| 33 Duffryn Street, Mountain Ash, CF45 3NU | Jun 2025 | £95,000 | Terraced | Freehold |
| 28 Duffryn Street, Mountain Ash, CF45 3NU | Apr 2024 | £81,000 | Terraced | Freehold |
| 5 Duffryn Street, Mountain Ash, CF45 3NU | Sep 2023 | £75,000 | Terraced | Freehold |
| 6 Duffryn Street, Mountain Ash, CF45 3NU | Aug 2023 | £66,000 | Terraced | Freehold |
| 4 Duffryn Street, Mountain Ash, CF45 3NU | Feb 2023 | £95,000 | Terraced | Freehold |
| 30 Duffryn Street, Mountain Ash, CF45 3NU | Aug 2022 | £72,500 | Terraced | Freehold |
| 13 Duffryn Street, Mountain Ash, CF45 3NU | Apr 2022 | £65,000 | Terraced | Freehold |
| 9 Duffryn Street, Mountain Ash, CF45 3NU | Mar 2022 | £110,000 | Terraced | Freehold |
| 10 Duffryn Street, Mountain Ash, CF45 3NU | Jun 2021 | £120,000 | Terraced | Freehold |
| 26 Duffryn Street, Mountain Ash, CF45 3NU | Jun 2021 | £78,000 | Terraced | Freehold |
| 35 Duffryn Street, Mountain Ash, CF45 3NU | Feb 2021 | £84,000 | Terraced | Freehold |
| 16 Duffryn Street, Mountain Ash, CF45 3NU | Feb 2021 | £83,000 | Terraced | Freehold |
| 32 Duffryn Street, Mountain Ash, CF45 3NU | Nov 2019 | £62,000 | Terraced | Freehold |
| 24 Duffryn Street, Mountain Ash, CF45 3NU | Apr 2019 | £70,000 | Terraced | Freehold |
| 18 Duffryn Street, Mountain Ash, CF45 3NU | Dec 2018 | £52,000 | Terraced | Freehold |
| 31 Duffryn Street, Mountain Ash, CF45 3NU | Nov 2018 | £64,000 | Terraced | Freehold |
| 21 Duffryn Street, Mountain Ash, CF45 3NU | Sep 2018 | £36,000 | Terraced | Freehold |
| 37 Duffryn Street, Mountain Ash, CF45 3NU | Jan 2017 | £52,000 | Terraced | Freehold |
| 12 Duffryn Street, Mountain Ash, CF45 3NU | Aug 2016 | £47,500 | Terraced | Freehold |
| 7 Duffryn Street, Mountain Ash, CF45 3NU | Jul 2016 | £45,000 | Terraced | Freehold |
| 34 Duffryn Street, Mountain Ash, CF45 3NU | Jan 2011 | £69,950 | Terraced | Freehold |
| 36 Duffryn Street, Mountain Ash, CF45 3NU | Aug 2007 | £74,000 | Terraced | Freehold |
| 8 Duffryn Street, Mountain Ash, CF45 3NU | Feb 2007 | £59,770 | Semi-detached | Freehold |
| 14 Duffryn Street, Mountain Ash, CF45 3NU | Jul 2004 | £59,950 | Terraced | Freehold |
| 23 Duffryn Street, Mountain Ash, CF45 3NU | Apr 2003 | £42,000 | Terraced | Freehold |
| 15 Duffryn Street, Mountain Ash, CF45 3NU | Jul 2002 | £27,000 | Terraced | Freehold |
| 20 Duffryn Street, Mountain Ash, CF45 3NU | Jul 2002 | £15,000 | Terraced | Freehold |
| 25 Duffryn Street, Mountain Ash, CF45 3NU | May 1998 | £20,500 | Terraced | Freehold |
| 27 Duffryn Street, Mountain Ash, CF45 3NU | Nov 1995 | £23,000 | Terraced | Freehold |