| Postcode | HP18 0TJ | 
|---|---|
| Post Town | Aylesbury | 
| Nearest station | Bicester Village (10 km) | 
| Bus stops | Grendon Road (SW) Village Hall (SW) Village Hall (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 1 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.892204 | |
|---|---|---|
| Longitude | -1.009924 | |
| Easting | 468230 | |
| Northing | 221980 | |
| Grid reference | SP682219 | |
| UTM reference | 30U 636941 5750920 | |
| what3words | venue.socialite.bounty | |
| FixPhrase | crisped mace sulfite trade | |
| Plus code | 9C3WVXRR+V2 | |
| Altitude | 92 metres (302 feet) | |
| Sunrise (today) | 6:57 | |
| Sunset (today) | 16:39 | |
| Distance away | ||
| Distance to sea | 109.3 KMs (67.9 miles) | 
| Parish | Grendon Underwood | E04001489 | 
|---|---|---|
| Ward | Grendon Underwood & The Claydons | E05015953 | 
| Unitary Authority | Buckinghamshire | E06000060 | 
| County | Buckinghamshire | E10000002 | 
| Constituency (2024) | Mid Buckinghamshire | E14001360 | 
| MP | Greg Smith | Conservative | 
| Police force | Thames Valley | |
| Water 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) | 7 | |
|---|---|---|
| Households (2011) | 2 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Smaller rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Edgcott | E63011281 | 
| Census output area (2021) | E00169125 | |
| Census output area (2011) | 1C1 | |
| Lower layer super output area (2021) | Buckinghamshire 010D | E01017674 | 
| Lower layer super output area (2011) | Aylesbury Vale 010D | E01017674 | 
| Middle layer super output area (2021) | Oakley, Brill & Edgcott | E02003661 | 
| Middle layer super output area (2011) | Oakley, Brill & Edgcott | E02003661 | 
| Travel to work area | Oxford | E30000250 | 
| Average property price in Hemel Hempstead | £445,841 | 
|---|---|
| Annual change | -1.0% |