House Prices in Old St. Mellons
House prices in Old St. Mellons have an overall average of £302,410 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 £218,039. Detached properties sold for an average of £422,602, with semi-detached properties fetching £293,346.
Overall, the historical sold prices in Old St. Mellons over the last year were 2% up on the previous year and 6% up on the 2022 peak of £284,507.
Properties Sold
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 |
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.
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 |
4, Bethania Row, Old St Mellons, Cardiff CF3 5UD
| Today | See what it's worth now |
| 28 Jul 2025 | £200,000 |
| 31 Oct 2024 | £155,000 |
No other historical records.
6, Ferntree Drive, Trowbridge, Cardiff CF3 0AA
| Today | See what it's worth now |
| 25 Jul 2025 | £225,000 |
| 12 Apr 2011 | £110,000 |
No other historical records.
179, Mortimer Avenue, Old St Mellons, Cardiff CF3 6YG
| Today | See what it's worth now |
| 24 Jul 2025 | £290,000 |
| 29 Jun 2020 | £214,995 |
No other historical records.
White Acre, Bridge Road, Old St Mellons, Cardiff CF3 6UY
| Today | See what it's worth now |
| 22 Jul 2025 | £840,000 |
| 23 Oct 2015 | £540,000 |
10, Ffordd Crabtree, Old St Mellons, Cardiff CF3 6AN
| Today | See what it's worth now |
| 18 Jul 2025 | £227,500 |
| 19 Dec 2018 | £159,995 |
No other historical records.
30, Bronte Crescent, Llanrumney, Cardiff CF3 5PL
| Today | See what it's worth now |
| 4 Jul 2025 | £250,000 |
| 25 Aug 2023 | £225,000 |
56, Elgar Crescent, Llanrumney, Cardiff CF3 5RU
| Today | See what it's worth now |
| 27 Jun 2025 | £385,000 |
| 30 Jun 2023 | £350,000 |
No other historical records.
13, Heol Williams, Old St Mellons, Cardiff CF3 6AQ
| Today | See what it's worth now |
| 9 Jun 2025 | £217,000 |
| 30 Nov 2018 | £164,995 |
No other historical records.
36a, Sanderling Drive, Trowbridge, Cardiff CF3 0DJ
| Today | See what it's worth now |
| 9 Jun 2025 | £200,000 |
| 21 Mar 2022 | £180,000 |
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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 13 November 2025. It covers the period from 1 January 1995 to 30 September 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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