AL6 0SX lies on Mardley Heights in Welwyn. AL6 0SX 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 February 1990.


| Easting | 525109 |
| Northing | 217983 |
| Latitude | 51.846443 |
| Longitude | -0.185167 |
| Street | Mardley Heights |
| Town/City | Welwyn |
| Country | England |
| Postcode District | AL6 |
Elevation or altitude of AL6 0SX 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 25 NOV £750,000 |
2006 16 JUN £399,500 |
| The Drive (Mardley Hill) | Mardley Hill | 123m |
| The Drive (Mardley Hill) | Mardley Hill | 141m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 251m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 277m |
| Oak Road (Mardleybury Road) | Woolmer Green | 677m |
| Knebworth Station | 2.3km |
| Welwyn North Station | 2.6km |
| Watton-at-Stone Station | 4.7km |
| 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
| 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% |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mardley Hill | 16:00 | 07:45 | 105m |
| Oaklands Rise | 16:00 | 08:00 | 546m |
| Oak Road | 16:45 | 09:30 | 694m |
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 0SX:
| 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 0SX:
| Code | Name | |
|---|---|---|
| OA | E00121692 | |
| LSOA | E01023965 | Welwyn Hatfield 001A |
| MSOA | E02004980 | Welwyn Hatfield 001 |
| AL6 0TX | Mardley Heights | 42m |
| AL6 0TZ | Mardley Avenue | 83m |
| AL6 0TT | Mardley Hill | 88m |
| AL6 0TU | Mardley Avenue | 95m |
| AL6 0TY | Hillside Way | 123m |
| AL6 0UA | Woodacre Drive | 147m |
| AL6 0SZ | Scarff Close | 153m |
| AL6 0UD | Mardley Avenue | 154m |
| AL6 0TN | Mardley Hill | 155m |
| AL6 0UX | Mardleywood | 183m |