| Postcode | DL6 3EL | 
|---|---|
| Post Town | Northallerton | 
| Nearest station | Yarm (11 km) | 
| Bus stops | Blackhorse Lane (W) Blackhorse Lane (E) | 
| Roads in this postcode | |
| Number of UPRNs | 10 View | 
| Known addresses | Heathcote House, 8 Emerson Close, Swainby Prima Vista, Emmerson Close, Swainby 1 Emmerson Close, Swainby 5 Emmerson Close, Swainby 7 Emmerson Close, Swainby 8 Emerson Close, Swainby 8 Emmerson Close, Swainby | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 54.412358 | |
|---|---|---|
| Longitude | -1.26776 | |
| Easting | 447621 | |
| Northing | 502125 | |
| Grid reference | NZ476021 | |
| UTM reference | 30U 612416 6030784 | |
| what3words | revision.stroke.parsnip | |
| FixPhrase | crummy macaroni secrecy uncross | |
| Plus code | 9C6WCP6J+WV | |
| Altitude | 79 metres (259 feet) | |
| Sunrise (today) | 7:06 | |
| Sunset (today) | 16:33 | |
| Distance away | ||
| Distance to sea | 23.7 KMs (14.7 miles) | 
| Parish | Whorlton | E04007297 | |
|---|---|---|---|
| Ward | Hutton Rudby & Osmotherley | E05014285 | |
| Unitary Authority | North Yorkshire | E06000065 | |
| County | North Yorkshire | E10000023 | |
| Constituency (2024) | Richmond and Northallerton | E14001444 | |
| MP | Rishi Sunak | Conservative | |
| Police force | North Yorkshire | ||
| Water company | Northumbrian Water | ||
| National park | North York Moors National Park | E26000005 | |
| NUTS/ITL 3 | North Yorkshire | ||
| NUTS/ITL 2 | North Yorkshire | ||
| NUTS/ITL 1 | Yorkshire and The Humber | ||
| 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) | 21 | |
|---|---|---|
| Households (2011) | 9 | |
| 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) | Swainby | E63007474 | 
| Census output area (2021) | E00140683 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Hambleton 002E | E01027627 | 
| Lower layer super output area (2011) | Hambleton 002E | E01027627 | 
| Middle layer super output area (2021) | Rudby & Ingleby | E02005751 | 
| Middle layer super output area (2011) | Rudby & Ingleby | E02005751 | 
| Travel to work area | Middlesbrough and Stockton | E30000093 | 
| Average property price in Darlington | £167,728 | 
|---|---|
| Annual change | 2.7% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Heathcote House, 8 Emerson Close, Swainby | Detached (freehold) | Oct 2023 | £540,000 | 
| 1 Emmerson Close, Swainby | Other (freehold) | Jun 2021 | £175,000 | 
| 8 Emerson Close, Swainby | Detached (freehold) | Nov 2014 | £365,000 | 
| 7 Emmerson Close, Swainby | Detached (freehold) | May 2008 | £115,000 | 
| Detached (freehold) | Feb 1997 | £104,000 | |
| 8 Emmerson Close, Swainby | Detached (freehold) | Apr 2008 | £165,000 | 
| Prima Vista, Emmerson Close, Swainby | Semi-detached (freehold) | Jul 2002 | £79,000 | 
| 5 Emmerson Close, Swainby | Detached (freehold) | Oct 1998 | £98,000 | 
| Detached (freehold) | Apr 1996 | £85,000 |