| 1 Carlton Court, Carlton Road, Harpenden | Leasehold | 56 m² | £179,950 (2003) |
| 2 Carlton Court, Carlton Road, Harpenden | Leasehold | 55 m² | £350,000 (2021) |
| 3 Carlton Court, Carlton Road, Harpenden | Leasehold | 58 m² | £323,250 (2021) |
| 4 Carlton Court, Carlton Road, Harpenden | Leasehold | 61 m² | £245,000 (2007) |
| 5 Carlton Court, Carlton Road, Harpenden | Leasehold | 78 m² | £385,000 (2014) |
| 6 Carlton Court, Carlton Road, Harpenden | Leasehold | 61 m² | £199,950 (2004) |
| 7 Carlton Court, Carlton Road, Harpenden | Leasehold | 88 m² | £191,000 (2003) |
| 8 Carlton Court, Carlton Road, Harpenden, Harpenden | Leasehold | 61 m² | £330,000 (2015) |
| 10 Carlton Court, Carlton Road, Harpenden | Leasehold | 105 m² | £565,000 (2021) |
| 11 Carlton Court, Carlton Road, Harpenden | Leasehold | 109 m² | £92,000 (1995) |
| 12 Carlton Court, Carlton Road, Harpenden | Leasehold | 121 m² | £519,500 (2016) |
| 14 Carlton Court, Carlton Road, Harpenden | Leasehold | 83 m² | £410,000 (2022) |
| 15 Carlton Court, Carlton Road, Harpenden | Leasehold | 53 m² | £290,000 (2017) |
| 16 Carlton Court, Carlton Road, Harpenden | Leasehold | 83 m² | £162,000 (2001) |
| 17 Carlton Court, Carlton Road, Harpenden | Leasehold | 52 m² | £109,950 (2001) |
| 18 Carlton Court, Carlton Road, Harpenden | Leasehold | 122 m² | £550,000 (2020) |
| 20 Carlton Court, Carlton Road, Harpenden | Leasehold | 117 m² | £175,000 (1999) |
| 21 Carlton Court, Carlton Road, Harpenden | Leasehold | 123 m² | £505,000 (2020) |
| 22 Carlton Court, Carlton Road, Harpenden | - | 122 m² | - |
| 23 Carlton Court, Carlton Road, Harpenden | Leasehold | 46 m² | £272,500 (2017) |
| 24 Carlton Court, Carlton Road, Harpenden | Leasehold | 45 m² | £250,000 (2024) |
| 25 Carlton Court, Carlton Road, Harpenden | - | 47 m² | - |
| 26 Carlton Court, Carlton Road, Harpenden | Leasehold | 122 m² | £440,000 (2014) |
| 27 Carlton Court, Carlton Road, Harpenden | Leasehold | 121 m² | £650,000 (2022) |
| 28 Carlton Court, Carlton Road, Harpenden | Leasehold | 121 m² | £665,000 (2022) |
| 29 Carlton Court, Carlton Road, Harpenden | Leasehold | 60 m² | £350,000 (2022) |
| 30 Carlton Court, Carlton Road, Harpenden | Leasehold | 59 m² | £225,000 (2008) |
| 31 Carlton Court, Carlton Road, Harpenden | Leasehold | 71 m² | £415,000 (2025) |
| 32 Carlton Court, Carlton Road, Harpenden | Leasehold | 69 m² | £389,950 (2022) |
| 33 Carlton Court, Carlton Road, Harpenden, Harpenden | Leasehold | 83 m² | £389,950 (2021) |
| 34 Carlton Court, Carlton Road, Harpenden | Leasehold | 84 m² | £325,000 (2021) |
| 35 Carlton Court, Carlton Road, Harpenden | Leasehold | 120 m² | £516,000 (2016) |
| 36 Carlton Court, Carlton Road, Harpenden | Leasehold | 120 m² | £143,000 (1998) |
