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Castle SquareHouse Prices / Wales, Swansea
Last updated Jun 2026
Key Street Insights
Castle Square is a residential street with 12 addresses.
It ranks as the 209th largest and 192nd most expensive of the 661 streets in the SA3 area. The dominant property type is a period house built between 1800 and 1911.
The street contains a total of 12 properties: 12 houses.
12
Properties
- Houses
Key Street Insights
Castle Square is a residential street with 12 addresses.
It ranks as the 209th largest and 192nd most expensive of the 661 streets in the SA3 area. The dominant property type is a period house built between 1800 and 1911.
The street contains a total of 12 properties: 12 houses.
12
Properties
- Houses
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House Priceson Castle Square
Sale prices range from £231,462 for 3 bedroom freehold houses with a garden (818 ft2) to £343,590 for 3 bedroom freehold houses with a garden (818 ft2) .
Monthly rental prices range from £1,473 pcm for 3 bed houses to £1,694 pcm for 3 bed houses.
The gross rental yield is between 5.9% and 7.6%.
The average value per square foot is £274.
Average Sale Value
£249,944
Average Rental Value
£1,522 pcm
Average Rental Yield
7.3% /year
Average Value Per Sqft
£274 /ft2
Sales Market Trendson Castle Square
The last sale on Castle Square sold for £208,000 on 21st November 2025. Since then prices are up an average of 1.5%.
The current average value in the street is £249,944.
The Castle Square Sales Market has increased by 47.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 2.8% | £249,944 |
| May 2025 | 2.2% | £243,245 |
| May 2024 | 0.1% | £238,115 |
| May 2023 | 3.7% | £237,880 |
| May 2022 | 8.9% | £229,419 |
| May 2021 | 14% | £210,748 |
| May 2020 | -2.3% | £184,811 |
| May 2019 | 5.2% | £189,240 |
| May 2018 | 3.2% | £179,899 |
| May 2017 | 2.7% | £174,245 |
| May 2016 | 0% | £169,653 |
| May 2015 | 4.2% | £169,601 |
| May 2014 | 1% | £162,777 |
| May 2013 | 0.6% | £161,137 |
| May 2012 | 0.3% | £160,158 |
| May 2011 | -3.6% | £159,652 |
| May 2010 | 6.7% | £165,561 |
| May 2009 | -10% | £155,222 |
| May 2008 | 0.6% | £172,393 |
| May 2007 | 0% | £171,338 |
Rental Market Trendson Castle Square
The current average rental value in the street is £1,522.
The Castle Square Rental Market has increased by 69.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 4.1% | £1,522pcm |
| May 2025 | 4.3% | £1,462pcm |
| May 2024 | 6.3% | £1,401pcm |
| May 2023 | 8% | £1,318pcm |
| May 2022 | 14.3% | £1,221pcm |
| May 2021 | 8.6% | £1,068pcm |
| May 2020 | 1.2% | £983pcm |
| May 2019 | 2.8% | £972pcm |
| May 2018 | 1.5% | £945pcm |
| May 2017 | 3.7% | £931pcm |
| May 2016 | 2.9% | £898pcm |
| May 2015 | 0.8% | £872pcm |
| May 2014 | 1.9% | £865pcm |
| May 2013 | 0.3% | £849pcm |
| May 2012 | 2% | £846pcm |
| May 2011 | -0.6% | £829pcm |
| May 2010 | 2.7% | £834pcm |
| May 2009 | -5.9% | £812pcm |
| May 2008 | 5.3% | £863pcm |
| May 2007 | 0% | £820pcm |
Explore Propertieson Castle Square, Mumbles, Swansea, SA3
- 1, Castle Square, Swansea, SA3 4BJ
- 2, Castle Square, Swansea, SA3 4BJ3 bed period house
- 3, Castle Square, Swansea, SA3 4BJ3 bed period house
- 4, Castle Square, Swansea, SA3 4BJ3 bed period house
- 5, Castle Square, Swansea, SA3 4BJ3 bed period house
- 6, Castle Square, Swansea, SA3 4BJ
- 7, Castle Square, Swansea, SA3 4BJ
- 8, Castle Square, Swansea, SA3 4BJ3 bed period house
- 9, Castle Square, Swansea, SA3 4BJ3 bed period house
- 10, Castle Square, Swansea, SA3 4BJ
- 11, Castle Square, Swansea, SA3 4BJ3 bed period house
- 12, Castle Square, Swansea, SA3 4BJ3 bed period house
Sales Historyon Castle Square, Mumbles, Swansea, SA3
The last sale was on 21st November 2025 for £208,000 and since then the market in the area has increased by 1.5%. The street has had a total of 14 sales since 1995.
