House Price Watch
100 most expensive houses in Castle
The highest recorded sale in Castle is £605,000 in February 2014.
Related price questions
Castle, an area within Swansea, has seen plenty of property activity over the years, with 6,436 sales recorded since 1995. The priciest home on the list sold for an impressive £605,000 back in 2014, while at the other end of the market, the least expensive property on the list went for £221,000. The most recent sale in the area took place in 2026, showing that sales here are still ongoing. Together, these figures highlight the range of property prices across Castle.
Sold in February 2014
homegower house st helens road, swansea
£605,000
Sold for a lower amount since this price
Sold in April 2025
heathfield house , swansea
£600,000
Sold in August 2025
226 oystermouth road, swansea
£555,000
4.
Sold in February 2024
48 - 49 the kingsway, swansea
£505,000
5.
Sold in February 2025
27 wind street, swansea
£500,000
6.
Sold in October 2016
210 high street, swansea
£450,000
7.
Sold in October 2016
211 high street, swansea
£450,000
8.
Sold in March 2023
12 gore terrace, swansea
£411,000
9.
Sold in June 2025
4 carlton terrace, swansea
£400,000
10.
Sold in August 2023
28 carlton terrace, swansea
£400,000
Most expensive houses in areas around Castle
£1,175,000
94.21%
£1,150,000
90.08%
£950,000
57.02%
£2,500,000
313.22%
£1,380,000
128.10%
£950,000
57.02%
£2,882,745
376.49%
11.
Sold in September 2004
17 union street, swansea
£395,000
12.
Sold in January 2020
1 - 3 ebenezer street, swansea
£380,000
13.
Sold in May 2023
20 carlton terrace, swansea
£380,000
14.
Sold in August 2002
21 union street, swansea
£360,000
15.
Sold in September 2007
6 st helens road, swansea
£360,000
16.
Sold in April 2008
256 - 258 oystermouth road, swansea
£355,000
17.
Sold in November 2025
31 mansel street, swansea
£340,000
18.
Sold in August 2024
6 chaddesley terrace, swansea
£335,000
19.
Sold in November 2021
272 oystermouth road, swansea
£325,000
20.
Sold in November 2004
31 the kingsway, swansea
£325,000
21.
Sold in June 2010
31 the kingsway, swansea
£325,000
22.
Sold in August 2024
14 chaddesley terrace, swansea
£321,000
23.
Sold in June 1997
19 union street, swansea
£320,000
24.
Sold in July 2007
286 oystermouth road, swansea
£320,000
Sold for a lower amount since this price
25.
Sold in April 2022
67 mansel street, swansea
£315,000
26.
Sold in March 2026
20 the promenade, swansea
£315,000
Sold for a lower amount since this price
27.
Sold in July 2007
206 high street, swansea
£305,000
28.
Sold in October 2022
7 chaddesley terrace, swansea
£305,000
29.
Sold in April 2024
11 gore terrace, swansea
£300,000
30.
Sold in January 2022
4 chaddesley terrace, swansea
£300,000
31.
Sold in October 2022
135 constitution hill, swansea
£300,000
32.
Sold in January 2024
4 gore terrace, swansea
£295,000
33.
Sold in October 2021
8 chaddesley terrace, swansea
£295,000
34.
Sold in September 2021
5 the promenade, swansea
£285,000
35.
Sold in July 2025
378 oystermouth road, swansea
£281,000
36.
Sold in April 2008
excelsior apartment 68, swansea
£280,000
37.
Sold in May 2007
89 st helens road, swansea
£280,000
38.
Sold in January 2006
hwyrnos green dragon lane, swansea
£275,000
39.
Sold in October 1995
19 oxford street, swansea
£275,000
40.
Sold in July 2008
11 - 15 ebenezer street, swansea
£275,000
41.
Sold in August 2023
49 rhondda street, swansea
£273,750
42.
Sold in April 2008
80 oxford street, swansea
£270,000
43.
Sold in May 2007
390 oystermouth road, swansea
£270,000
44.
Sold in September 2021
8 the promenade, swansea
£270,000
45.
Sold in August 2001
22 - 23 high street, swansea
£265,000
46.
Sold in May 2006
199a high street, swansea
£265,000
47.
