| 1 Harden Keep, Millpool Way, Smethwick | - | 47 m² | - |
| 3 Harden Keep, Millpool Way, Smethwick, Smethwick | Leasehold | 48 m² | £112,500 (2021) |
| 4, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £68,000 (2014) |
| 5, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £106,000 (2017) |
| 7, Harden Keep, Millpool Way, Smethwick | Leasehold | 52 m² | £65,000 (2012) |
| 8, Harden Keep, Millpool Way, Smethwick | Leasehold | 43 m² | £70,000 (2013) |
| 9, Harden Keep, Millpool Way, Smethwick | Leasehold | 44 m² | £83,000 (2020) |
| 10 Harden Keep, Millpool Way, Smethwick | Leasehold | 46 m² | £116,000 (2024) |
| 11 Harden Keep, Millpool Way, Smethwick | Leasehold | 49 m² | £120,000 (2025) |
| 12 Harden Keep, Millpool Way, Smethwick | Leasehold | 48 m² | £113,000 (2022) |
| 14, Harden Keep, Millpool Way, Smethwick | Leasehold | 44 m² | £65,000 (2015) |
| 15 Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £115,000 (2022) |
| 16 Harden Keep, Millpool Way, Smethwick | Leasehold | 43 m² | £90,000 (2024) |
| 18, Harden Keep, Millpool Way, Smethwick | Leasehold | 46 m² | £54,150 (2012) |
| 19, Harden Keep, Millpool Way, Smethwick | Leasehold | 48 m² | £97,500 (2018) |
| 20 Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £106,000 (2024) |
| 21, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £115,000 (2022) |
| 23, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £88,000 (2016) |
| 24, Harden Keep, Millpool Way, Smethwick | Leasehold | 48 m² | £104,000 (2019) |
| 26 Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £125,000 (2025) |
| 27, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £92,500 (2017) |
| 28 Harden Keep, Millpool Way, Smethwick, Smethwick | Leasehold | 47 m² | £120,000 (2021) |
| 30, Harden Keep, Millpool Way, Smethwick | Leasehold | 49 m² | £115,000 (2019) |
| 31 Harden Keep, Millpool Way, Smethwick | Leasehold | 48 m² | £105,000 (2016) |
| 32, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £75,000 (2016) |
| 33, Harden Keep, Millpool Way, Smethwick | Leasehold | 26 m² | £52,000 (2014) |
| 34, Harden Keep, Millpool Way, Smethwick | Leasehold | 50 m² | £100,000 (2021) |
| 37, Harden Keep, Millpool Way, Smethwick | Leasehold | 47 m² | £110,000 (2021) |