| Postcode | HP27 9QU | 
|---|---|
| Post Town | Princes Risborough | 
| Nearest station | Monks Risborough (3 km) | 
| Bus stops | 
                       Ilmer Turn (NW) 
Ilmer Turn (N) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 26 View | 
| Known addresses | 
                       Green Lane Farm, Thame Road, Longwick 
                            Little Acre Farm, Thame Road, Longwick 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.748884 | |
|---|---|---|
| Longitude | -0.874371 | |
| Easting | 477805 | |
| Northing | 206176 | |
| Grid reference | SP778061 | |
| UTM reference | 30U 646732 5735246 | |
| what3words | comedy.comedians.outdoor | |
| FixPhrase | crinkly machinist smuggler voucher | |
| Plus code | 9C3XP4XG+H7 | |
| Altitude | 80 metres (262 feet) | |
| Sunrise (today) | 7:04 | |
| Sunset (today) | 16:32 | |
| Distance away | ||
| Distance to sea | 94.6 KMs (58.8 miles) | 
| Parish | Longwick-cum-Ilmer | E04001609 | 
|---|---|---|
| Ward | Princes Risborough | E05015964 | 
| 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 | August 1992 | 
|---|---|
| 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) | 20 | |
|---|---|---|
| Households (2011) | 7 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Larger rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural village | |
| Census output area (2021) | E00090236 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Buckinghamshire 025A | E01017885 | 
| Lower layer super output area (2011) | Wycombe 002A | E01017885 | 
| Middle layer super output area (2021) | Longwick, Kimble & Lacey Green | E02003697 | 
| Middle layer super output area (2011) | Longwick, Kimble & Lacey Green | E02003697 | 
| Travel to work area | High Wycombe and Aylesbury | E30000218 | 
| Average property price in Hemel Hempstead | £448,607 | 
|---|---|
| Annual change | -0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Little Acre Farm, Thame Road, Longwick | Detached (freehold) | Dec 2021 | £1,275,000 | 
| Green Lane Farm, Thame Road, Longwick | Detached (freehold) | Jun 2006 | £690,000 | 
| Detached (freehold) | Jun 2000 | £430,000 | |
| Detached (freehold) | Oct 1999 | £365,000 |