| Postcode | SL9 0AS | 
|---|---|
| Post Town | Gerrards Cross | 
| Nearest station | Gerrards Cross (2 km) | 
| Bus stops | Ninnings Road (W) Copthall Lane (W) Copthall Lane (E) | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | Dovetails, Upway, Chalfont St Peter Pembroke Lodge, Upway, Chalfont St Peter Perigord, Upway, Chalfont St Peter Warren Lodge, Upway, Chalfont St Peter 15 Upway, Chalfont St Peter | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.607995 | |
|---|---|---|
| Longitude | -0.546349 | |
| Easting | 500760 | |
| Northing | 190907 | |
| Grid reference | TQ007909 | |
| UTM reference | 30U 669899 5720291 | |
| what3words | asset.went.gears | |
| FixPhrase | crinkle maggot scotch tackiness | |
| Plus code | 9C3XJF53+5F | |
| Altitude | 99 metres (324 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 68.3 KMs (42.5 miles) | 
| Parish | Chalfont St. Peter | E04001566 | 
|---|---|---|
| Ward | Chalfont St Peter | E05015944 | 
| Unitary Authority | Buckinghamshire | E06000060 | 
| County | Buckinghamshire | E10000002 | 
| Constituency (2024) | Chesham and Amersham | E14001162 | 
| MP | Sarah Green | Liberal Democrat | 
| Police force | Thames Valley | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Buckinghamshire | |
| NUTS/ITL 2 | Berkshire, Buckinghamshire and Oxfordshire | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 15 | |
|---|---|---|
| Households (2011) | 5 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Chalfont St Peter | E63011881 | 
| Census output area (2021) | E00089594 | |
| Census output area (2011) | 6A4 | |
| Lower layer super output area (2021) | Buckinghamshire 050A | E01017754 | 
| Lower layer super output area (2011) | Chiltern 011A | E01017754 | 
| Middle layer super output area (2021) | Chalfont Common & St Peter East | E02003686 | 
| Middle layer super output area (2011) | Chalfont Common & St Peter East | E02003686 | 
| Travel to work area | High Wycombe and Aylesbury | E30000218 | 
| Average property price in Slough | £515,972 | 
|---|---|
| Annual change | 0.1% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Perigord, Upway, Chalfont St Peter | Detached (freehold) | Nov 2020 | £1,900,000 | 
| Pembroke Lodge, Upway, Chalfont St Peter | Detached (freehold) | Mar 2017 | £1,460,000 | 
| 15 Upway, Chalfont St Peter | Detached (freehold) | Jul 2015 | £950,000 | 
| Warren Lodge, Upway, Chalfont St Peter | Detached (freehold) | Apr 2012 | £1,175,000 | 
| Dovetails, Upway, Chalfont St Peter | Detached (freehold) | Aug 1996 | £329,000 |