House Prices in Old St. Mellons
House prices in Old St. Mellons have an overall average of £302,776 over the last year.
The majority of properties sold in Old St. Mellons during the last year were terraced properties, selling for an average price of £211,106. Detached properties sold for an average of £434,756, with semi-detached properties fetching £294,890.
Overall, the historical sold prices in Old St. Mellons over the last year were 4% up on the previous year and 6% up on the 2022 peak of £284,471.
Properties Sold
168, Heritage Park, Trowbridge, Cardiff CF3 0DT
| Today | See what it's worth now |
| 17 Oct 2025 | £197,500 |
| 14 Feb 2020 | £131,250 |
Apartment 25, Block 3 The Risings, Ffordd Williamson, Old St Mellons, Cardiff CF3 6AW
| Today | See what it's worth now |
| 16 Oct 2025 | £157,500 |
| 29 Jul 2022 | £155,000 |
120, Church Road, Old St Mellons, Cardiff CF3 6YN
| Today | See what it's worth now |
| 14 Oct 2025 | £286,000 |
| 29 May 2020 | £217,995 |
No other historical records.
245, Church Road, Old St Mellons, Cardiff CF3 6YX
| Today | See what it's worth now |
| 3 Oct 2025 | £180,000 |
| 19 Dec 2022 | £170,995 |
No other historical records.
94, Willowbrook Gardens, Trowbridge, Cardiff CF3 0BY
| Today | See what it's worth now |
| 26 Sep 2025 | £350,000 |
| 5 Oct 2018 | £230,000 |
29, The Dell, Old St Mellons, Cardiff CF3 5DL
| Today | See what it's worth now |
| 19 Sep 2025 | £150,000 |
| 23 Apr 2021 | £115,500 |
44, Heritage Park, Trowbridge, Cardiff CF3 0DQ
| Today | See what it's worth now |
| 16 Sep 2025 | £321,000 |
| 16 Oct 2020 | £249,999 |
77, Heritage Park, Trowbridge, Cardiff CF3 0DQ
| Today | See what it's worth now |
| 5 Sep 2025 | £170,000 |
| 26 Nov 2021 | £135,000 |
12, Walpole Close, Llanrumney, Cardiff CF3 5QP
| Today | See what it's worth now |
| 5 Sep 2025 | £190,000 |
| 17 May 2019 | £127,500 |
17, Redwood Close, Trowbridge, Cardiff CF3 0BX
| Today | See what it's worth now |
| 29 Aug 2025 | £95,000 |
| 13 Jan 2023 | £91,500 |
208, Heritage Park, Trowbridge, Cardiff CF3 0DU
| Today | See what it's worth now |
| 28 Aug 2025 | £255,000 |
| 26 Sep 2018 | £165,000 |
1, Lyncroft Close, Old St Mellons, Cardiff CF3 5PX
| Today | See what it's worth now |
| 26 Aug 2025 | £180,000 |
| 28 Sep 2001 | £56,000 |
No other historical records.
23, Duncan Close, Rumney, Cardiff CF3 1NP
| Today | See what it's worth now |
| 26 Aug 2025 | £245,000 |
| 10 Jun 2016 | £148,000 |
Istana, Ty'r Winch Road, Old St Mellons, Cardiff CF3 5UX
| Today | See what it's worth now |
| 26 Aug 2025 | £470,000 |
| 4 Dec 1998 | £110,000 |
No other historical records.
28, Sanderling Drive, Trowbridge, Cardiff CF3 0DJ
| Today | See what it's worth now |
| 26 Aug 2025 | £270,000 |
| 25 Oct 2021 | £224,000 |
No other historical records.
14, Potter Street, Old St Mellons, Cardiff CF3 6AR
| Today | See what it's worth now |
| 21 Aug 2025 | £260,000 |
| 27 Sep 2019 | £194,995 |
No other historical records.
9, Boyce Way, Old St Mellons, Cardiff CF3 6AB
| Today | See what it's worth now |
| 15 Aug 2025 | £235,000 |
| 31 Aug 2017 | £170,000 |
No other historical records.
1, Clos Thomas, Old St Mellons, Cardiff CF3 6YR
| Today | See what it's worth now |
| 15 Aug 2025 | £340,000 |
| 5 Feb 2021 | £263,995 |
No other historical records.
24, Blackbirds Way, Old St Mellons, Cardiff CF3 5RE
| Today | See what it's worth now |
| 8 Aug 2025 | £295,000 |
| 8 Mar 2002 | £74,000 |
No other historical records.
9, Sanderling Drive, Trowbridge, Cardiff CF3 0DA
| Today | See what it's worth now |
| 8 Aug 2025 | £149,000 |
| 13 Sep 1996 | £27,950 |
No other historical records.
7, Heathcliffe Close, Old St Mellons, Cardiff CF3 5PY
| Today | See what it's worth now |
| 8 Aug 2025 | £265,000 |
| 7 Dec 2001 | £87,950 |
No other historical records.
26, Stryd Boyd, Old St Mellons, Cardiff CF3 6YS
| Today | See what it's worth now |
| 1 Aug 2025 | £229,000 |
| 30 Sep 2021 | £194,995 |
No other historical records.
Plough House, Druidstone Road, Old St Mellons, Cardiff CF3 6XD
| Today | See what it's worth now |
| 31 Jul 2025 | £1,055,000 |
No other historical records.
106, Heol Bennett, Old St Mellons, Cardiff CF3 6AG
| Today | See what it's worth now |
| 31 Jul 2025 | £276,000 |
| 20 Dec 2019 | £236,095 |
No other historical records.
34, Ferntree Drive, Trowbridge, Cardiff CF3 0AA
| Today | See what it's worth now |
| 28 Jul 2025 | £231,000 |
| 5 Nov 1999 | £34,000 |
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Source Acknowledgement: © Crown copyright. England and Wales house price data is publicly available information produced by the HM Land Registry.This material was last updated on 20 November 2025. It covers the period from 1 January 1995 to 31 October 2025 and contains property transactions which have been registered during that period. Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
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