| Postcode | HP10 9TJ | 
|---|---|
| Post Town | High Wycombe | 
| Nearest station | Bourne End (4 km) | 
| Bus stops | Loudwater Turn (NW) The Papermill (NW) Station Road (SW) Station Road (NE) St Peter's Close (SE) St Peter's Close (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | Crown House, London Road, Loudwater The Mill House, London Road, Loudwater 2 Grosvenor Court, London Road, Loudwater | 
| Main property type | Flat | 
| Businesses | 
| Latitude | 51.608766 | |
|---|---|---|
| Longitude | -0.698582 | |
| Easting | 490217 | |
| Northing | 190794 | |
| Grid reference | SU902907 | |
| UTM reference | 30U 659357 5720034 | |
| what3words | loyal.resort.animal | |
| FixPhrase | crinkle magenta scoreless usable | |
| Plus code | 9C3XJ852+GH | |
| Altitude | 55 metres (181 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:39 | |
| Distance away | ||
| Distance to sea | 78.6 KMs (48.8 miles) | 
| Parish | Chepping Wycombe | E04001594 | 
|---|---|---|
| Ward | Penn, Tylers Green & Loudwater | E05015963 | 
| Unitary Authority | Buckinghamshire | E06000060 | 
| County | Buckinghamshire | E10000002 | 
| Constituency (2024) | Wycombe | E14001600 | 
| MP | Emma Reynolds | Labour | 
| 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) | 4 | |
|---|---|---|
| Households (2011) | 2 | |
| 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) | Flackwell Heath and Wooburn Green | E63011907 | 
| Census output area (2021) | E00090486 | |
| Census output area (2011) | 5A2 | |
| Lower layer super output area (2021) | Buckinghamshire 056D | E01017939 | 
| Lower layer super output area (2011) | Wycombe 019D | E01017939 | 
| Middle layer super output area (2021) | Loudwater & Wooburn Green | E02003714 | 
| Middle layer super output area (2011) | Loudwater & Wooburn Green | E02003714 | 
| Travel to work area | High Wycombe and Aylesbury | E30000218 | 
| Average property price in Hemel Hempstead | £445,841 | 
|---|---|
| Annual change | -1.0% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Crown House, London Road, Loudwater | Other (freehold) | Oct 2024 | £305,000 | 
| The Mill House, London Road, Loudwater | Other (freehold) | Oct 2023 | £297,000 | 
| 2 Grosvenor Court, London Road, Loudwater | New build flat (leasehold) | Jun 2004 | £240,000 | 
| Detached (freehold) | Sep 2000 | £650,000 |