| 4 Harlech Road, Abbots Langley | Leasehold | 51 m² | £120,000 (2014) |
| 6, Harlech Road, Abbots Langley | Leasehold | 52 m² | £160,000 (2014) |
| 8 Harlech Road, Abbots Langley, Abbots Langley | Leasehold | 54 m² | £95,950 (2000) |
| 10 Harlech Road, Abbots Langley | Leasehold | 53 m² | £220,000 (2023) |
| 12 Harlech Road, Abbots Langley | Leasehold | 53 m² | £62,000 (1997) |
| 14, Harlech Road, Abbots Langley | Leasehold | 53 m² | £215,000 (2014) |
| 16, Harlech Road, Abbots Langley | Leasehold | 56 m² | £265,000 (2021) |
| 18, Harlech Road, Abbots Langley | Leasehold | 55 m² | £270,000 (2023) |
| 20, Harlech Road, Abbots Langley | Leasehold | 50 m² | £235,000 (2021) |
| 24, Harlech Road, Abbots Langley | Leasehold | 48 m² | £270,000 (2021) |
| 26 Harlech Road, Abbots Langley, Abbots Langley | Freehold | 56 m² | £150,000 (2002) |
| 28, Harlech Road, Abbots Langley | Freehold | 54 m² | £380,000 (2024) |
| 30, Harlech Road, Abbots Langley | Freehold | 54 m² | £326,000 (2020) |
| 32, Harlech Road, Abbots Langley | Freehold | 83 m² | £351,000 (2016) |
| 34, Harlech Road, Abbots Langley | Freehold | 54 m² | £428,000 (2025) |
| 36, Harlech Road, Abbots Langley | Freehold | 55 m² | £340,000 (2017) |
| 40 Harlech Road, Abbots Langley | Freehold | 75 m² | £85,995 (1995) |
| 42 Harlech Road, Abbots Langley | Freehold | 56 m² | £222,000 (2006) |
| 44, Harlech Road, Abbots Langley | Freehold | 55 m² | £322,500 (2016) |
| 46 Harlech Road, Abbots Langley, Abbots Langley | Freehold | 54 m² | £375,000 (2021) |
| 48, Harlech Road, Abbots Langley | Freehold | 56 m² | £346,500 (2020) |
| 50, Harlech Road, Abbots Langley | Freehold | 53 m² | £134,950 (2000) |
| 54 Harlech Road, Abbots Langley | Freehold | 56 m² | £245,000 (2007) |
| 56 Harlech Road, Abbots Langley | Freehold | 76 m² | £180,000 (2000) |
| 58 Harlech Road, Abbots Langley | Freehold | 113 m² | £680,000 (2026) |
| 60, Harlech Road, Abbots Langley | Freehold | 65 m² | £446,000 (2025) |
| 62, Harlech Road, Abbots Langley | Freehold | 65 m² | £343,950 (2014) |
| 64, Harlech Road, Abbots Langley | Freehold | 55 m² | £223,000 (2013) |
| 66 Harlech Road, Abbots Langley | Freehold | 69 m² | £390,000 (2021) |
| 70 Harlech Road, Abbots Langley | Freehold | 116 m² | £110,000 (1996) |
| 72, Harlech Road, Abbots Langley | Freehold | 105 m² | £570,000 (2018) |
| 74, Harlech Road, Abbots Langley | Freehold | 104 m² | £415,000 (2012) |
| 76, Harlech Road, Abbots Langley | Freehold | 98 m² | £393,000 (2013) |
| 80 Harlech Road, Abbots Langley | Freehold | 89 m² | £572,500 (2025) |
| 82, Harlech Road, Abbots Langley | Freehold | 123 m² | £390,000 (2012) |
| 84, Harlech Road, Abbots Langley | Freehold | 89 m² | £307,500 (2005) |
| 86, Harlech Road, Abbots Langley | Freehold | 118 m² | £380,000 (2012) |
| 92 Harlech Road, Abbots Langley | Freehold | 101 m² | £129,995 (1996) |