<|start_header_id|>assistant<|end_header_id|> Here is a summarized version of the property description in a single paragraph: One Callum Park is a 923m² corner plot in a prestigious gated development, offering prominence and privacy. Planning permission has been secured for a five-bedroom detached residence with up to 336m² of internal space, including a double garage with a 452 sq ft studio above. The plot includes a PLATINUM Incentive Package worth up to £120,000, which can be used to cover stamp duty, reservation fees, and other build costs. The custom-build process is designed around the buyer, with a streamlined and flexible approach that allows for tailored design, build, and finishing choices. The plot offers a substantial corner location with sunlit garden space, flexible outbuilding use, and a secure and private setting. Located in Lower Halstow, the property offers rural charm with urban convenience, with transport links to London and nearby amenities.