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Planning application

26/1089/NMA

Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

Granted Three Rivers Non Material Amendments

Proposal

Non-material amendment pursuant to planning permission 25/1308/FUL to allow alterations to Building 18 including alterations to fenestration detail, new canopy element and provision of a mezzanine level.

As published by the council, reference 26/1089/NMA

Timeline

Dates from the published record

  1. 7 Jul 2026

    Received by Three Rivers

  2. 24 Jul 2026

    Added to PlanIndex

  3. 28 Jul 2026

    Decision issued: approved

  4. 30 Jul 2026

    Status changed to Awaiting decision

    Previously Pending Consideration.

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About amendments applications

How this application type works

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

Nearby applications

Within 500 metres

  • 25/1308/FUL Granted

    Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

    Variation of Conditions 11 (A41 Toucan to the Hempstead Road underpass) and 13 (M25 Junction 21a Improvements) of planning permission 23/1897/FUL.

    4 Aug 2025 0m away Full applications
  • 26/0151/FUL Awaiting decision

    Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

    Removal of condition 13 (M25 Junction 21a Improvements) of planning permission 25/1308/FUL

    30 Jan 2026 0m away Full applications
  • 26/0963/FUL Awaiting decision

    Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP

    Extensions to temporary school building in association with on-site filming activities.

    12 Jun 2026 374m away Full applications
  • 21/1408/CLED Refused

    Hunton Park Essex Lane Abbots Langley Hertfordshire WD4 8PN

    Certificate of Lawfulness for Existing Development: Erection of marquee

    2 Jun 2021 463m away Lawful development
  • 25/1423/DIS Decided

    World Of Water Aquatic Centres Ltd Hempstead Road Watford Hertfordshire WD4 8QG

    Discharge of Conditions 15 (Travel Plan Statement), 19 (Cycle Parking), 21 (Parking and Delivery Management Plan) and 24 (No External Lighting) pursuant to planning permission 24/1568/FUL

    22 Aug 2025 480m away Conditions
  • 26/1207/DIS Awaiting decision

    Lidl Great Britain Limited Hempstead Road Watford Hertfordshire

    Discharge of Condition 14 (Highways Improvements) pursuant to planning permission 24/1568/FUL

    28 Jul 2026 480m away Conditions

In Three Rivers

  • 26/1062/NMA Granted

    24 Lynwood Heights Rickmansworth Hertfordshire WD3 4ED

    Non Material Amendments to planning permission 24/1799/RSP to allow alterations to the fenestration and render including change in exterior colour.

    1 Jul 2026 Amendments
  • 26/0845/RSP Granted

    Keepers Cottage Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SU

    Part-Retrospective: Change of use of land for the stationing of caravans for residential purposes.

    26 May 2026 Amendments
  • 25/0488/RSP Granted

    Scotsbridge House Scots Hill Croxley Green Rickmansworth Hertfordshire WD3 3BB

    Part Retrospective: Demolition of offices and erection of new development of 59 flats with associated parking and external landscaping

    19 Mar 2025 Amendments
  • 26/1189/RSP Awaiting decision

    30 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4NY

    Retrospective Application: single storey rear extension

    23 Jul 2026 Amendments
  • 26/0895/RSP Granted

    3 Whitfield Way Mill End Rickmansworth Hertfordshire WD3 8QT

    Retrospective: Construction of single storey rear extension

    2 Jun 2026 Amendments