Castle Street - SA3 4BH
Key Street Insights
Castle Street is a residential street with 21 addresses.
It ranks as the 357th largest and 267th most expensive of the 661 streets in the SA3 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 21 properties: 21 houses.
- Ave. Sale Price
- £320,171
- 10 Year change
- up 44.0%
- Ave. Rental Price
- £1,671pcm
- 10 Year change
- up 67.2%
- Ave. £ per ft²
- £326/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Key Street Insights
Castle Street is a residential street with 21 addresses.
It ranks as the 357th largest and 267th most expensive of the 661 streets in the SA3 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 21 properties: 21 houses.
- Ave. Sale Price
- £320,171
- 10 Year change
- up 44.0%
- Ave. Rental Price
- £1,671pcm
- 10 Year change
- up 67.2%
- Ave. £ per ft²
- £326/ft²
- Ave. Gross Yield
- 6.3%/year/yr
Explore Propertieson Castle Street, Mumbles, Swansea, SA3
- 1 Castle Street
4 Bed Period House
- 2 Castle Street
3 Bed Period House
- 3 Castle Street
3 Bed Period House
- 4 Castle Street
3 Bed Period House
- 5 Castle Street
House
Sales Market Trends
The last sale on Castle Street sold for £260,000 on 31st October 2025. Since then prices are up an average of 0.6%.
The current average value in the street is £320,171.
The Castle Street Sales Market has increased by 44.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.3% | £320,171 |
| June 2025 | 2% | £316,205 |
| June 2024 | 0.4% | £309,914 |
| June 2023 | 3.4% | £308,598 |
| June 2022 | 8.3% | £298,513 |
| June 2021 | 14.4% | £275,752 |
| June 2020 | -2.9% | £241,064 |
| June 2019 | 6.1% | £248,177 |
| June 2018 | 2.8% | £233,955 |
| June 2017 | 2.4% | £227,677 |
| June 2016 | -0.1% | £222,326 |
| June 2015 | 4.8% | £222,579 |
| June 2014 | 1.6% | £212,398 |
| June 2013 | 0.5% | £208,978 |
| June 2012 | 0.8% | £207,856 |
| June 2011 | -3.7% | £206,271 |
| June 2010 | 5.6% | £214,135 |
| June 2009 | -7.4% | £202,860 |
| June 2008 | -0.3% | £219,068 |
| June 2007 | 0% | £219,776 |
Rental Market Trends
The current average rental value in the street is £1,671.
The Castle Street Rental Market has increased by 67.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.7% | £1,671pcm |
| June 2025 | 4.2% | £1,627pcm |
| June 2024 | 6.1% | £1,561pcm |
| June 2023 | 7.3% | £1,471pcm |
| June 2022 | 14.8% | £1,371pcm |
| June 2021 | 9.1% | £1,194pcm |
| June 2020 | 1% | £1,094pcm |
| June 2019 | 3.4% | £1,084pcm |
| June 2018 | 1.1% | £1,048pcm |
| June 2017 | 3.7% | £1,037pcm |
| June 2016 | 2.9% | £1,000pcm |
| June 2015 | 1.2% | £972pcm |
| June 2014 | 1.5% | £961pcm |
| June 2013 | 0.5% | £947pcm |
| June 2012 | 1.9% | £942pcm |
| June 2011 | -0.2% | £924pcm |
| June 2010 | 3.6% | £926pcm |
| June 2009 | -4.9% | £894pcm |
| June 2008 | 4.2% | £940pcm |
| June 2007 | 0% | £902pcm |
Sales History
The last sale was on 31st October 2025 for £260,000 and since then the market in the area has increased by 0.6%. The street has had a total of 32 sales since 1995.
Castle Street, Mumbles, Swansea, SA3 has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Oct 2025£260,000 | 3 Bed House16, Castle Street, Swansea, SA3 4BH16, Castle Street, Swansea, SA3 4BH
- Sold Feb 2024£387,500 | 3 Bed House14, Castle Street, Swansea, SA3 4BH14, Castle Street, Swansea, SA3 4BH
- Sold Sep 2023£325,000 | 3 Bed House11, Castle Street, Swansea, SA3 4BH11, Castle Street, Swansea, SA3 4BH
- Sold Sep 2022£341,000 | 3 Bed House2, Castle Street, Swansea, SA3 4BH2, Castle Street, Swansea, SA3 4BH
- Sold Mar 2021£274,000 | 3 Bed House21, Castle Street, Swansea, SA3 4BH21, Castle Street, Swansea, SA3 4BH
Top 3 Most Expensive Sales
- Sold Feb 2024£387,500 | 3 Bed House14, Castle Street, Swansea, SA3 4BH14, Castle Street, Swansea, SA3 4BH
- Sold Sep 2022£341,000 | 3 Bed House2, Castle Street, Swansea, SA3 4BH2, Castle Street, Swansea, SA3 4BH
- Sold Sep 2023£325,000 | 3 Bed House11, Castle Street, Swansea, SA3 4BH11, Castle Street, Swansea, SA3 4BH
Nearby Streets
Castle Street, Mumbles, Swansea, SA3 is the 357th largest and the 267th most expensive street in the SA3 area.
- Castle Square, Mumbles, Swansea, SA312 Addresses|38 m away
- Newton Road, Mumbles, Swansea, SA371 Addresses|68 m away
- Victoria Avenue, Mumbles, Swansea, SA347 Addresses|126 m away
- Helwick Close, Mumbles, Swansea, SA35 Addresses|136 m away
- Castle Avenue, Mumbles, Swansea, SA316 Addresses|143 m away
- Stanley Street, Mumbles, Swansea, SA311 Addresses|151 m away
Property Types
- 15 period houses built between 1800 and 1911
- 1 house of an unknown age
- 5 other addresses of unknown type
- period house (15)
- house (1)
- Unknown (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (3)
- G (0)
- D (9)
- No EPC (6)
Schools Nearby
Public Transport Nearby
The closest station to Castle Street, Mumbles, Swansea, SA3 - SA3 4BH is Swansea station, which is 6.9 kilometres away.
- Swansea|6.9 km away
- Gowerton|8.4 km away
- Llansamlet|12.6 km away
