
| MSOA | E02000298 | Enfield 022 |
Nearest postcodes to N21 3BU
| N21 3BX | Broad Walk | 65m |
| N21 3QN | Woodcroft | 217m |
| N21 3BT | Seaforth Gardens | 223m |
| N21 3BS | Seaforth Gardens | 233m |
| N21 3BL | Broad Walk | 233m |
| N21 3QP | Woodcroft | 236m |
| N21 3PT | Downes Court | 241m |
| N21 3PS | Downes Court | 250m |
| N21 3BJ | Broad Walk | 253m |
| N21 3PY | Woodland Way | 258m |
- 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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