| Postcode | CM15 8PN | 
|---|---|
| Post Town | Brentwood | 
| Nearest station | Shenfield (0 km) | 
| Bus stops | Shenfield Railway Station (SW) Crossways (S) Holmwood Avenue (S) Crossways (N) Holmwood Avenue (N) High School (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 36 View | 
| Known addresses | 1 Sebastian Avenue, Shenfield 1B Sebastian Avenue, Shenfield 2 Sebastian Avenue, Shenfield 3 Sebastian Avenue, Shenfield 4 Sebastian Avenue, Shenfield 5 Sebastian Avenue, Shenfield 9 Sebastian Avenue, Shenfield 10 Sebastian Avenue, Shenfield 14 Sebastian Avenue, Shenfield 15 Sebastian Avenue, Shenfield 16 Sebastian Avenue, Shenfield 19 Sebastian Avenue, Shenfield 20 Sebastian Avenue, Shenfield 21 Sebastian Avenue, Shenfield 22 Sebastian Avenue, Shenfield 23 Sebastian Avenue, Shenfield 24 Sebastian Avenue, Shenfield 28 Sebastian Avenue, Shenfield 29 Sebastian Avenue, Shenfield 31 Sebastian Avenue, Shenfield 34 Sebastian Avenue, Shenfield | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.632615 | |
|---|---|---|
| Longitude | 0.328465 | |
| Easting | 561247 | |
| Northing | 195212 | |
| Grid reference | TQ612952 | |
| UTM reference | 31U 315115 5723558 | |
| what3words | clash.saving.aims | |
| FixPhrase | crinkle magnify silo unsolved | |
| Plus code | 9F32J8MH+29 | |
| Altitude | 76 metres (250 feet) | |
| Sunrise (today) | 6:51 | |
| Sunset (today) | 16:35 | |
| Distance away | ||
| Distance to sea | 16.6 KMs (10.3 miles) | 
| Parish | Brentwood, unparished area | E43000060 | 
|---|---|---|
| Ward | Shenfield | E05015662 | 
| Local Authority District | Brentwood | E07000068 | 
| County Electoral Division | Brentwood North | E58000411 | 
| Local Authority | Essex | E10000012 | 
| County | Essex | E10000012 | 
| Constituency (2024) | Brentwood and Ongar | E14001125 | 
| MP | Alex Burghart | Conservative | 
| Police force | Essex | |
| Water company | Essex & Suffolk Water | |
| Sewage company | Anglian Water | |
| NUTS/ITL 3 | Heart of Essex | |
| NUTS/ITL 2 | Essex | |
| NUTS/ITL 1 | East of England | |
| 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) | 94 | |
|---|---|---|
| Households (2011) | 36 | |
| 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) | Brentwood | E63011830 | 
| Census output area (2021) | E00109062 | |
| Census output area (2011) | 6A4 | |
| Lower layer super output area (2021) | Brentwood 005D | E01021465 | 
| Lower layer super output area (2011) | Brentwood 005D | E01021465 | 
| Middle layer super output area (2021) | Shenfield & Hutton Mount | E02004468 | 
| Middle layer super output area (2011) | Shenfield & Hutton Mount | E02004468 | 
| Travel to work area | Chelmsford | E30000188 | 
| Average property price in Chelmsford | £410,515 | 
|---|---|
| Annual change | 1.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 10 Sebastian Avenue, Shenfield | Detached (freehold) | Feb 2025 | £925,000 | 
| 28 Sebastian Avenue, Shenfield | Semi-detached (freehold) | Sep 2024 | £840,000 | 
| Semi-detached (freehold) | Nov 1996 | £137,000 | |
| 2 Sebastian Avenue, Shenfield | Detached (freehold) | Sep 2024 | £1,100,000 | 
| 1 Sebastian Avenue, Shenfield | Detached (freehold) | Dec 2023 | £620,000 | 
| Detached (freehold) | Sep 2002 | £279,995 | |
| 4 Sebastian Avenue, Shenfield | Detached (freehold) | Nov 2022 | £960,000 | 
| 34 Sebastian Avenue, Shenfield | Semi-detached (freehold) | May 2022 | £825,000 | 
| 19 Sebastian Avenue, Shenfield | Detached (freehold) | Feb 2022 | £1,550,000 | 
| Detached (freehold) | Mar 2014 | £559,995 | |
| 23 Sebastian Avenue, Shenfield | Detached (freehold) | Sep 2021 | £890,000 | 
| 21 Sebastian Avenue, Shenfield | Detached (freehold) | Jul 2021 | £1,075,000 | 
| Detached (freehold) | Dec 2012 | £528,000 | |
| 9 Sebastian Avenue, Shenfield | Detached (freehold) | Jan 2021 | £917,000 |