EN6 4PJ lies on Carbone Hill in Northaw, Potters Bar. EN6 4PJ is located in the Northaw and Cuffley electoral ward, within the local authority district of Welwyn Hatfield and the English Parliamentary constituency of Broxbourne. The Sub Integrated Care Board (ICB) Location is NHS Hertfordshire and West Essex ICB - 06K and the police force is Hertfordshire. This postcode has been in use since January 1980.


| Easting | 529230 |
| Northing | 203757 |
| Latitude | 51.717660 |
| Longitude | -0.130692 |
| Street | Carbone Hill |
| Locality | Northaw |
| Town/City | Potters Bar |
| Country | England |
| Postcode District | EN6 |
Elevation or altitude of EN6 4PJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 110m | 361ft |
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 | Northaw And Cuffley |
|---|---|
| Constituency | Broxbourne |
2025 17 SEP £1,600,000 |
5, CARBONE HILL, NORTHAW, POTTERS BAR, EN6 4PJ 2025 28 MAR £1,450,000 |
2019 1 FEB £2,154,000 |
11, CARBONE HILL, NORTHAW, POTTERS BAR, EN6 4PJ 2017 17 NOV £1,460,000 |
2015 9 OCT £1,617,500 |
19, CARBONE HILL, NORTHAW, POTTERS BAR, EN6 4PJ 2010 6 SEP £1,000,000 |
2010 30 JUL £1,500,000 |
2002 12 JUL £1,300,000 |
23, CARBONE HILL, NORTHAW, POTTERS BAR, EN6 4PJ 1999 10 DEC £525,000 |
1, CARBONE HILL, NORTHAW, POTTERS BAR, EN6 4PJ 1999 31 MAR £500,000 |
| Hanyards Lane (The Ridgeway) | Cuffley | 609m |
| Hanyards Lane (The Ridgeway) | Cuffley | 609m |
| Hill Rise | Cuffley | 753m |
| Tolmers Road North (Tolmers Road) | Cuffley | 950m |
| Hill Rise | Cuffley | 1,068m |
| Cuffley Station | 1.8km |
| Crews Hill Station | 4km |
| Potters Bar Station | 4.9km |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 70.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 77.9Mbps |
| Average download speed | 119.6Mbps |
| Maximum download speed | 350.00Mbps |
| Median upload speed | 18.5Mbps |
| Average upload speed | 15.6Mbps |
| 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 EN6 4PJ by fuel type, 2015.
| Consumption (kWh) | 457,529 |
|---|---|
| Meter count | 10 |
| Mean (kWh/meter) | 45,753 |
| Median (kWh/meter) | 52,211 |
| Consumption (kWh) | 75,365 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 9,421 |
| Median (kWh/meter) | 6,641 |



➜ Get more ratings from the Food Standards Agency
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Cross Road | 18:00 | 11:30 | 941m |
| Tolmers Road | 17:30 | 11:45 | 1,482m |
| Newgate Street | 16:30 | 09:45 | 1,645m |
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 EN6 4PJ:
| ITL 1 Code | Name |
|---|---|
| TLH | East |
| ITL 2 Code | Name |
| TLH2 | Bedfordshire and Hertfordshire |
| ITL 3 Code | Name |
| TLH23 | Hertfordshire CC |
| LAU 1 Code | Name |
| E07000241 | Welwyn Hatfield |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for EN6 4PJ:
| Code | Name | |
|---|---|---|
| OA | E00121593 | |
| LSOA | E01023949 | Welwyn Hatfield 016C |
| MSOA | E02004995 | Welwyn Hatfield 016 |
| EN6 4PL | Carbone Hill | 69m |
| EN6 4PP | Homewood Lane | 200m |
| EN6 4PN | Carbone Hill | 230m |
| EN6 4BE | The Ridgeway | 295m |
| EN6 4BA | The Ridgeway | 357m |
| EN6 4BB | The Ridgeway | 373m |
| EN6 4PG | Vineyards Road | 388m |
| EN6 4PH | Vineyards Road | 412m |
| EN6 4BD | The Ridgeway | 437m |
| EN6 4RR | Coulter Close | 467m |