| Postcode | SA3 4BJ |
|---|---|
| Post Town | Swansea |
| Nearest station | Swansea (7 km) |
| Bus stops |
Underhill Park (S)
Newton Road (W)
Newton Road (E)
Oystermouth Square (N)
Castle Acre (W)
Castle Acre (E)
|
| Roads in this postcode | |
| Number of UPRNs | 12 View |
| Known addresses |
1 Castle Square, Mumbles
2 Castle Square, Mumbles
3 Castle Square, Mumbles
4 Castle Square, Mumbles
5 Castle Square, Mumbles
7 Castle Square, Mumbles
8 Castle Square, Mumbles
11 Castle Square, Mumbles
|
| Main property type | Terraced |
| Businesses |
No businesses found
|
| Latitude | 51.575629 | |
|---|---|---|
| Longitude | -4.00346 | |
| Easting | 261264 | |
| Northing | 188209 | |
| Grid reference | SS612882 | |
| UTM reference | 30U 430463 5714317 | |
| what3words | poem.digress.rolled | |
| FixPhrase | cringing lumpish stipend unseen | |
| Plus code | 9C3QHXGW+7J | |
| Altitude | 28 metres (92 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 0.4 KMs (0.2 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 | 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) | 16 | |
|---|---|---|
| Households (2011) | 10 | |
| 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) | W00004428 | |
| Census output area (2011) | 5A3 | |
| 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 |
|---|---|---|---|
| 11 Castle Square, Mumbles | Terraced (freehold) | Aug 2025 | £257,500 |
| Terraced (freehold) | Mar 2024 | £220,000 | |
| 3 Castle Square, Mumbles | Terraced (freehold) | Oct 2022 | £290,000 |
| Terraced (freehold) | Mar 1996 | £55,000 | |
| 4 Castle Square, Mumbles | Terraced (freehold) | Aug 2021 | £275,000 |
| Terraced (freehold) | Nov 1996 | £58,000 | |
| 8 Castle Square, Mumbles | Terraced (freehold) | Nov 2015 | £173,500 |
| 7 Castle Square, Mumbles | Terraced (freehold) | Sep 2006 | £186,000 |
| Terraced (freehold) | Aug 1996 | £53,000 | |
| 1 Castle Square, Mumbles | Terraced (freehold) | Oct 2001 | £82,500 |
| 5 Castle Square, Mumbles | Terraced (freehold) | Apr 2001 | £66,000 |
| Terraced (freehold) | May 1997 | £53,500 | |
| 2 Castle Square, Mumbles | Terraced (freehold) | Dec 1995 | £55,000 |