AL6 0TT maps, stats, and open data
AL6 0TT lies on Mardley Hill in Welwyn. AL6 0TT 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.
AL6 0TT maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
AL6 0TT geodata
| Easting | 525062 |
| Northing | 218057 |
| Latitude | 51.847119 |
| Longitude | -0.185822 |
Where is AL6 0TT?
| Street | Mardley Hill |
| Town/City | Welwyn |
| Country | England |
| Postcode District | AL6 |
AL6 0TT Elevation
Elevation or altitude of AL6 0TT 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.
Politics
| Ward | Welwyn East |
|---|---|
| Constituency | Welwyn Hatfield |
House Prices
Sales of detached houses in AL6 0TT
2025 2 SEP £950,000 |
45, MARDLEY HILL, WELWYN, AL6 0TT 2025 7 FEB £575,000 |
2022 24 NOV £1,350,000 |
2018 20 FEB £857,000 |
53, MARDLEY HILL, WELWYN, AL6 0TT 2014 12 JUN £565,000 |
33, MARDLEY HILL, WELWYN, AL6 0TT 2013 21 NOV £660,000 |
2013 7 NOV £695,000 |
2012 16 OCT £815,000 |
35, MARDLEY HILL, WELWYN, AL6 0TT 2011 10 JUN £402,000 |
2009 4 SEP £455,000 |
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 AL6 0TT
| The Drive (Mardley Hill) | Mardley Hill | 54m |
| The Drive (Mardley Hill) | Mardley Hill | 74m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 251m |
| Mardley Avenue (Mardley Hill) | Mardley Hill | 276m |
| Oak Road (Mardleybury Road) | Woolmer Green | 673m |
Nearest railway stations to AL6 0TT
| Knebworth Station | 2.2km |
| Welwyn North Station | 2.7km |
| Watton-at-Stone Station | 4.7km |
Broadband
Broadband access in AL6 0TT (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 | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in AL6 0TT (2019 data)
Download
| Median download speed | 55.0Mbps |
| Average download speed | 51.9Mbps |
| Maximum download speed | 79.12Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 11.0Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in AL6 0TT (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% |
AL6 0TT gas and electricity consumption
Estimated total energy consumption in AL6 0TT by fuel type, 2015.
Gas
| Consumption (kWh) | 414,771 |
|---|---|
| Meter count | 16 |
| Mean (kWh/meter) | 25,923 |
| Median (kWh/meter) | 24,159 |
Electricity
| Consumption (kWh) | 63,425 |
|---|---|
| Meter count | 12 |
| Mean (kWh/meter) | 5,285 |
| Median (kWh/meter) | 5,087 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in AL6 0TT, for 2015.
- Meter count: The total number of meters in AL6 0TT.
- 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
0.6% of English postcodes are less deprived than AL6 0TT:Food Standards Agency
Three nearest food hygiene ratings to AL6 0TT (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to AL6 0TT
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mardley Hill | 16:00 | 07:45 | 44m |
| Oaklands Rise | 16:00 | 08:00 | 578m |
| Woolmer Green | 17:00 | 09:30 | 658m |
AL6 0TT ITL and AL6 0TT 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 AL6 0TT:
| 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 |
AL6 0TT 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 AL6 0TT:
| Code | Name | |
|---|---|---|
| OA | E00121692 | |
| LSOA | E01023965 | Welwyn Hatfield 001A |
| MSOA | E02004980 | Welwyn Hatfield 001 |
Nearest postcodes to AL6 0TT
| AL6 0TN | Mardley Hill | 68m |
| AL6 0TX | Mardley Heights | 71m |
| AL6 0SX | Mardley Heights | 88m |
| AL6 0UR | Mardley Dell | 115m |
| AL6 0TU | Mardley Avenue | 125m |
| AL6 0UZ | Mardleywood | 126m |
| AL6 0UX | Mardleywood | 133m |
| AL6 0SZ | Scarff Close | 149m |
| AL6 0TZ | Mardley Avenue | 166m |
| AL6 0TW | The Drive | 177m |
- 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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