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Planning application

26/00262/FULL

9 The Crescent Maidenhead SL6 6AA

Granted Windsor and Maidenhead Full

Proposal

Two storey side extension, hip to gable with habitable accommodation within the roof space, 1no. rear dormer and alterations to fenestration following the demolition of the existing elements.

As published by the council, reference 26/00262/FULL

Timeline

Dates from the published record

  1. 30 Jan 2026

    Received by Windsor and Maidenhead

  2. 23 Mar 2026

    Decision issued: Application Permitted

  3. 25 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 full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 22/03342/PT20AA Refused

    InVentiv Health Thames House 17 Marlow Road Maidenhead SL6 7AA

    Application for prior approval for construction of two additional storeys to building providing 33 additional dwellings

    14 Dec 2022 68m away
  • 26/01126/CLAMA Granted

    Thames House 17 Marlow Road Maidenhead SL6 7AA

    Prior approval for the change of use from Commercial, Business and Service (Use Class E) to create 43no. dwellings (Use Class C3).

    7 May 2026 71m away Prior approval
  • 26/01845/TCA Awaiting decision

    30 Castle Hill Maidenhead SL6 4JJ

    (T1) Cedar of Lebanon (Cedrus libani) - removal of two low hanging branches (B1 and B2).

    27 Jul 2026 79m away Trees
  • 22/03070/TCA Granted

    24 Castle Hill Maidenhead SL6 4JJ

    T1 - Eucalyptus - Re pollard at previous pollard knuckles, leaving 25mm stubs. T2 - Cherry - Fell.

    15 Nov 2022 86m away Trees
  • 23/00428/NMA Granted

    22 The Crescent Maidenhead SL6 6AH

    Non material amendments to planning permission 22/01007/FULL for a proposed corner window to replace 1no. window on the rear elevation and re-positioning of the existing French doors on the side elevation.

    17 Feb 2023 86m away Amendments
  • 23/00313/FULL Withdrawn

    16 Castle Hill Maidenhead SL6 4JJ

    New garage and 1no additional parking spaces with enclosure following the demolition of the existing garage.

    6 Feb 2023 96m away Full applications

In Windsor and Maidenhead

  • 26/00962/FULL Granted

    Bonnicut Barn Bonnicut Court 14 High Street Sunningdale Ascot SL5 0NB

    2no. front dormers, part raising of the front elevation to form a parapet wall and terrace, 3no. front rooflights, 3no. rear dormers and alterations to fenestration. (Part Retrospective).

    20 Apr 2026 Full applications
  • 26/01310/FULL Granted

    6 Gilman Crescent Windsor SL4 4YN

    Single storey front/side extension, relocated front door, two storey rear extension, alterations to fenestration and hardstanding, new steps, 1 no. dropped kerb, following demolition of existing elements

    22 May 2026 Full applications
  • 25/03313/FULL Refused

    Land To The South of Lower Mount Farm Long Lane Cookham Maidenhead

    Erection of a crematorium with ceremony hall and memorial arboretum, associated use of land, PV array, vehicular access, parking, landscaping, pavement and road widening along Long Lane.

    15 Dec 2025 Full applications
  • 26/01387/FULL Granted

    7 Elm Road Windsor SL4 3NB

    Single storey rear/side extension

    5 Jun 2026 Full applications
  • 26/00877/FULL Granted

    45 Queens Close Old Windsor Windsor SL4 2PR

    Two storey front/side extension.

    7 Apr 2026 Full applications