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Planning application

25/00222/NONMAT

350 Cassiobury Drive Watford WD17 3AW

Granted Watford Non-material amendment of PP

Proposal

Non material amendment for proposed raising for roof line by 225mm and including brick courses above the windows pursuant to planning permission 23/01007/FUL.

As published by the council, reference 25/00222/NONMAT

Timeline

Dates from the published record

  1. 10 Mar 2025

    Received by Watford

  2. 12 Mar 2025

    Validated

    Checked as complete and ready for consideration.

  3. 19 May 2025

    Decision issued: Application Granted

  4. 26 Jul 2026

    Added to PlanIndex

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

  • 24/00070/DISCON Decided

    350 Cassiobury Drive Watford WD17 3AW

    Details submitted for Condition 3 (Materials) pursuant to planning permission 23/01007/FUL

    30 Jan 2024 0m away Conditions
  • 22/00554/FULH Refused

    350 Cassiobury Drive Watford Hertfordshire WD17 3AW

    Double storey side and rear extensions with hipped roof detail.

    27 Apr 2022 0m away Householder
  • 23/01007/FUL Decided

    350 Cassiobury Drive Watford WD17 3AW

    Part retrospective application for the demolition of existing dwelling house and erection of a replacement dwelling house (amended drawings received - single storey element amendment at the rear).

    6 Nov 2023 0m away Full applications
  • 26/00324/FULH Awaiting decision

    350 Cassiobury Drive Watford WD17 3AW

    (Retrospective) Erection of single storey rear outbuilding with hipped roof, brick walls and clay plain tile roof. and WC.

    27 Apr 2026 29m away Householder
  • 23/01065/FULH Decided

    91 Harford Drive Watford Hertfordshire WD17 3DQ

    Erection of single storey rear extension

    20 Nov 2023 78m away Householder
  • 22/00186/FULH Decided

    336 Cassiobury Drive Watford Hertfordshire WD17 3AW

    Proposed second floor loft conversion, single storey rear extension, garage conversion and internal alterations, also a first floor front extension.

    11 Feb 2022 98m away Householder

In Watford

  • 26/00492/NONMAT Granted

    19 Pinewood Close Watford WD17 4NP

    Non - material amendment pursuant to planning permission 24/00184/FULH for new juliette balcony on the loft floor side flank of house

    29 Jun 2026 Amendments
  • 26/00502/NONMAT Granted

    The Eight Gardens Phase 2 Land At 94 To 98 St Albans Road And 114 St Albans Road Watford

    Non - material amendment pursuant to planning permission 23/01052/VARM for condition 27 amended drawing balustrade between Blocks S3 and S4

    1 Jul 2026 Amendments
  • 26/00468/NONMAT Granted

    Land At 94 To 98 St Albans Road And 114 St Albans Road Watford

    Non material amendment for proposed change of wording condition 15 (Remediation / Verification) pursuant to planning application 23/01052/VARM

    19 Jun 2026 Amendments
  • 26/00446/NONMAT Granted

    Land Adjacent To 58 Radlett Road Watford WD24 4LL

    Non-material amendment to planning permission 23/01120/FUL and 26/00251/NONMAT for proposed enlargement of first floor rear bay projections.

    12 Jun 2026 Amendments
  • 26/00547/NONMAT Awaiting decision

    50 - 54A Balmoral Road Watford WD24 4EP

    Non-material amendment to planning permission 24/00795/FUL for Rainwater goods - Substitute aluminium for PVCu rainwater goods finished in black

    16 Jul 2026 Amendments