| Postcode | PO5 3BY | 
|---|---|
| Post Town | Southsea | 
| Nearest station | Portsmouth and Southsea (1 km) | 
| Bus stops | Kings Road Junction (E) Portsmouth High School for Girls (NW) Kings Road Junction (W) Kings Road Junction (SW) Green Road (E) Kings Road Junction (N) | 
| Roads in this postcode | |
| Number of UPRNs | 52 View | 
| Known addresses | 1 Great Southsea Street, Southsea 3 Great Southsea Street, Southsea 7 Great Southsea Street, Southsea 9 Great Southsea Street, Southsea 11 Great Southsea Street, Southsea 13 Great Southsea Street, Southsea 19 Great Southsea Street, Southsea 20 Great Southsea Street, Southsea 21 Great Southsea Street, Southsea 22 Great Southsea Street, Southsea 24 Great Southsea Street, Southsea 25 Great Southsea Street, Southsea 26 Great Southsea Street, Southsea 27 Great Southsea Street, Southsea 28 Great Southsea Street, Southsea 31 Great Southsea Street, Southsea 33 Great Southsea Street, Southsea 35 Great Southsea Street, Southsea 36 Great Southsea Street, Southsea 37 Great Southsea Street, Southsea 38 Great Southsea Street, Southsea 39 Great Southsea Street, Southsea 40 Great Southsea Street, Southsea 42 - 44 Great Southsea Street, Southsea 43 Great Southsea Street, Southsea 45 Great Southsea Street, Southsea 46 Great Southsea Street, Southsea 48 Great Southsea Street, Southsea 50 Great Southsea Street, Southsea 52 Great Southsea Street, Southsea 54A Great Southsea Street, Southsea 56 Great Southsea Street, Southsea 58 Great Southsea Street, Southsea | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 50.789893 | |
|---|---|---|
| Longitude | -1.092965 | |
| Easting | 464031 | |
| Northing | 99317 | |
| Grid reference | SZ640993 | |
| UTM reference | 30U 634414 5628194 | |
| what3words | party.stored.bulb | |
| FixPhrase | crewmate mace subside waking | |
| Plus code | 9C2WQWQ4+XR | |
| Altitude | 5 metres (17 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:42 | |
| Distance away | ||
| Distance to sea | 0.6 KMs (0.4 miles) | 
| Parish | Portsmouth, unparished area | E43000035 | 
|---|---|---|
| Ward | St Thomas | E05002454 | 
| Unitary Authority | Portsmouth | E06000044 | 
| County | Hampshire | E10000014 | 
| Constituency (2024) | Portsmouth South | E14001432 | 
| MP | Stephen Morgan | Labour | 
| Police force | Hampshire | |
| Water company | Portsmouth Water | |
| Sewage company | Southern Water | |
| NUTS/ITL 3 | Portsmouth | |
| NUTS/ITL 2 | Hampshire and Isle of Wight | |
| 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) | 96 | |
|---|---|---|
| Households (2011) | 38 | |
| 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) | Portsmouth | E63013748 | 
| Census output area (2021) | E00086547 | |
| Census output area (2011) | 2A3 | |
| Lower layer super output area (2021) | Portsmouth 022D | E01017135 | 
| Lower layer super output area (2011) | Portsmouth 022D | E01017135 | 
| Middle layer super output area (2021) | Southsea West | E02003545 | 
| Middle layer super output area (2011) | Southsea West | E02003545 | 
| Travel to work area | Portsmouth | E30000254 | 
| Average property price in Portsmouth | £299,930 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 25 Great Southsea Street, Southsea | Terraced (freehold) | Jul 2025 | £520,000 | 
| Terraced (freehold) | Aug 2015 | £327,000 | |
| Terraced (freehold) | Apr 2010 | £190,000 | |
| Terraced (freehold) | Jun 2001 | £170,000 | |
| Terraced (freehold) | Feb 1997 | £74,000 | |
| 13 Great Southsea Street, Southsea | Terraced (freehold) | Oct 2023 | £468,000 | 
| Terraced (freehold) | Jan 2016 | £325,000 | |
| 58 Great Southsea Street, Southsea | Terraced (freehold) | Aug 2023 | £480,000 | 
| Terraced (freehold) | Nov 2017 | £200,000 | |
| Terraced (freehold) | Mar 1995 | £77,000 | |
| 11 Great Southsea Street, Southsea | Terraced (freehold) | Jul 2023 | £491,900 | 
| Terraced (freehold) | Nov 2009 | £312,500 | |
| 52 Great Southsea Street, Southsea | Terraced (freehold) | Mar 2022 | £310,000 | 
| Terraced (freehold) | Oct 1999 | £87,000 | |
| Terraced (freehold) | Aug 1995 | £60,000 | |
| 43 Great Southsea Street, Southsea | Terraced (freehold) | Nov 2021 | £280,000 | 
| 1 Great Southsea Street, Southsea | Terraced (freehold) | Aug 2021 | £390,000 | 
| 28 Great Southsea Street, Southsea | Terraced (freehold) | Jul 2020 | £345,000 | 
| Terraced (freehold) | Dec 2003 | £205,000 | |
| 50 Great Southsea Street, Southsea | Terraced (freehold) | Dec 2019 | £253,000 | 
| 40 Great Southsea Street, Southsea | Terraced (freehold) | Oct 2019 | £535,000 | 
| Terraced (freehold) | Oct 2014 | £376,000 |