| 5 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Dec 2025 | £830,000 | Detached | Freehold |
| 41 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2025 | £190,000 | Semi-detached | Leasehold |
| 11 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Aug 2024 | £487,500 | Semi-detached | Freehold |
| 31 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Jun 2024 | £192,500 | Terraced | Freehold |
| 27 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Oct 2023 | £484,000 | Semi-detached | Freehold |
| 23 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Mar 2023 | £450,000 | Detached | Freehold |
| 1 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Sep 2022 | £770,000 | Detached | Freehold |
| 43 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2021 | £155,250 | Semi-detached | Leasehold |
| 7 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Jun 2021 | £536,000 | Detached | Freehold |
| 25 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Sep 2016 | £374,995 | Semi-detached | Freehold |
| 29 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Sep 2016 | £574,995 | Detached | Freehold |
| 21 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Jun 2016 | £419,995 | Semi-detached | Freehold |
| 19 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Feb 2016 | £334,995 | Semi-detached | Freehold |
| 9 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2015 | £324,995 | Semi-detached | Freehold |
| 13 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2015 | £324,995 | Semi-detached | Freehold |
| 15 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2015 | £324,995 | Semi-detached | Freehold |
| 17 Mercer Avenue, Castle Hill, Swanscombe, DA10 1BG | Nov 2015 | £324,995 | Semi-detached | Freehold |
| 3 Mercer Avenue, Castle Hill, Dartford, DA10 1BG | Dec 2014 | £409,995 | Detached | Freehold |