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Planning application

Havant Thicket Winter Storage Reservoir Manor Lodge Road, Rowlands Castle, Hampshire,

Decided East Hampshire EHDC-25-1219-NMA Non Material Amendments

Works: Trees

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Non-Material Amendment Sought of approved application 51680/012 to - Reduce the angle of the inside slopes of the Western Embankment to remove the structural risk. The amendments will generally be below the water line and therefore not readily visible. - Increase the angle of the outside slopes of the Western Embankment. There are no changes to the alignment of the outer toe of the embankment or to the height of the embankment. Views of the outside slopes of the Western Embankment are limited and largely screened from the nearest residential properties by existing vegetation which will be maintained and reinforced as part of the landscaping for HTR. - Alter the Transition Zone from the Western Embankment to tie in with the Main (Southern) Embankment slopes, providing a graded change between the embankments. As a result of these NMAs, there is no change to the Main (Southern) Embankment beyond the Transition Zone. - Revise the inside slope angles at the northern extent of the Western Embankment to ensure tree G190 located adjacent to the Western Embankment is retained. -Other consequential non-material amendments, including alterations to fencing and gates, the viewing platform, reed beds and amphitheatre

As published by the council, reference EHDC-25-1219-NMA

Application record

Reference
EHDC-25-1219-NMA
Type
Non Material Amendments
Decision
07-11-2025
Received
17 Oct 2025
Ward
Rowlands Castle
Parish
Rowlands Castle CP

Site history

Applications at this address on the East Hampshire register

This site has had 7 applications since 2025.

  • HAVANT THICKET WINTER STORAGE RESERVOIR Manor Lodge Road, Rowlands Castle, Hampshire

    Details to Discharge Condition 4 (Phasing Plan) of planning application 51680/012 dated 6th December 2024 for Application under Section 73 of the Town and Country Planning Act 1990 in respect of Conditions 2 and 3 of the Hybrid permission planning reference 51680/001 dated 15th October 2021 for proposed changes to the size and alignment of the main reservoir embankment.

    Submitted 15 May 2026 Conditions
  • Havant Thicket Winter Storage Reservoir Manor Lodge Road, Rowlands Castle, Hampshire,

    Discharge Condition 11 (Scheme for Night Time Working) of approved application 51680/012 - Application under Section 73 of the Town and Country Planning Act 1990 in respect of Conditions 2 and 3 of the Hybrid permission planning reference 51680/001 dated 15th October 2021 for proposed changes to the size and alignment of the main reservoir embankment.

    Submitted 4 Dec 2025 Conditions
  • Havant Thicket Winter Storage Reservoir Manor Lodge Road, Rowlands Castle, Hampshire,

    Re-discharge condition 29 (Renewable Energy Strategy) of approved application 51680/012 - Application under Section 73 of the Town and Country Planning Act 1990 in respect of Conditions 2 and 3 of the Hybrid permission planning reference 51680/001 dated 15th October 2021 for proposed changes to the size and alignment of the main reservoir embankment

    Submitted 1 Dec 2025 Conditions
  • HAVANT THICKET WINTER STORAGE RESERVOIR Manor Lodge Road, Rowlands Castle, Hampshire

    Discharge Conditions 28 (Landscaping) 36 (Ecological Mitigation) Phase 3 of approved application 51680/012 - Application under Section 73 of the Town and Country Planning Act 1990 in respect of Conditions 2 and 3 of the Hybrid permission planning reference 51680/001 dated 15th October 2021 for proposed changes to the size and alignment of the main reservoir embankment

    Submitted 21 Oct 2025 Conditions
  • Havant Thicket Winter Storage Reservoir Manor Lodge Road, Rowlands Castle, Hampshire,

    Non-Material Amendment sought of approved application 51680/011 Phase 3 Reserved Matters Approval (RMA)- to Reduce the angle of the inside slopes of the Western Embankment to remove the structural risk. The amendments will generally be below the water line and therefore not readily visible. - Increase the angle of the outside slopes of the Western Embankment. There are no changes to the alignment of the outer toe of the embankment or to the height of the embankment. Views of the outside slopes of the Western Embankment are limited and largely screened from the nearest residential properties by existing vegetation which will be maintained and reinforced as part of the landscaping for HTR. - Alter the Transition Zone from the Western Embankment to tie in with the Main (Southern) Embankment slopes, providing a graded change between the embankments. As a result of these NMAs, there is no change to the Main (Southern) Embankment beyond the Transition Zone. - Revise the inside slope angles at the northern extent of the Western Embankment to ensure tree G190 located adjacent to the Western Embankment is retained. -Other consequential non-material amendments, including alterations to fencing and gates, the viewing platform, reed beds and amphitheatre

    Submitted 17 Oct 2025 Amendments
  • Havant Thicket Winter Storage Reservoir Manor Lodge Road, Rowlands Castle, Hampshire,

    Details of Scheme and Risk Assessment pursuant to Condition 1 of the Reserved Matters Application (RMA) 51680/011 dated 20 th December 2024 in respect of in respect of Phase 3 (Main Embankment) of Havant Thicket Reservoir

    Submitted 6 Aug 2025 Conditions

Timeline

Dates from the published record

  1. 17 Oct 2025

    Received by East Hampshire

  2. 25 Jul 2026

    Added to PlanIndex

After the decision

East Hampshire has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

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