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Planning application

23/00291/FULL

1 Knights Close Windsor SL4 5QR

Refused Windsor and Maidenhead Full

Proposal

Part single part two storey side/rear extension, garage conversion and alterations to fenestration.

As published by the council, reference 23/00291/FULL

Timeline

Dates from the published record

  1. 2 Feb 2023

    Received by Windsor and Maidenhead

  2. 7 Feb 2023

    Validated

    Checked as complete and ready for consideration.

  3. 3 Apr 2023

    Decision issued: Refuse

  4. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 26/00628/FULL Granted

    2 Marbeck Close Windsor SL4 5RB

    Garage conversion, single storey rear/side extension and first floor side extension, following demolition of existing element

    10 Mar 2026 72m away Full applications
  • 21/01010/FULL Refused

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    1 Apr 2021 88m away Full applications
  • 22/02366/CPD Granted

    4 Marbeck Close Windsor SL4 5RB

    Certificate of lawfulness to determine whether the proposed rear dormer is lawful.

    26 Aug 2022 93m away Lawful development
  • 22/02371/PDXL Granted

    4 Marbeck Close Windsor SL4 5RB

    Single storey rear extension no greater than 6.00m in depth, 2.95m high with an eaves height of 2.95m.

    26 Aug 2022 94m away Prior approval
  • 22/03261/FULL Granted

    72 Gallys Road Windsor SL4 5RA

    Part single part two storey wraparound extension (front, side and rear), following demolition of the existing garage.

    6 Dec 2022 105m away Full applications
  • 25/03347/FULL Awaiting decision

    Land At 5 And 5 Marbeck Close Windsor

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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