Sold in August 2015
castle quarter apartment 4, swansea
£265,000
48.
Sold in November 2024
39 heathfield, swansea
£264,500
49.
Sold in February 2025
151 rodney street, swansea
£260,000
50.
Sold in April 2020
318 oystermouth road, swansea
£260,000
51.
Sold in March 2026
20 the promenade, swansea
£260,000
52.
Sold in October 2025
72 mansel street, swansea
£255,000
53.
Sold in September 1995
28 - 29 wind street, swansea
£250,000
54.
Sold in March 2023
225 high street, swansea
£250,000
55.
Sold in August 2007
235 high street, swansea
£250,000
Sold for a lower amount since this price
56.
Sold in December 1998
232 oxford street, swansea
£250,000
57.
Sold in March 2007
12 portland street, swansea
£250,000
58.
Sold in September 2017
286 oystermouth road, swansea
£250,000
59.
Sold in September 2024
70 st helens road, swansea
£250,000
60.
Sold in September 2024
69 st helens road, swansea
£250,000
61.
Sold in January 2000
19 the kingsway, swansea
£250,000
62.
Sold in September 2023
19 the kingsway, swansea
£250,000
63.
Sold in October 2018
41 heathfield, swansea
£250,000
64.
Sold in September 2004
17 walter road, swansea
£249,500
Sold for a lower amount since this price
65.
Sold in August 2018
5 oaklands terrace, swansea
£249,000
66.
Sold in December 2006
209a high street, swansea
£248,000
67.
Sold in December 2023
24 carlton terrace, swansea
£247,000
68.
Sold in May 2007
115 st helens road, swansea
£245,000
Sold for a lower amount since this price
69.
Sold in July 2024
29 fleet street, swansea
£245,000
70.
Sold in May 2007
12 - 13 st helens road, swansea
£245,000
71.
Sold in May 2024
11 russell street, swansea
£245,000
72.
Sold in June 2006
76 mansel street, swansea
£245,000
73.
Sold in March 2019
6 heathfield, swansea
£245,000
74.
Sold in April 2022
23 the promenade, swansea
£241,500
75.
Sold in July 2023
1 vincent street, swansea
£241,000
76.
Sold in November 2004
5 st helens road, swansea
£241,000
77.
Sold in July 2019
376 oystermouth road, swansea
£240,000
78.
Sold in November 2004
63 st helens road, swansea
£240,000
79.
Sold in November 2024
6 russell street, swansea
£240,000
80.
Sold in April 2008
141a walter road, swansea
£240,000
Sold for a lower amount since this price
81.
Sold in April 2020
27 mount pleasant, swansea
£240,000
82.
Sold in November 2009
10 st helens road, swansea
£235,000
83.
Sold in March 2019
8 the promenade, swansea
£235,000
84.
Sold in October 2007
5 oaklands terrace, swansea
£234,950
85.
Sold in October 2013
88a st helens road, swansea
£233,000
86.
Sold in August 2007
46b worcester place, swansea
£232,500
87.
Sold in September 2022
4 carlton terrace, swansea
£232,500
88.
Sold in November 2024
54 st helens road, swansea
£230,000
89.
Sold in December 2023
27 page street, swansea
£230,000
90.
Sold in February 2021
4 carlton terrace, swansea
£230,000
91.
Sold in August 2024
41 carlton terrace, swansea
£230,000
92.
Sold in June 2026
2 calvert terrace, swansea
£230,000
93.
Sold in April 2024
7 oaklands terrace, swansea
£230,000
94.
Sold in October 2025
43 mount pleasant, swansea
£227,500
95.
Sold in May 2006
8 dillwyn street, swansea
£227,000
96.
Sold in August 2023
6 - 7 hewson street, swansea
£226,000
97.
Sold in August 2005
25 russell street, swansea
£225,000
Sold for a lower amount since this price
98.
Sold in July 2025
11 heathfield, swansea
£225,000
99.
Sold in July 2023
10 bond street, swansea
£223,000
100.
Sold in March 2025
43 western street, swansea
£221,000
Data sources
Location boundary data sourced from OpenStreetMap and price information is from HM Land Registry
Last updated at 15 September 2026 at 10:13 with the latest Land Registry data (July 2026). The Castle dataset covers 839 postcodes.