Project
Havant Thicket Reservoir
United KingdomWater Infrastructure, Bulk Water Infrastructure, Strategic Water Infrastructure
The first new major UK reservoir in 30 years, at Havant in Hampshire. Reservoir shell construction has been under way since 2022 under separate consents, and Southern Water submitted a Development Consent Order application in May 2026, which had not been consented as of the research cut-off.
Status
Development / PlanningStatus
Overview
- Location
- Havant, Hampshire, England
- Scale / Scope
- First new major UK reservoir in 30 years; concretely illustrates the PR24/AMP8 water-resilience investment programme. Reservoir shell construction has been ongoing since 2022 under separate consents; Southern Water submitted the Development Consent Order in May 2026 — DCO submitted, not yet consented, as of this cut-off (submission and examination are distinct from consent — see the country legal-framework note on the Planning Act 2008/DCO regime). Portsmouth Water holds a disputed water-rights interest, noted as an identity/interest caution, not resolved in this pass.
Project Developments
- Regulatory · 1 May 2026Southern Water submits Development Consent Order for Havant Thicket Reservoir
Southern Water submitted the Development Consent Order application for Havant Thicket Reservoir — the first new major UK reservoir in 30 years. DCO submitted, not yet consented, as of this cut-off; reservoir shell construction has been ongoing since 2022 under separate consents.
Participants & Roles
Regulator
Sources
- Southern Water — DCO submissionProject Company / Sponsor
- Planning Inspectorate — DCO registerRegulatory / Procurement