House Price Watch
100 most expensive houses in Tongwynlais
In the charming area of Tongwynlais, part of Cardiff, the real estate market has seen some remarkable transactions. The most expensive house sold for an impressive £950,000 in 2022, while the least expensive on the list was priced at £295,000. Notably, 13 of these homes are located on the same street, Castell Coch View. Since 1995, there have been a total of 887 sales in this vibrant community, with the latest sale recorded in 2025.
Sold in April 2022
woodhill rhiwbina hill, cardiff
£950,000
Sold in November 2019
pinecroft rhiwbina hill, cardiff
£820,000
Sold in October 2018
forest lodge rhiwbina hill, cardiff
£751,000
4.
Sold in August 2007
ton y bwlch house , caerphilly
£750,000
5.
Sold in September 2018
willesden house rhiwbina hill, cardiff
£675,000
6.
Sold in March 2021
ty isaf farm castle road, cardiff
£615,000
7.
Sold in November 2015
graig-y-nos rhiwbina hill, cardiff
£590,000
8.
Sold in August 2019
ty isaf farm house castle road, cardiff
£585,000
9.
Sold in June 2022
forest cottage castle road, cardiff
£500,000
10.
Sold in March 2013
ty isaf farm house castle road, cardiff
£499,950
Most expensive houses in areas around Tongwynlais
£3,150,000
231.58%
£2,000,000
110.53%
£20,000,000
2005.26%
£1,000,000
5.26%
£1,475,000
55.26%
£1,750,000
84.21%
£20,000,000
2005.26%
11.
Sold in February 2021
44 castell coch view, cardiff
£487,000
12.
Sold in August 2021
morgan house , cardiff
£485,000
13.
Sold in November 2023
15 wellington street, cardiff
£480,000
14.
Sold in July 2019
28 castell coch view, cardiff
£476,000
15.
Sold in November 2016
coach house rhiwbina hill, cardiff
£475,000
16.
Sold in December 2013
cherrytrees rhiwbina hill, cardiff
£470,000
17.
Sold in May 2021
waterworks house rhiwbina hill, cardiff
£470,000
18.
Sold in June 2025
5a wellington street, cardiff
£465,000
19.
Sold in 2025
17 castle road, cardiff
£462,500
20.
Sold in 2006
cherrytrees rhiwbina hill, cardiff
£460,000
21.
Sold in June 2021
35 castell coch view, cardiff
£450,000
22.
Sold in March 2021
7 birch hill, cardiff
£450,000
23.
Sold in June 2024
5 ironbridge road, cardiff
£450,000
24.
Sold in December 2025
42 mill road, cardiff
£447,500
25.
Sold in February 2025
16 maes y draenog, cardiff
£445,000
26.
Sold in August 2017
26 castell coch view, cardiff
£445,000
27.
Sold in February 2018
27 castell coch view, cardiff
£445,000
28.
Sold in August 2006
the retreat ironbridge road, cardiff
£437,000
29.
Sold in March 2009
sea view rhiwbina hill, cardiff
£430,000
30.
Sold in October 2018
41 castell coch view, cardiff
£425,000
31.
Sold in October 2003
ton y bwlch cottage , cardiff
£425,000
32.
Sold in 2024
3 pwllhelyg, cardiff
£420,000
33.
Sold in May 2016
43 castell coch view, cardiff
£417,000
34.
Sold in 2022
20 llwyn mallt, cardiff
£405,000
35.
Sold in March 2021
31 castell coch view, cardiff
£400,000
36.
Sold in November 2023
1 pwllhelyg, cardiff
£395,000
37.
Sold in December 2004
ty isaf farm house castle road, cardiff
£395,000
38.
Sold in November 2025
11 castell coch view, cardiff
£390,000
39.
Sold in October 2022
2 clos caewal, cardiff
£390,000
40.
Sold in December 2019
21 castle road, cardiff
£388,950
41.
Sold in August 2014
28 castell coch view, cardiff
£385,000
42.
Sold in March 2022
11 grants close, cardiff
£385,000
43.
Sold in May 2022
1 birch hill, cardiff
£384,950
44.
Sold in 2019
30 castell coch view, cardiff
£380,000
45.
Sold in 2016
40 castell coch view, cardiff
£375,000
46.
Sold in February 2017
11 castle road, cardiff
£370,000
47.
Sold in November 2004
the lodge castle road, cardiff
£367,000
48.
