SL9 9DX maps, stats, and open data
SL9 9DX is located in the Chalfont St Peter 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.
SL9 9DX maps


Source: OS Open Zoomstack (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026
Source: Open Postcode GeoLicence: 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
SL9 9DX geodata
| Easting | 499989 |
| Northing | 190817 |
| Latitude | 51.607320 |
| Longitude | -0.557511 |
Where is SL9 9DX?
| Country | England |
| Postcode District | SL9 |
SL9 9DX Elevation
Elevation or altitude of SL9 9DX as distance above sea level:
| Metres | Feet |
|---|
| Elevation | 60m | 197ft |
|---|
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 | Chalfont St Peter |
|---|
| Constituency | Chesham And Amersham |
|---|
Transport
Nearest bus stops to SL9 9DX
| Market Place | Chalfont St Peter | 22m |
| Market Place | Chalfont St Peter | 57m |
| The White Hart Ph (High Street) | Chalfont St Peter | 71m |
| The White Hart Ph (High Street) | Chalfont St Peter | 83m |
| Lansdown Road (Nicol Road) | Chalfont St Peter | 278m |
Nearest railway stations to SL9 9DX
| Gerrards Cross Station | 2km |
| Seer Green Station | 3.5km |
| Denham Golf Club Station | 4.1km |
Broadband
Broadband speed in SL9 9DX (2019 data)
Download
| Median download speed | 74.0Mbps |
| Average download speed | 48.1Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 20.0Mbps |
| Average upload speed | 12.3Mbps |
| Maximum upload speed | 20.00Mbps |
Deprivation
1.4% of English postcodes are less deprived than
SL9 9DX:
Food Standards Agency
Three nearest food hygiene ratings to SL9 9DX (metres)
Richard Adams
Crumbs
Delhi Spice
3 - 4 Buckingham Parade
44m
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL9 9DX
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Chiltern Hill | 17:30 | 12:00 | 361m |
| Hill Rise | 17:30 | 12:00 | 453m |
| Gravel Hill | 17:30 | 12:15 | 536m |
SL9 9DX ITL and SL9 9DX 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 SL9 9DX:
| 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 |
SL9 9DX 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 SL9 9DX:
| Code | Name |
|---|
| OA | E00089588 | |
|---|
| LSOA | E01017755 | Chiltern 011B |
|---|
| MSOA | E02003686 | Chiltern 011 |
|---|
Nearest postcodes to SL9 9DX