| 1 Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 94 m² | £275,000 (2025) |
| 2, Heol Yr Onnen, Llanharry, Pontyclun | Freehold | 73 m² | £215,000 (2015) |
| 3, Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 157 m² | £139,000 (2003) |
| 4, Heol Yr Onnen, Llanharry, Pontyclun | - | 58 m² | - |
| 5, Heol Yr Onnen, Llanharry, Pontyclun | Freehold | 57 m² | £132,000 (2019) |
| 6 Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 77 m² | £154,000 (2016) |
| 10 Heol Yr Onnen, Llanharry, Pontyclun | Freehold | 125 m² | £350,000 (2022) |
| 12, Heol Yr Onnen, Llanharry, Pontyclun | Freehold | 65 m² | £235,000 (2025) |
| 13 Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 65 m² | £160,000 (2015) |
| 15 Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 66 m² | £79,950 (2002) |
| 16, Heol Yr Onnen, Llanharry, Pontyclun | Freehold | 55 m² | £165,000 (2021) |
| 17 Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 56 m² | £51,995 (1997) |
| 18, Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 109 m² | £190,000 (2011) |
| 19, Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 101 m² | £168,000 (2010) |
| 22 Heol Yr Onnen, Llanharry, Llanharry | Leasehold | 129 m² | £159,950 (2004) |
| 24, Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 77 m² | £167,500 (2015) |
| 25, Heol Yr Onnen, Llanharry, Pontyclun | Leasehold | 90 m² | £158,500 (2010) |
| 26 Heol Yr Onnen, Llanharry, Pontyclun | - | 77 m² | - |