Leigh expansion and Hildenborough embankment scheme
The scheme will increase storage capacity and involve construction of an embankment.
Documents
Details
The Leigh expansion and Hildenborough embankment scheme is being delivered by the Environment Agency in partnership with:
- Kent County Council
- Tonbridge and Malling Borough Council
- South East Local Enterprise Partnership - which is now the Kent and Medway Economic Partnership)
Details
The Leigh expansion and Hildenborough embankment scheme is being delivered by the Environment Agency in partnership with:
- Kent County Council
- Tonbridge and Malling Borough Council
- South East Local Enterprise Partnership - which is now the Kent and Medway Economic Partnership)
Updates to this page
Last updated
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Updated scheme's progress, added photograph showing first new gate being installed at the Leigh flood storage area control structure and image of indicative design of the Hildenborough embankment scheme.
Update history
2026-03-26 09:58
Added winter 2026 update of the scheme and replaced the image of Hildenborough construction site.
2025-11-04 12:24
Updated scheme’s progress – added photographs of the new centre and south gates with the new gate to be installed as well as Hildenborough construction site
2025-08-04 09:48
Updated scheme’s progress – added photographs showing installation of the second new gate, completed concrete work for the new penstock chamber and an aerial view of the Hildenborough construction site
2025-05-22 15:42
Updated scheme’s progress, added photographs showing work beginning on the Hawden Stream penstock structure and set-up at the Hildenborough site
2024-12-24 09:44
Updated scheme’s progress, added photograph showing first new gate being installed at the Leigh flood storage area control structure and image of indicative design of the Hildenborough embankment scheme.
2024-08-29 16:53
Changed December 2023 to August 2024 and updated Leigh flood storage area expansion and Hildenborough embankment under a new section – ‘August 2024 update’. Amended Leigh FAS to Leigh flood storage area and updated its lines with that of Hildenborough under the ‘Next steps’ section.
2024-01-16 10:45
Made changes to the March 2023 update with current project works as at December 2023. Updated project activities for 2024 up to when project is expected to finish in 2025. Brought ‘Medway catchment project’ section before ‘More information’.
2023-04-06 13:13
Added an update for March 2023.
2022-12-19 10:52
Tonbridge and Malling Borough Council granted planning permission for the Hildenborough embankment aspect of the scheme in November 2022.
2022-11-02 16:11
October 2022 update added, FAQs deleted
2022-03-29 11:30
March 2022 update added together with two maps