| Postcode | SA3 5SX | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Swansea (7 km) | 
| Bus stops | 
                       School (E) 
Surgery (N) 
Surgery (S) 
Newton Road (W) 
Langland Corner (S) 
Langland Corner (N) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 8 View | 
| Known addresses | 
                       1 Trinity Close, Mumbles 
                            2 Trinity Close, Mumbles 
                            3 Trinity Close, Mumbles 
                            4 Trinity Close, Mumbles 
                            7 Trinity Close, Mumbles 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 51.576204 | |
|---|---|---|
| Longitude | -4.006169 | |
| Easting | 261078 | |
| Northing | 188279 | |
| Grid reference | SS610882 | |
| UTM reference | 30U 430276 5714383 | |
| what3words | digit.query.mimic | |
| FixPhrase | cringing lumpish stoneware tremble | |
| Plus code | 9C3QHXGV+FG | |
| Altitude | 43 metres (140 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 0.5 KMs (0.3 miles) | 
| Parish | Mumbles | W04000583 | 
|---|---|---|
| Ward | Mumbles | W05001056 | 
| Unitary Authority | Swansea | W06000011 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Gower | W07000097 | 
| MP | Tonia Antoniazzi | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Swansea | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| 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) | 16 | |
|---|---|---|
| Households (2011) | 7 | |
| 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) | Swansea | W45001113 | 
| Census output area (2021) | W00004425 | |
| Census output area (2011) | 5A1 | |
| Lower layer super output area (2021) | Swansea 031E | W01000827 | 
| Lower layer super output area (2011) | Swansea 031E | W01000827 | 
| Middle layer super output area (2021) | Mumbles & Newton | W02000198 | 
| Middle layer super output area (2011) | Mumbles & Newton | W02000198 | 
| Travel to work area | Swansea | W22000032 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 7 Trinity Close, Mumbles | Detached (freehold) | Aug 2025 | £470,000 | 
| Detached (freehold) | Jul 1999 | £128,500 | |
| 1 Trinity Close, Mumbles | Detached (freehold) | Jun 2022 | £491,000 | 
| 2 Trinity Close, Mumbles | Detached (freehold) | Feb 2011 | £285,000 | 
| 3 Trinity Close, Mumbles | Detached (freehold) | Sep 2009 | £341,000 | 
| Detached (freehold) | Mar 2004 | £280,000 | |
| 4 Trinity Close, Mumbles | Detached (freehold) | Sep 1999 | £130,000 |