| 12 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Apr 2025 | £235,000 | Semi-detached | Freehold |
| 1 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Apr 2025 | £275,000 | Detached | Leasehold |
| 10 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Dec 2022 | £350,000 | Detached | Freehold |
| 16 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Mar 2021 | £165,000 | Semi-detached | Freehold |
| 5 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Feb 2019 | £132,000 | Semi-detached | Freehold |
| 6 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Nov 2016 | £154,000 | Semi-detached | Leasehold |
| 2 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Sep 2015 | £215,000 | Detached | Freehold |
| 13 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Aug 2015 | £160,000 | Detached | Leasehold |
| 24 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Jun 2015 | £167,500 | Semi-detached | Leasehold |
| 18 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Aug 2011 | £190,000 | Detached | Leasehold |
| 19 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Aug 2010 | £168,000 | Detached | Leasehold |
| 25 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Feb 2010 | £158,500 | Detached | Leasehold |
| 7 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Jul 2004 | £120,000 | Semi-detached | Leasehold |
| 11 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Jun 2004 | £117,000 | Semi-detached | Leasehold |
| 22 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | May 2004 | £159,950 | Detached | Leasehold |
| 23 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Oct 2003 | £110,000 | Semi-detached | Leasehold |
| 3 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Jul 2003 | £139,000 | Detached | Leasehold |
| 14 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Jan 2003 | £82,950 | Semi-detached | Leasehold |
| 15 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Oct 2002 | £79,950 | Semi-detached | Leasehold |
| 21 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Sep 2001 | £48,500 | Semi-detached | Leasehold |
| 8 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Sep 1999 | £85,950 | Detached | Leasehold |
| 20 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Dec 1997 | £46,450 | Terraced | Leasehold |
| 17 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Oct 1997 | £51,995 | Semi-detached | Leasehold |
| 9 Heol Yr Onnen, Llanharry, Pontyclun, CF72 9NJ | Sep 1997 | £69,995 | Detached | Leasehold |