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Planning application

Aldenham Reservoir Aldenham Road Elstree Hertfordshire

Awaiting decision Hertsmere 26/1259/MPO

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Application to modify planning obligation dated 2nd July 2024 to modify the definition of 'substantially commenced' within the Section 106 Agreement secured pursuant to the planning applications for 1) Aldenham Reservoir Safety Improvement Works at the Aldenham Reservoir Dam (application ref. 22/2148/FUL) and 2) Employment Development at Land to the South of Aldenham Reservoir (application ref. 22/2147/OUT).

As published by the council, reference 26/1259/MPO

Application record

Reference
26/1259/MPO
Status
Awaiting decision
Received
1 Sep 2026
Validated
1 Sep 2026

Site history

Applications at this address on the Hertsmere register

This site has had 3 applications since 2026: 2 approved, 0 refused.

  • 26/0373/DOC Granted

    Aldenham Reservoir Aldenham Road Elstree Hertfordshire

    Application for approval of details reserved by condition 6 (hard surfaced areas) of planning permission reference 22/2148/FUL.

    Decided 12 May 2026 Conditions
  • 26/0344/DOC Granted

    Aldenham Reservoir Aldenham Road Elstree Hertfordshire

    Application for approval of details reserved by condition 3 (Site Waste Management Plan) of planning permission reference 22/2148/FUL.

    Decided 28 May 2026 Conditions

Timeline

Dates from the published record

  1. 1 Sep 2026

    Received by Hertsmere

  2. 9 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 27 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hertsmere took a median of 58 days over the applications it decided in the last year.

What happens while it is decided

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere's median decision took 58 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Hertsmere's portal will say. Our guide explains the common types.