AL7 4DT maps, stats, and open data
AL7 4DT is located in the Howlands 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 September 2017.
AL7 4DT maps
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026
Source: Open Postcode Geo
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026; Contains Royal Mail data © Royal Mail copyright and database right 2026; Source: Office for National Statistics licensed under the Open Government Licence v.3.0
AL7 4DT geodata
| Easting | 525091 |
| Northing | 210831 |
| Latitude | 51.782175 |
| Longitude | -0.188007 |
Where is AL7 4DT?
| Country | England |
| Postcode District | AL7 |
Politics
| Ward | Howlands |
|---|---|
| Constituency | Welwyn Hatfield |
House Prices
Sales of detached houses in AL7 4DT
2023 17 NOV £515,000 |
2022 20 MAY £775,000 |
2018 5 DEC £614,995 |
32, PRINCES AVENUE, WELWYN GARDEN CITY, AL7 4DT 2018 6 FEB £599,995 |
34, PRINCES AVENUE, WELWYN GARDEN CITY, AL7 4DT 2018 15 JAN £549,995 |
36, PRINCES AVENUE, WELWYN GARDEN CITY, AL7 4DT 2017 7 DEC £629,995 |
40, PRINCES AVENUE, WELWYN GARDEN CITY, AL7 4DT 2017 5 DEC £614,995 |
42, PRINCES AVENUE, WELWYN GARDEN CITY, AL7 4DT 2017 1 DEC £629,995 |
2017 29 SEP £409,995 |
➜ Welwyn Garden City house prices
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 AL7 4DT
| New Qeii Hospital (Howlands) | Welwyn Garden City | 210m |
| Ryelands (Howlands) | Welwyn Garden City | 271m |
| New Qeii Hospital (Howlands) | Welwyn Garden City | 284m |
| Ryelands (Howlands) | Welwyn Garden City | 292m |
| Howlands House (Howlands) | Welwyn Garden City | 425m |
Nearest railway stations to AL7 4DT
| Welwyn Garden City Station | 2.4km |
| Hatfield (Herts) Station | 2.8km |
| Welwyn North Station | 4.6km |
Broadband
Broadband access in AL7 4DT (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 | 96.9% |
| Percentage of properties with Full Fibre Broadband | 96.9% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in AL7 4DT (2019 data)
Download
Ofcom does not currently provide download speed data for AL7 4DT. This is because there are less than four broadband connections in this postcode.
Upload
Ofcom does not currently provide upload speed data for AL7 4DT. This is because there are less than four broadband connections in this postcode.
Broadband limitations in AL7 4DT (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% |
Deprivation
18.1% of English postcodes are less deprived than AL7 4DT:Food Standards Agency
Three nearest food hygiene ratings to AL7 4DT (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to AL7 4DT
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Howlands | 17:30 | 12:00 | 233m |
| Beehive Lane | 17:30 | 12:00 | 474m |
| Hollyrush | 17:30 | 12:00 | 607m |
AL7 4DT ITL and AL7 4DT 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 AL7 4DT:
| 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 |
AL7 4DT 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 AL7 4DT:
| Code | Name | |
|---|---|---|
| OA | E00173215 | |
| LSOA | E01023946 | Welwyn Hatfield 008D |
| MSOA | E02004987 | Welwyn Hatfield 008 |
Nearest postcodes to AL7 4DT
| AL7 4HQ | Howlands | 139m |
| AL7 4HD | Howlands | 230m |
| AL7 4HE | Howlands | 234m |
| AL7 4HN | Howlands | 242m |
| AL7 4JB | Wyndhams End | 246m |
| AL7 4HL | Ascots Lane | 259m |
| AL7 4HZ | Kingsley Court | 270m |
| AL7 4LE | Little Wade | 270m |
| AL7 4RJ | Howicks Green | 279m |
| AL7 4LD | Mount Way | 281m |
- 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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