Plans to build thousands of new homes in Basingstoke face potential delays after officials identified significant concerns regarding the local water supply. Basingstoke and Deane Borough Council has decided to pause work on its draft Local Plan to conduct a more detailed investigation into whether the area has enough water to support the new housing targets set by the government.
The decision follows a consultation process held between November 2025 and January 2026, which saw around 5,000 responses from residents and stakeholders. During this time, the Environment Agency and Natural England formally backed the council’s position, warning that the demand for water from new housing could exceed sustainable levels.
A water cycle study commissioned by the council raised further doubts about the ability of South East Water to provide a resilient fresh water supply. A key piece of infrastructure, a water transfer pipeline from the Surrey Hills, is now a decade overdue. The utility company has indicated that this project will not be completed until 2033 at the earliest.
The council is currently under pressure to accommodate a higher number of homes following changes to national planning rules in late 2024. These rules increased the annual housing target from 828 to approximately 1,127 homes per year, requiring the borough to plan for 6,000 additional homes. This development pressure affects major sites, including the flagship Manydown project.
The council is working with partners to understand the full impact of these water constraints. Once this investigation is complete, the council’s Cabinet will meet to agree on a new timetable for the Local Plan. This planning process will eventually fall under a new northern Hampshire unitary council, which is set to be created in April 2028, representing the largest change to local government in the area in five decades.
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