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Planning application

21/01837/NMA

18 Highfield Road Maidenhead SL6 5DF

Granted Windsor and Maidenhead Non-material Amendment

Proposal

Non material amendments to planning permission 19/02393/FULL varied under 20/03416/VAR to add x2 rooflights to the single storey rear element of both dwellings

As published by the council, reference 21/01837/NMA

Timeline

Dates from the published record

  1. 14 Jun 2021

    Received by Windsor and Maidenhead

  2. 15 Jun 2021

    Validated

    Checked as complete and ready for consideration.

  3. 15 Jul 2021

    Decision issued: Application Permitted

  4. 27 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

  • 26/00476/FULL Granted

    2 Taylors Court Maidenhead SL6 5BZ

    Garage conversion, single storey rear extension, front door replacement and alterations to fenestration.

    23 Feb 2026 47m away Full applications
  • 22/02638/CPD Granted

    5 Fielding Road Maidenhead SL6 5DE

    Certificate of lawfulness to determine whether the proposed single storey side/rear extension is lawful.

    28 Sep 2022 106m away Lawful development
  • 26/00827/CPD Granted

    32 St Marks Crescent Maidenhead SL6 5DG

    Certificate of lawfulness to determine whether the proposed 3no. front roof lights and 1no. rear dormer with 1no. rear rooflight, to facilitate habitable accommodation within the roof space is lawful.

    31 Mar 2026 108m away Lawful development
  • 26/00826/FULL Granted

    32 St Marks Crescent Maidenhead SL6 5DG

    Single storey side/rear extension and alterations to hardstanding to include new steps and 1 no. dropped kerb

    31 Mar 2026 108m away Full applications
  • 22/03244/CLD Granted

    5 Fielding Road Maidenhead SL6 5DE

    Certificate of lawfulness to determine whether the existing detached outbuilding is lawful.

    5 Dec 2022 109m away Lawful development
  • 26/01111/FULL Granted

    60 Alwyn Road Maidenhead SL6 5EL

    Single storey front extension with canopy, single storey side/rear extension, adjustment to ground level and alterations to the external finish and fenestration following the demolition of the existing elements. (Part Retrospective).

    5 May 2026 110m away Full applications

In Windsor and Maidenhead

  • 26/01841/NMA Awaiting decision

    Orchard End Sill Bridge Lane Waltham St Lawrence Reading RG10 0NT

    Non material amendments to planning permission 25/02591/FULL as per covering letter.

    27 Jul 2026 Amendments
  • 26/01843/VAR Awaiting decision

    Orchard End Sill Bridge Lane Waltham St Lawrence Reading RG10 0NT

    Variation (under Section 73) of planning permission 25/02591/FULL to vary the wording of Condition 17 (Ground Sourced Heat Pump).

    27 Jul 2026 Amendments
  • 26/01807/NMA Awaiting decision

    57B And Keeler Ltd Clewer Hill Road Windsor

    Non material amendment to planning permission 25/02014/FULL for alterations to the wording of part D Condition 16.

    24 Jul 2026 Amendments
  • 26/01813/NMA Awaiting decision

    5 Meadow Way Fifield Maidenhead SL6 2PE

    Non material amendments to planning permission 26/00322/FULL to allow NatureSpace to add conditions.

    24 Jul 2026 Amendments
  • 26/01811/NMA Awaiting decision

    Grove Park Industrial Estate Waltham Road White Waltham Maidenhead SL6 3LW

    Non material amendments to planning permission 25/01083/VAR for changes to the proposed elevations and materials to plots 10-11, 15-16, 18-19, 24-25, 26-27, 28-29, 39-41, 42-44 and 45-47 and 48-51.

    24 Jul 2026 Amendments