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Planning application

23/00112/FULL

17 Keppel Spur Old Windsor Windsor SL4 2LU

Granted Windsor and Maidenhead Full

Proposal

x1 detached outbuilding.

As published by the council, reference 23/00112/FULL

Timeline

Dates from the published record

  1. 16 Jan 2023

    Received by Windsor and Maidenhead

  2. 30 Jan 2023

    Validated

    Checked as complete and ready for consideration.

  3. 24 Mar 2023

    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 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

  • 22/02473/CPD Granted

    17 Keppel Spur Old Windsor Windsor SL4 2LU

    Certificate of lawfulness to determine whether the proposed 2no. front rooflights, 1no. gable window and 1no. rear dormer is lawful.

    9 Sep 2022 0m away Lawful development
  • 22/03080/FULL Refused

    17 Keppel Spur Old Windsor Windsor SL4 2LU

    Detached outbuilding.

    16 Nov 2022 0m away Full applications
  • 22/02424/FULL Refused

    17 Keppel Spur Old Windsor Windsor SL4 2LU

    Detached outbuilding.

    5 Sep 2022 2m away Full applications
  • 26/01110/FULL Granted

    18 Keppel Spur Old Windsor Windsor SL4 2LU

    Single storey rear/side extension following demolition of existing elements.

    5 May 2026 21m away Full applications
  • 22/02425/TPO Granted

    13 Keppel Spur Old Windsor Windsor SL4 2LU

    T2 - Ash - removal of dead branches, crown lift to 8m above ground, crown reduction by 2m to nearest growth point, T4 - Oak - removal of dead branches, crown lift to 5.5m above ground, crown reduction by 2m to nearest growth point, branches encroaching on property to be cut back to leave a clearance of 2m (041/2004/TPO)

    2 Sep 2022 35m away Trees
  • 26/01224/CPD Refused

    7 Keppel Spur Old Windsor Windsor SL4 2LU

    Certificate of lawfulness to determine whether the proposed 1no. rear dormer, 2no. front rooflights and 1no. window to side elevation to accommodate a loft conversion are lawful.

    14 May 2026 47m away Lawful development

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