| 1 Harlech Close, Worthing | Freehold | 87 m² | £212,000 (2012) |
| 2, Harlech Close, Worthing | Freehold | 61 m² | £237,000 (2015) |
| 3 Harlech Close, Worthing | Freehold | 63 m² | £312,750 (2024) |
| 4, Harlech Close, Worthing | - | 75 m² | - |
| 5, Harlech Close, Worthing | Freehold | 102 m² | £254,950 (2014) |
| 6, Harlech Close, Worthing | Freehold | 96 m² | £287,500 (2020) |
| 7, Harlech Close, Worthing | - | 77 m² | - |
| 8, Harlech Close, Worthing | Freehold | 61 m² | £263,000 (2020) |
| 9, Harlech Close, Worthing | Freehold | 58 m² | £46,500 (1996) |
| 10 Harlech Close, Worthing | Freehold | 56 m² | £280,000 (2021) |
| 11 Harlech Close, Worthing | Freehold | 62 m² | £290,000 (2024) |
| 12 Harlech Close, Worthing | Freehold | 68 m² | £380,000 (2023) |
| 14 Harlech Close, Worthing | Freehold | 75 m² | £98,000 (1999) |
| 16 Harlech Close, Worthing | Leasehold | 40 m² | £389,000 (2023) |
| 17, Harlech Close, Worthing | Leasehold | 47 m² | £190,000 (2024) |
| 18 Harlech Close, Northbrook, Worthing, Worthing | Leasehold | 43 m² | £111,000 (2012) |
| 19 Harlech Close, Worthing | Leasehold | 44 m² | £180,000 (2021) |
| 20, Harlech Close, Worthing | Freehold | 42 m² | £224,000 (2018) |
| 21, Harlech Close, Worthing | Freehold | 43 m² | £240,000 (2023) |
| 22 Harlech Close, Worthing | - | 42 m² | - |
| 24, Harlech Close, Worthing | Freehold | 79 m² | £300,000 (2018) |
| 25, Harlech Close, Worthing | Freehold | 62 m² | £177,000 (2013) |
| 27, Harlech Close, Worthing | - | 108 m² | - |
| 28, Harlech Close, Worthing | Freehold | 57 m² | £118,000 (2002) |
| 29 Harlech Close, Worthing | Freehold | 113 m² | £325,000 (2018) |