Castle Square, Mumbles, Swansea, SA3 has seen 3 sales in the last three years and 2 sales in the last twelve months.
Sold Nov 2025£208,000 | 3 Bed HouseCastle Square12, Castle Square, Swansea, SA3 4BJ
Sold Aug 2025£257,500 | 3 Bed HouseCastle Square11, Castle Square, Swansea, SA3 4BJ
Sold Mar 2024£220,000 | 3 Bed HouseCastle Square11, Castle Square, Swansea, SA3 4BJ
Sold Oct 2022£290,000 | 3 Bed HouseCastle Square3, Castle Square, Swansea, SA3 4BJ
Sold Aug 2021£275,000 | 3 Bed HouseCastle Square4, Castle Square, Swansea, SA3 4BJ
Sold Nov 2015£173,500 | 3 Bed HouseCastle Square8, Castle Square, Swansea, SA3 4BJ
Sold Sep 2006£186,000 | 3 Bed HouseCastle Square7, Castle Square, Swansea, SA3 4BJ
Sold Oct 2001£82,500 | 3 Bed HouseCastle Square1, Castle Square, Swansea, SA3 4BJ
Sold Apr 2001£66,000 | 3 Bed HouseCastle Square5, Castle Square, Swansea, SA3 4BJ
Sold May 1997£53,500 | 3 Bed HouseCastle Square5, Castle Square, Swansea, SA3 4BJ
Sold Nov 1996£58,000 | 3 Bed HouseCastle Square4, Castle Square, Swansea, SA3 4BJ
Sold Aug 1996£53,000 | 3 Bed HouseCastle Square7, Castle Square, Swansea, SA3 4BJ
Sold Mar 1996£55,000 | 3 Bed HouseCastle Square3, Castle Square, Swansea, SA3 4BJ
Sold Dec 1995£55,000 | 3 Bed HouseCastle Square2, Castle Square, Swansea, SA3 4BJ
Top 3 Most Expensive Saleson Castle Square, Mumbles, Swansea, SA3
Nearby Streetsto Castle Square, Mumbles, Swansea, SA3
Castle Square, Mumbles, Swansea, SA3 is the 209th largest and the 192nd most expensive street in the SA3 area.
- 38 mCastle Street, Mumbles, Swansea, SA321 Addresses
- 84 mNewton Road, Mumbles, Swansea, SA369 Addresses
- 105 mVictoria Avenue, Mumbles, Swansea, SA347 Addresses
- 116 mStanley Street, Mumbles, Swansea, SA311 Addresses
- 127 mHelwick Close, Mumbles, Swansea, SA35 Addresses
- 164 mQueens Road, Mumbles, Swansea, SA360 Addresses
Postcodeson Castle Square, Mumbles, Swansea, SA3
There is 1 postcode on Castle Square, Mumbles, Swansea, SA3.
- House prices in SA3 4BJ12 Addresses
Property Typesin Castle Square
- 8 period houses built between 1800 and 1911
- 4 other addresses of unknown type
- period house (8)
- Unknown (4)
Energy Efficiencyof properties on Castle Square
- Energy Performance Certificate (EPC) surveys conducted for 8 properties.
- The dominant rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (2)
- G (0)
- D (3)
- No EPC (4)
Schools Nearbyto Castle Square, Mumbles, Swansea, SA3
Public Transport Nearbyto Castle Square, Mumbles, Swansea, SA3
The closest station to Castle Square, Mumbles, Swansea, SA3 is Swansea station which is 7.0 kilometres away.
- 7.0kmSwansea
- 8.4kmGowerton
- 12.6kmLlansamlet
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