AL9 5DU is located in the Hatfield 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 | 523579 |
| Northing | 209745 |
| Latitude | 51.772751 |
| Longitude | -0.210301 |
| Country | England |
| Postcode District | AL9 |
Elevation or altitude of AL9 5DU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 70m | 230ft |
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 | Hatfield East |
|---|---|
| Constituency | Welwyn Hatfield |
28, PLEASANT RISE, HATFIELD, AL9 5DU 2026 25 JUN £925,000 |
2023 26 MAY £840,000 |
2020 20 MAR £600,000 |
| Pleasant Rise | Hatfield | 30m |
| Lowlands (Mount Pleasant Lane) | Hatfield | 141m |
| Pleasant Rise | Hatfield | 197m |
| Lowlands (Mount Pleasant Lane) | Hatfield | 223m |
| Lodge Drive (Hertford Road) | Hatfield | 240m |
| Hatfield (Herts) Station | 1.1km |
| Welwyn Garden City Station | 3.2km |
| Welham Green Station | 4km |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 70.0Mbps |
| Average download speed | 82.2Mbps |
| Maximum download speed | 200.00Mbps |
| Median upload speed | 3.8Mbps |
| Average upload speed | 3.8Mbps |
| Maximum upload speed | 6.65Mbps |
| 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 |
| The Holdings | 17:00 | 12:00 | 289m |
| The Ryde | 17:00 | 12:00 | 309m |
| Mill Green | 16:15 | 08:00 | 470m |
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 AL9 5DU:
| 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 AL9 5DU:
| Code | Name | |
|---|---|---|
| OA | E00121494 | |
| LSOA | E01023926 | Welwyn Hatfield 011C |
| MSOA | E02004990 | Welwyn Hatfield 011 |
| AL9 5HN | Lodge Drive | 66m |
| AL9 5DX | Sunnyfield | 71m |
| AL9 5BX | Mount Pleasant Lane | 116m |
| AL9 5DY | Lowlands | 120m |
| AL9 5HL | Lodge Drive | 123m |
| AL9 5HW | Greenfield | 127m |
| AL9 5HJ | Lodge Drive | 147m |
| AL9 5BZ | Mount Pleasant Close | 194m |
| AL9 5DR | Pleasant Rise | 199m |
| AL9 5DP | The Ryde | 203m |