AL6 0TX lies on Mardley Heights in Welwyn. AL6 0TX is located in the Welwyn East electoral ward, within the local authority district of Welwyn Hatfield and the English Parliamentary constituency of Welwyn Hatfield. 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 | 525124 |
| Northing | 218022 |
| Latitude | 51.846790 |
| Longitude | -0.184935 |
| Street | Mardley Heights |
| Town/City | Welwyn |
| Country | England |
| Postcode District | AL6 |
Elevation or altitude of AL6 0TX 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 | Welwyn East |
|---|---|
| Constituency | Welwyn Hatfield |
2021 17 MAY £810,500 |
5, MARDLEY HEIGHTS, WELWYN, AL6 0TX 2015 12 AUG £670,000 |
13, MARDLEY HEIGHTS, WELWYN, AL6 0TX 2013 27 SEP £458,000 |
2013 6 SEP £480,000 |
3, MARDLEY HEIGHTS, WELWYN, AL6 0TX 2011 15 DEC £467,500 |
4, MARDLEY HEIGHTS, WELWYN, AL6 0TX 2011 30 JUN £470,000 |
2008 5 JUN £580,000 |
7, MARDLEY HEIGHTS, WELWYN, AL6 0TX 2007 16 MAR £575,000 |
2006 12 MAY £445,000 |
2005 4 NOV £200,000 |
| The Drive (Mardley Hill) | Mardley Hill | 90m |
| The Drive (Mardley Hill) | Mardley Hill | 105m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 281m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 307m |
| Oak Road (Mardleybury Road) | Woolmer Green | 641m |
| Knebworth Station | 2.2km |
| Welwyn North Station | 2.6km |
| Watton-at-Stone Station | 4.6km |
| 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 | 49.0Mbps |
| Average download speed | 43.2Mbps |
| Maximum download speed | 80.00Mbps |
| Median upload speed | 12.4Mbps |
| Average upload speed | 11.5Mbps |
| 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 AL6 0TX by fuel type, 2015.
| Consumption (kWh) | 374,574 |
|---|---|
| Meter count | 13 |
| Mean (kWh/meter) | 28,813 |
| Median (kWh/meter) | 24,563 |
| Consumption (kWh) | 53,877 |
|---|---|
| Meter count | 10 |
| Mean (kWh/meter) | 5,388 |
| Median (kWh/meter) | 5,916 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mardley Hill | 16:00 | 07:45 | 105m |
| Oaklands Rise | 16:00 | 08:00 | 586m |
| Oak Road | 16:45 | 09:30 | 658m |
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 AL6 0TX:
| 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 AL6 0TX:
| Code | Name | |
|---|---|---|
| OA | E00121692 | |
| LSOA | E01023965 | Welwyn Hatfield 001A |
| MSOA | E02004980 | Welwyn Hatfield 001 |
| AL6 0SX | Mardley Heights | 42m |
| AL6 0TT | Mardley Hill | 71m |
| AL6 0SZ | Scarff Close | 114m |
| AL6 0TZ | Mardley Avenue | 122m |
| AL6 0TU | Mardley Avenue | 130m |
| AL6 0TN | Mardley Hill | 133m |
| AL6 0TY | Hillside Way | 150m |
| AL6 0UA | Woodacre Drive | 182m |
| AL6 0UR | Mardley Dell | 185m |
| AL6 0UD | Mardley Avenue | 190m |