Sold in July 2021
17 cwm gwynlais, cardiff
£365,000
49.
Sold in October 2021
30 queen street, cardiff
£357,500
50.
Sold in July 2021
40 mill road, cardiff
£355,000
51.
Sold in 2021
1 llwyn mallt, cardiff
£352,995
52.
Sold in August 2018
bwlch cottage , cardiff
£352,000
53.
Sold in July 2018
1 maes y draenog, cardiff
£345,000
54.
Sold in October 2023
2 maes y draenog, cardiff
£345,000
55.
Sold in May 2005
ty isaf stables castle road, cardiff
£345,000
56.
Sold in May 2024
48 mill road, cardiff
£344,000
57.
Sold in July 2021
17 wellington street, cardiff
£342,500
58.
Sold in July 2015
yewtree cottage rhiwbina hill, cardiff
£340,000
59.
Sold in February 2011
24 grants close, cardiff
£340,000
60.
Sold in February 2017
willesden house rhiwbina hill, cardiff
£338,000
61.
Sold in February 2024
43 cae lewis, cardiff
£331,400
62.
Sold in July 2024
19 cae lewis, cardiff
£330,000
63.
Sold in December 2010
12 grants close, cardiff
£330,000
Sold for a lower amount since this price
64.
Sold in August 2018
27 grants close, cardiff
£330,000
65.
Sold in November 2017
12 grants close, cardiff
£327,500
66.
Sold in December 2012
34 castell coch view, cardiff
£327,000
67.
Sold in July 2021
20 maes y draenog, cardiff
£325,000
68.
Sold in December 2023
34 castle road, cardiff
£325,000
69.
Sold in March 2021
5a wellington street, cardiff
£325,000
70.
Sold in December 2024
21 pantgwynlais, cardiff
£325,000
71.
Sold in August 2017
2 cross street, cardiff
£325,000
72.
Sold in April 2021
9 llwyn mallt, cardiff
£322,000
73.
Sold in June 2024
17 queen street, cardiff
£321,300
74.
Sold in December 2022
5 pwllhelyg, cardiff
£320,000
75.
Sold in February 2012
20 ironbridge road, cardiff
£320,000
76.
Sold in 2022
10 ironbridge road, cardiff
£320,000
77.
Sold in April 2012
27 grants close, cardiff
£315,250
78.
Sold in September 2010
9 grants close, cardiff
£315,000
79.
Sold in December 2011
22 ironbridge road, cardiff
£315,000
80.
Sold in 2022
23 ironbridge road, cardiff
£312,000
81.
Sold in March 2022
51 ironbridge road, cardiff
£311,000
82.
Sold in December 2022
43 merthyr road, cardiff
£310,000
83.
Sold in July 2021
27 queen street, cardiff
£310,000
84.
Sold in June 2018
8 maes y draenog, cardiff
£308,000
85.
Sold in 2010
15 grants close, cardiff
£307,000
86.
Sold in June 2024
35 ironbridge road, cardiff
£307,000
87.
Sold in September 2014
21 castle road, cardiff
£306,000
88.
Sold in August 2025
10 wyndham street, cardiff
£306,000
89.
Sold in May 2025
31 ironbridge road, cardiff
£306,000
90.
Sold in November 2014
15 castle road, cardiff
£305,000
91.
Sold in March 2011
16 grants close, cardiff
£305,000
92.
Sold in 2022
24 cwm gwynlais, cardiff
£302,000
93.
Sold in March 2017
27 cwm gwynlais, cardiff
£300,000
94.
Sold in December 2019
14 llwyn mallt, cardiff
£300,000
95.
Sold in August 2024
7 st michaels close, cardiff
£300,000
96.
Sold in July 2011
23 grants close, cardiff
£300,000
97.
Sold in June 2017
28 queen street, cardiff
£300,000
98.
Sold in September 2018
9 llwyn mallt, cardiff
£299,000
99.
Sold in December 2022
4 clos caewal, cardiff
£297,000
100.
Sold in April 2016
17 cwm gwynlais, cardiff
£295,000
Data Source & Update Note:
This list of the 100 most expensive homes sold in Tongwynlais is compiled from all-time residential sales recorded by the HM Land Registry. Each entry includes the sale price and transaction date. The dataset was last updated 29 March 2026 at 18:02 with the latest HM Land Registry data (December 2025). The Tongwynlais dataset covers 129 postcodes. Prices reflect actual recorded transactions, not current market valuations. Read our full data methodology.