| Postcode | SP4 0LB | 
|---|---|
| Post Town | Salisbury | 
| Nearest station | Salisbury (8 km) | 
| Bus stops | The Limes (SW) Chapmans Corner (SW) Chapmans Corner (NE) Chapmans Corner (SE) Chapmans Corner (NW) C of E Primary School (N) | 
| Roads in this postcode | |
| Number of UPRNs | 16 View | 
| Known addresses | Amberley, Idmiston Road, Porton Ashmeade, Idmiston Road, Porton Downe Holme, Idmiston Road, Porton Morningside, Idmiston Road, Porton Orchard House, Idmiston Road, Porton 2 Idmiston Road, Porton 4 Idmiston Road, Porton | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.128115 | |
|---|---|---|
| Longitude | -1.728054 | |
| Easting | 419127 | |
| Northing | 136572 | |
| Grid reference | SU191365 | |
| UTM reference | 30U 589004 5664841 | |
| what3words | burst.megawatt.pizzas | |
| FixPhrase | crier lyrically shriek thinly | |
| Plus code | 9C3W47HC+6Q | |
| Altitude | 77 metres (252 feet) | |
| Sunrise (today) | 6:58 | |
| Sunset (today) | 16:44 | |
| Distance away | ||
| Distance to sea | 29.1 KMs (18.1 miles) | 
| Parish | Idmiston | E04011741 | 
|---|---|---|
| Ward | Winterslow & Upper Bourne Valley | E05013494 | 
| Unitary Authority | Wiltshire | E06000054 | 
| County | Wiltshire | E11000020 | 
| Constituency (2024) | Salisbury | E14001460 | 
| MP | John Glen | Conservative | 
| Police force | Wiltshire | |
| Water company | Wessex Water | |
| NUTS/ITL 3 | Wiltshire | |
| NUTS/ITL 2 | Gloucestershire and Wiltshire | |
| NUTS/ITL 1 | South West | |
| 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: Further from a major town or city | |
| Rural/urban (2011) | Rural village | |
| Built up area (2024) | Porton | E63013036 | 
| Census output area (2021) | E00163389 | |
| Census output area (2011) | 1B1 | |
| Lower layer super output area (2021) | Wiltshire 049B | E01032032 | 
| Lower layer super output area (2011) | Wiltshire 049B | E01032032 | 
| Middle layer super output area (2021) | Great Wishford, Woodford Valley & Porton | E02006664 | 
| Middle layer super output area (2011) | Great Wishford, Woodford Valley & Porton | E02006664 | 
| Travel to work area | Salisbury | E30000258 | 
| Average property price in Salisbury | £324,684 | 
|---|---|
| Annual change | -1.2% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Amberley, Idmiston Road, Porton | Detached (freehold) | Oct 2015 | £356,000 | 
| Detached (freehold) | Jul 2001 | £149,500 | |
| Downe Holme, Idmiston Road, Porton | Detached (freehold) | May 2015 | £700,000 | 
| Detached (freehold) | Apr 2008 | £695,000 | |
| Detached (freehold) | Apr 2005 | £580,000 | |
| Morningside, Idmiston Road, Porton | Detached (freehold) | Nov 2014 | £275,000 | 
| Detached (freehold) | Aug 1996 | £89,950 | |
| Ashmeade, Idmiston Road, Porton | Detached (freehold) | Apr 2014 | £295,000 | 
| Orchard House, Idmiston Road, Porton | Detached (freehold) | Oct 2005 | £380,000 | 
| Detached (freehold) | May 2003 | £345,000 | |
| Detached (freehold) | Feb 2001 | £203,000 | |
| 4 Idmiston Road, Porton | Semi-detached (freehold) | Dec 1997 | £75,000 | 
| 2 Idmiston Road, Porton | Semi-detached (freehold) | Oct 1997 | £69,000 |