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Planning application

21/01544/FULL

43 St Marks Road Windsor SL4 3BD

Refused Windsor and Maidenhead Full

Proposal

Single storey side/rear extension, 2no. front rooflights and 2no. rear linked dormers.

As published by the council, reference 21/01544/FULL

Timeline

Dates from the published record

  1. 18 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: 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

  • 22/02486/TCA Granted

    40 St Marks Place Windsor SL4 3BG

    (T2) Robinia - Reduce entire canopy by up to 1m to leave a height and spread of 5m, reduce low branch over boundary by 1.5m to tertiary points of reduction to clear.

    9 Sep 2022 55m away Trees
  • 24/02081/FULL Withdrawn

    23 St Marks Place Windsor SL4 3BG

    2no. rear dormers 2no. front rooflights and alterations to fenestration.

    27 Aug 2024 92m away Full applications
  • 21/01265/CPD Granted

    3 Hawtrey Road Windsor SL4 3AU

    Certificate of lawfulness to determine whether the proposed single storey rear extension is lawful.

    23 Apr 2021 110m away Lawful development
  • 21/01328/FULL Granted

    24 St Marks Road Windsor SL4 3BE

    Single storey rear extension following demolition of existing rear extension.

    29 Apr 2021 113m away Full applications
  • 23/00221/TPO Granted

    Connaught Court Alma Road Windsor SL4 3GZ

    T1 - Acacia - Reduce the section of the stem growing towards the building by 5-6m. (069/2002/TPO)

    24 Jan 2023 118m away Trees
  • 22/02321/TPO Granted

    Connaught Court Alma Road Windsor SL4 3GZ

    T1 - Acacia - reduce the south west stem by approx. 1.5-2m and remove low stub growing over the road. (069/2002/TPO)

    22 Aug 2022 120m away Trees

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