| Postcode | MK7 7DU | 
|---|---|
| Post Town | Milton Keynes | 
| Nearest station | Bow Brickhill (2 km) | 
| Bus stops | 
                       Dunchurch Dale (SW) 
Highgate Over (NW) 
Highgate Over (SE) 
Walton Roundabout East (SW) 
Birdlip Lane (N) 
Chase Avenue (SE) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 15 View | 
| Known addresses | 
                       1 Sandbrier Close, Walnut Tree 
                            2 Sandbrier Close, Walnut Tree 
                            4 Sandbrier Close, Walnut Tree 
                            5 Sandbrier Close, Walnut Tree 
                            6 Sandbrier Close, Walnut Tree 
                            7 Sandbrier Close, Walnut Tree 
                            8 Sandbrier Close, Walnut Tree 
                            9 Sandbrier Close, Walnut Tree 
                            11 Sandbrier Close, Walnut Tree 
                            12 Sandbrier Close, Walnut Tree 
                            13 Sandbrier Close, Walnut Tree 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 52.019875 | |
|---|---|---|
| Longitude | -0.697061 | |
| Easting | 489505 | |
| Northing | 236518 | |
| Grid reference | SP895365 | |
| UTM reference | 30U 658017 5765752 | |
| what3words | dated.hang.void | |
| FixPhrase | crisply magenta severity visibly | |
| Plus code | 9C4X2893+X5 | |
| Altitude | 85 metres (277 feet) | |
| Sunrise (today) | 7:04 | |
| Sunset (today) | 16:30 | |
| Distance away | ||
| Distance to sea | 97.7 KMs (60.7 miles) | 
| Parish | Walton | E04001275 | 
|---|---|---|
| Ward | Monkston | E05009415 | 
| Unitary Authority | Milton Keynes | E06000042 | 
| County | Buckinghamshire | E10000002 | 
| Constituency (2024) | Milton Keynes Central | E14001369 | 
| MP | Emily Darlington | Labour | 
| Police force | Thames Valley | |
| Water company | Anglian Water | |
| NUTS/ITL 3 | Milton Keynes | |
| NUTS/ITL 2 | Berkshire, Buckinghamshire and Oxfordshire | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | February 1990 | 
|---|---|
| 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) | 35 | |
|---|---|---|
| Households (2011) | 13 | |
| 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) | Milton Keynes | E63010901 | 
| Census output area (2021) | E00084861 | |
| Census output area (2011) | 6A1 | |
| Lower layer super output area (2021) | Milton Keynes 035D | E01016820 | 
| Lower layer super output area (2011) | Milton Keynes 017C | E01016820 | 
| Middle layer super output area (2021) | Kents Hill | E02007014 | 
| Middle layer super output area (2011) | Broughton, Middleton & Kents Hill | E02003475 | 
| Travel to work area | Milton Keynes | E30000243 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 4 Sandbrier Close, Walnut Tree | Detached (freehold) | Jan 2022 | £839,000 | 
| Detached (freehold) | May 2013 | £500,000 | |
| 9 Sandbrier Close, Walnut Tree | Detached (freehold) | Jan 2017 | £480,000 | 
| Detached (freehold) | Aug 1999 | £168,000 | |
| 2 Sandbrier Close, Walnut Tree | Detached (freehold) | Jan 2017 | £560,000 | 
| Detached (freehold) | Apr 2006 | £350,000 | |
| Detached (freehold) | May 1996 | £117,000 | |
| Detached (freehold) | Sep 1995 | £93,000 | |
| 12 Sandbrier Close, Walnut Tree | Detached (freehold) | Feb 2010 | £335,000 | 
| 11 Sandbrier Close, Walnut Tree | Detached (freehold) | Oct 2009 | £353,000 | 
| 8 Sandbrier Close, Walnut Tree | Detached (freehold) | Nov 2008 | £320,000 | 
| 6 Sandbrier Close, Walnut Tree | Detached (freehold) | Feb 2006 | £352,000 | 
| Detached (freehold) | Oct 2001 | £250,000 | |
| 5 Sandbrier Close, Walnut Tree | Detached (freehold) | Aug 2005 | £345,000 | 
| Detached (freehold) | Oct 1997 | £153,000 | |
| 13 Sandbrier Close, Walnut Tree | Detached (freehold) | Jul 2000 | £195,000 | 
| Detached (freehold) | Oct 1997 | £157,000 | |
| 1 Sandbrier Close, Walnut Tree | Detached (freehold) | Aug 1996 | £135,000 |