HP9 1XL lies on Forty Green Road in Knotty Green, Beaconsfield. HP9 1XL is located in the Penn Wood and Old Amersham electoral ward, within the unitary authority of Buckinghamshire and the English Parliamentary constituency of Chesham and Amersham. The Sub Integrated Care Board (ICB) Location is NHS Buckinghamshire, Oxfordshire and Berkshire West ICB - 14Y and the police force is Thames Valley. This postcode has been in use since January 1980.


| Easting | 492971 |
| Northing | 192081 |
| Latitude | 51.619883 |
| Longitude | -0.658488 |
| Street | Forty Green Road |
| Locality | Knotty Green |
| Town/City | Beaconsfield |
| Country | England |
| Postcode District | HP9 |
Elevation or altitude of HP9 1XL 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 | Penn Wood And Old Amersham |
|---|---|
| Constituency | Chesham And Amersham |
THROSHERS FIELD, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2024 6 DEC £1,080,000 |
COBWEB COTTAGE, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2024 17 JUL £1,575,000 |
2024 8 MAY £1,725,000 |
2020 1 MAY £2,700,000 |
THE CROFT, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2019 5 SEP £940,000 |
2019 16 AUG £1,550,000 |
2019 23 JUL £1,500,000 |
EGHAMS FARM, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2018 26 NOV £1,175,000 |
MAGNOLIAS, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2017 30 MAR £2,400,000 |
ROSEMOUNT, FORTY GREEN ROAD, KNOTTY GREEN, BEACONSFIELD, HP9 1XL 2016 30 MAR £2,350,000 |
| Village Centre (Forty Green Road) | Forty Green | 364m |
| The Red Lion Ph (Penn Road) | Knotty Green | 369m |
| The Red Lion Ph (Penn Road) | Knotty Green | 400m |
| Village Centre (Forty Green Road) | Forty Green | 429m |
| Seeleys Road (Penn Road) | Beaconsfield | 949m |
| Beaconsfield Station | 1.4km |
| Seer Green Station | 3.7km |
| Bourne End Station | 6km |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 91.4% |
| 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 | 28.6Mbps |
| Average download speed | 30.7Mbps |
| Maximum download speed | 78.12Mbps |
| Median upload speed | 5.1Mbps |
| Average upload speed | 5.7Mbps |
| 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 | 8.6% |
Estimated total energy consumption in HP9 1XL by fuel type, 2015.
| Consumption (kWh) | 1,130,331 |
|---|---|
| Meter count | 35 |
| Mean (kWh/meter) | 32,295 |
| Median (kWh/meter) | 33,012 |
| Consumption (kWh) | 225,821 |
|---|---|
| Meter count | 35 |
| Mean (kWh/meter) | 6,452 |
| Median (kWh/meter) | 5,117 |


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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Knotty Green | 17:00 | 09:30 | 387m |
| Forty Green | 17:00 | 09:30 | 747m |
| The Broadway | 18:00 | 12:00 | 1,016m |
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 HP9 1XL:
| ITL 1 Code | Name |
|---|---|
| TLJ | South East (England) |
| ITL 2 Code | Name |
| TLJ1 | Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 Code | Name |
| TLJ13 | Buckinghamshire |
| LAU 1 Code | Name |
| E06000060 | Buckinghamshire |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for HP9 1XL:
| Code | Name | |
|---|---|---|
| OA | E00089730 | |
| LSOA | E01017782 | Chiltern 013C |
| MSOA | E02006823 | Chiltern 013 |
| HP9 1XU | Red House Close | 157m |
| HP9 1XY | Pitch Pond Close | 162m |
| HP9 1XZ | Dower Close | 162m |
| HP9 1XN | Eghams Close | 215m |
| HP9 1XX | Wyngrave Place | 241m |
| HP9 1XW | Cherry Drive | 244m |
| HP9 1JX | Eghams Wood Road | 275m |
| HP9 1TB | Seeleys Road | 275m |
| HP9 1YL | Priests Paddock | 281m |
| HP9 1XP | Cherry Drive | 288m |