| Postcode | SA3 4BA |
|---|---|
| Post Town | Swansea |
| Nearest station | Swansea (7 km) |
| Bus stops |
Newton Road (E)
Oystermouth Square (N)
Oystermouth Square (SE)
School (E)
All Saint's Church (NW)
Castle Acre (E)
|
| Roads in this postcode | |
| Number of UPRNs | 18 View |
| Known addresses |
1 Castle Avenue, Mumbles
2 Castle Avenue, Mumbles
3 Castle Avenue, Mumbles
4 Castle Avenue, Mumbles
6 Castle Avenue, Mumbles
8 Castle Avenue, Mumbles
10 Castle Avenue, Mumbles
12 Castle Avenue, Mumbles
13 Castle Avenue, Mumbles
15 Castle Avenue, Mumbles
|
| Main property type | Semi-detached |
| Businesses |
| Latitude | 51.576138 | |
|---|---|---|
| Longitude | -4.001058 | |
| Easting | 261432 | |
| Northing | 188262 | |
| Grid reference | SS614882 | |
| UTM reference | 30U 430630 5714371 | |
| what3words | push.workflow.message | |
| FixPhrase | cringing lumpish stoneware tipped | |
| Plus code | 9C3QHXGX+FH | |
| Altitude | 22 metres (71 feet) | |
| Sunrise (today) | 7:16 | |
| Sunset (today) | 16:45 | |
| Distance away | ||
| Distance to sea | 0.2 KMs (0.1 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) | 27 | |
|---|---|---|
| Households (2011) | 13 | |
| 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 |
| Average property price in Swansea | £199,164 |
|---|---|
| Annual change | 2.0% |
| Address | Type | Date | Price |
|---|---|---|---|
| 10 Castle Avenue, Mumbles | Semi-detached (freehold) | Feb 2023 | £525,000 |
| Semi-detached (leasehold) | Feb 2023 | £525,000 | |
| 8 Castle Avenue, Mumbles | Detached (freehold) | Mar 2020 | £510,000 |
| Detached (freehold) | Apr 1999 | £92,500 | |
| 13 Castle Avenue, Mumbles | Detached (freehold) | Sep 2019 | £575,000 |
| Detached (freehold) | Feb 2017 | £420,000 | |
| Detached (freehold) | Jan 2008 | £310,000 | |
| 3 Castle Avenue, Mumbles | Semi-detached (freehold) | Mar 2016 | £370,000 |
| Semi-detached (freehold) | Oct 2007 | £241,000 | |
| 6 Castle Avenue, Mumbles | Semi-detached (freehold) | Sep 2008 | £340,000 |
| 12 Castle Avenue, Mumbles | Semi-detached (freehold) | Jun 2006 | £302,500 |
| Semi-detached (freehold) | Jan 2004 | £295,000 | |
| Semi-detached (freehold) | Dec 2000 | £140,000 | |
| 2 Castle Avenue, Mumbles | Terraced (freehold) | Sep 2005 | £340,000 |
| Terraced (freehold) | Sep 1995 | £85,000 | |
| 15 Castle Avenue, Mumbles | Semi-detached (freehold) | Oct 2003 | £53,000 |
| 4 Castle Avenue, Mumbles | Semi-detached (freehold) | Sep 2002 | £197,500 |
| Semi-detached (freehold) | Nov 1997 | £90,000 | |
| 1 Castle Avenue, Mumbles | Semi-detached (freehold) | Jul 2000 | £100,000 |