AL9 7AH lies on Calder Avenue in Brookmans Park, Hatfield. AL9 7AH is located in the Brookmans Park and Little Heath 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 | 525597 |
| Northing | 204098 |
| Latitude | 51.721553 |
| Longitude | -0.183107 |
| Street | Calder Avenue |
| Locality | Brookmans Park |
| Town/City | Hatfield |
| Country | England |
| Postcode District | AL9 |
Elevation or altitude of AL9 7AH 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 | Brookmans Park And Little Heath |
|---|---|
| Constituency | Welwyn Hatfield |
2021 14 APR £1,100,000 |
2019 19 DEC £1,015,000 |
2019 25 OCT £925,000 |
2019 18 OCT £950,000 |
2019 13 MAY £1,500,000 |
9, CALDER AVENUE, BROOKMANS PARK, HATFIELD, AL9 7AH 2017 25 OCT £1,070,000 |
2016 9 MAY £750,000 |
2014 6 JUN £850,000 |
2013 10 DEC £1,095,000 |
2013 28 NOV £867,500 |
| Moffats Lane | Brookmans Park | 291m |
| Kentish Lane (Great North Road) | Brookmans Park | 404m |
| Kentish Lane (Great North Road) | Brookmans Park | 413m |
| Mymms Drive (Great North Road) | Brookmans Park | 437m |
| Moffats Lane | Brookmans Park | 498m |
| Brookmans Park Station | 1.5km |
| Welham Green Station | 2.5km |
| Potters Bar Station | 2.8km |
| 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 | 40.5Mbps |
| Average download speed | 44.9Mbps |
| Maximum download speed | 80.00Mbps |
| Median upload speed | 10.5Mbps |
| Average upload speed | 11.6Mbps |
| 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 AL9 7AH by fuel type, 2015.
| Consumption (kWh) | 776,744 |
|---|---|
| Meter count | 27 |
| Mean (kWh/meter) | 28,768 |
| Median (kWh/meter) | 30,978 |
| Consumption (kWh) | 204,137 |
|---|---|
| Meter count | 29 |
| Mean (kWh/meter) | 7,039 |
| Median (kWh/meter) | 6,576 |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Mymms Drive | 17:00 | 12:00 | 472m |
| Hawkshead Road | 17:30 | 12:00 | 1,116m |
| Brookmans Park P O | 18:00 | 11:45 | 1,335m |
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 7AH:
| 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 7AH:
| Code | Name | |
|---|---|---|
| OA | E00121406 | |
| LSOA | E01023910 | Welwyn Hatfield 015C |
| MSOA | E02004994 | Welwyn Hatfield 015 |
| AL9 7AQ | Calder Avenue | 87m |
| AL9 7BX | Georges Wood Road | 103m |
| AL9 7AG | Calder Avenue | 143m |
| AL9 7AE | Mymms Drive | 155m |
| AL9 7BT | Georges Wood Road | 183m |
| AL9 7AJ | Calder Avenue | 208m |
| AL9 7BU | Georges Wood Road | 224m |
| AL9 7AF | Mymms Drive | 242m |
| AL9 7AA | Mymms Drive | 246m |
| AL9 7AD | Mymms Drive | 256m |