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Planning application

23/00339/FULL

The Timbers Altwood Close Maidenhead SL6 4PP

Granted Windsor and Maidenhead Full

Proposal

Garage conversion with new roof, single storey front extension, part single, part two storey rear extension, new Juliet balcony to the side elevation and alterations to fenestration following the demolition of the single storey elements.

As published by the council, reference 23/00339/FULL

Timeline

Dates from the published record

  1. 8 Feb 2023

    Received by Windsor and Maidenhead

  2. 4 Apr 2023

    Decision issued: Application Permitted

  3. 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 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

  • 22/03042/OUT Refused

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    15 Nov 2022 176m away Outline
  • 22/02672/FULL Granted

    16 Lees Close Maidenhead SL6 4NU

    First floor side extension and alteration of the flat roof to a pitch roof at first floor.

    30 Sep 2022 180m away Full applications
  • 22/03411/CPD Granted

    40 Lees Gardens Maidenhead SL6 4NN

    Certificate of lawfulness to determine whether the proposed 2no. front rooflights, 1no. rear dormer and 2no. side rooflights to facilitate a loft conversion is lawful.

    28 Dec 2022 237m away Lawful development
  • 24/02295/CLAMA Granted

    Vandervell House Vanwall Business Park Vanwall Road Maidenhead SL6 4UB

    Prior approval for the change of use from office building (Class E) to residential (Class C3) for 31no. dwellings.

    20 Sep 2024 239m away Prior approval
  • 26/01005/TPO Withdrawn

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    22 Apr 2026 250m away Trees
  • 26/01488/PT20AA Awaiting decision

    Vanwall Residences Vanwall Road Maidenhead SL6 4GH

    Application for prior approval for construction of one additional storey to the building to provide 16 additional dwellings.

    17 Jun 2026 258m away

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