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Planning application

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

Granted Three Rivers 26/0599/NMA Non Material Amendments

Works: Extension

Relates to 25/0743/RSP

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Non material amendment to planning permission 25/0743/RSP (prefabricated 'portacabins' for use as a school in association with on site filming activities for a temporary period) to allow for extension to second floor and addition of third floor.

As published by the council, reference 26/0599/NMA

Application record

Reference
26/0599/NMA
Type
Non Material Amendments
Status
Decided
Decision
Granted As published: approved
Received
15 Apr 2026
Validated
15 Apr 2026
Decided
30 Apr 2026
Ward
Leavesden
Parish
Abbots Langley Parish Council
Decision by
Delegated Decision
Postcode
WD25 7LP

Site history

Applications at this address on the Three Rivers register

This site has had 27 applications since 2020: 18 approved, 0 refused.

  • 26/1400/RSP Awaiting decision

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

    Retrospective application: Construction of a temporary stage for filming purposes.

    Submitted 2 Sep 2026 Amendments
  • 26/1390/NAC Granted

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

    Neighbouring Authority Consultation: Part retrospective application for existing and extension of the acoustic timber fence on Backlot 2.

    Decided 14 Sep 2026
  • 26/1298/FUL Granted

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

    Part Retrospective: Retention and extension of the existing acoustic timber fence on Backlot 2.

    Decided 7 Oct 2026 Full applications
  • 26/1089/NMA Decided

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

    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.

    Submitted 7 Jul 2026 Amendments
  • 26/0963/FUL Decided

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

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

    Submitted 12 Jun 2026 Full applications
  • 26/0789/NMA Decided

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

    Non-material amendment pursuant to planning permission 25/1545/FUL to allow Erection of 2no. access ladders and a change to the placement of the proposed signage.

    Submitted 15 May 2026 Amendments
  • 26/0781/NAC Granted

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

    Neighbouring Authority Consultation: Watford Borough Council - Details submitted for Condition 23 (partial discharge phase 1 Surface Water Drainage) pursuant to planning permission 23/01023/VARM

    Decided 8 Jun 2026 Outline
  • 26/0719/DIS Decided

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

    Discharge of condition 25 (SuDS - Management and Maintenance Plan - Phases 3, 5 and 8) pursuant to planning permission 25/1308/FUL

    Decided 28 May 2026 Conditions
  • 26/0151/FUL Granted

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

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

    Decided 12 Oct 2026 Full applications
  • 25/2006/DIS Decided

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

    Discharge of Conditions 4 (Drainage - Construction Drawings and Details) and 5 (SuDS Management and Maintenance) pursuant to planning permission 25/1503/RSP

    Decided 8 Dec 2025 Conditions

Timeline

Dates from the published record

  1. 15 Apr 2026

    Received by Three Rivers

  2. 30 Apr 2026

    Decision issued: approved

  3. 19 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/0743/RSP Granted

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

    Part Retrospective: Temporary use of land for the siting of prefabricated 'portacabins' for use as a school in association with on site filming activities, together with associated infrastructure.

    Decided 11 Jul 2025 Amendments

Documents

Plans, drawings, consultee responses and the officer's report

7 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Three Rivers granted permission on 30 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

Nearby applications

Within 0.3 miles

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

    25/2006/DIS Submitted 19 Nov 2025 50 yards away

    Discharge of Conditions 4 (Drainage - Construction Drawings and Details) and 5 (SuDS Management and Maintenance) pursuant to planning permission 25/1503/RSP

    Decided Conditions 7 docs

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

    23/1953/FUL Submitted 20 Nov 2023 50 yards away

    Extension of the existing Post Room and associated ancillary works

    Granted Full applications Extension 15 docs

  • 69 Offord Grove Leavesden Watford Hertfordshire WD25 7NF

    23/1232/CWC Submitted 10 Jul 2023 50 yards away

    Confirmation of compliance with conditions pursuant to 10/2230/OUT 'Outline Application: For the construction of up to 425 dwellings, flexible mixed use centre comprising 2,350 sqm of A1, A2, A3, A5 and D1 uses, hotel (8,500 sqm), and associated parking, means of access and associated infrastructure works and use of agricultural land (The Horse field) and the former Furtherfield tip for public open space. (Matters reserved: Appearance, Landscaping, Layout and Scale)'

    Decided Conditions 2 docs
    Major scheme

  • 61 Offord Grove Leavesden Hertfordshire WD25 7NF

    22/1405/FUL Submitted 22 Jul 2022 50 yards away

    Single storey rear extension

    Granted Full applications Extension 10 docs
    Small domestic

  • 61 Offord Grove Leavesden WD25 7NF

    21/1426/FUL Submitted 3 Jun 2021 50 yards away

    Single storey rear extension

    Granted Full applications Extension 9 docs
    Small domestic

  • 59 Offord Grove Leavesden Hertfordshire WD25 7NF

    22/0766/FUL Submitted 22 Apr 2022 100 yards away

    Single storey rear extension.

    Granted Full applications Extension 9 docs
    Small domestic

In Three Rivers

  • 26/1657/NMA Awaiting decision

    123 High Street Rickmansworth Hertfordshire WD3 1AN

    Non-Material Ammendemts to planning permission 26/1091/FUL to allow alteration to design of combined defibrillator and bleed kit cabinet.

    Received 19 Oct, published by the council 20 Oct 2026 Amendments
  • 26/1580/NMA Awaiting decision

    12 Fulford Grove South Oxhey Watford Hertfordshire WD19 7QG

    Non-Material Amendments to planning permission 26/0703/FUL to allow the approved bunker to change location

    5 Oct 2026 Amendments
  • 26/1478/NMA Granted

    12 Raglan Gardens Oxhey Hall Watford Hertfordshire WD19 4LL

    Non-material amendment to planning permission 26/0793/FUL to allow a reduction in size to the approved first-floor side extension.

    Received 16 Sep, published by the council 17 Sep 2026 Amendments
  • 26/1481/NMA Decided

    No. 3 - 6 Wolsey Business Park Tolpits Lane Watford Hertfordshire WD3 9BL

    Non Material Amendments to planning permission 24/1137/FUL to allow alterations to the landscaping and fencing

    Received 17 Sep, published by the council 18 Sep 2026 Amendments
  • 26/1406/NMA Awaiting decision

    Land Adjacent Fortunes Farm High Elms Lane Abbots Langley Hertfordshire

    Non Material amendment to planning permission 25/0896/FUL: To allow the repositioning of parking at plot 64

    Received 3 Sep, published by the council 9 Sep 2026 Amendments