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Planning application

21/01603/FULL

29 Holly Crescent Windsor SL4 5SL

Granted Windsor and Maidenhead Full

Proposal

Single storey rear extension, x1 new door to rear elevation and alteration to fenestration.

As published by the council, reference 21/01603/FULL

Timeline

Dates from the published record

  1. 24 May 2021

    Received by Windsor and Maidenhead

  2. 25 May 2021

    Validated

    Checked as complete and ready for consideration.

  3. 19 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 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

  • 26/01172/FULL Granted

    371 Dedworth Road Windsor SL4 4LB

    Single storey side/rear extension and alterations to fenestration (part retrospective).

    11 May 2026 106m away Full applications
  • 22/03307/FULL Granted

    1 Holly Crescent Windsor SL4 5SL

    Garage conversion, single storey rear extension, first floor side extension and alterations to fenestration.

    12 Dec 2022 111m away Full applications
  • 26/00483/FULL Refused

    1 Orchard Lea Villas Dedworth Road Windsor SL4 4LD

    Single storey rear extension and rear patio following the demolition of the existing side and rear walls.

    23 Feb 2026 113m away Full applications
  • 21/01359/FULL Granted

    3 Orchard Lea Villas Dedworth Road Windsor SL4 4LD

    Single storey rear extension with 4 No. rooflights following demolition of existing outbuilding.

    4 May 2021 115m away Full applications
  • 21/01846/CPD Refused

    7 Reed Way Windsor SL4 5FZ

    Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

    14 Jun 2021 122m away Lawful development
  • 24/02228/FULL Granted

    2 Homers Road Windsor SL4 5RG

    Ground floor front extension, first floor side/rear extension and alterations to fenestration.

    13 Sep 2024 123m 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