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Planning application

18 St Marks Place Windsor SL4 3BG

Granted Windsor and Maidenhead 20/03346/FULL Full

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey side and rear extensions following demolition of existing single storey rear extension

As published by the council, reference 20/03346/FULL

Application record

Reference
20/03346/FULL
Type
Full
Status
Decided
Decision
Application Permitted
Received
11 Dec 2020
Validated
23 Dec 2020
Decided
3 Mar 2021
Ward
Eton And Castle
Parish
Windsor Unparished
Decision by
Delegated
Postcode
SL4 3BG

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2020: 2 approved, 0 refused.

  • 22/00059/CPD Granted

    18 St Marks Place Windsor SL4 3BG

    Certificate of lawfulness to determine whether the proposed detached outbuilding (measuring 4.3m by 1.8m with a height of 2.5m) is lawful.

    Decided 28 Mar 2022 Lawful development

Timeline

Dates from the published record

  1. 11 Dec 2020

    Received by Windsor and Maidenhead

  2. 23 Dec 2020

    Validated

    Checked as complete and ready for consideration.

  3. 3 Mar 2021

    Decision issued: Application Permitted

  4. 12 Sep 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

20 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 3 March 2021, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 18 St Marks Place Windsor SL4 3BG

    22/00059/CPD Submitted 10 Jan 2022 0m away

    Certificate of lawfulness to determine whether the proposed detached outbuilding (measuring 4.3m by 1.8m with a height of 2.5m) is lawful.

    Granted Lawful development 6 docs

  • 17 Queens Road Windsor SL4 3BQ

    26/00873/FULL Submitted 7 Apr 2026 21m away

    Single storey side/rear extension

    Granted Full applications Extension 10 docs
    Small domestic

  • 17 Queens Road Windsor SL4 3BQ

    23/00753/FULL Submitted 24 Mar 2023 21m away

    Single storey side/rear extension

    Granted Full applications Extension 13 docs
    Small domestic

  • 17 Queens Road Windsor SL4 3BQ

    23/00646/VAR Submitted 14 Mar 2023 21m away

    Variation (under Section 73) of planning permission 20/00908/FULL to vary the wording of Condition 1 (Commencement - Full Application 3 Years).

    Withdrawn Amendments 6 docs

  • 21 Queens Road Windsor SL4 3BQ

    26/01662/FULL Submitted 8 Jul 2026 26m away

    71% historically approved · decision due ~1 Oct

    Single storey rear extension and alterations to fenestration.

    Awaiting decision Full applications Extension Windows or glazing 14 docs
    Small domestic

  • 21 Queens Road Windsor SL4 3BQ

    21/02952/FULL Submitted 4 Oct 2021 27m away

    Single storey side extension, x2 rear L-shaped dormer and alterations to fenestration.

    Refused Full applications Extension Loft or dormer +1 18 docs
    Small domestic

In Windsor and Maidenhead

  • 26/00980/FULL Granted

    19 Linchfield Road Datchet Slough SL3 9NA

    Single storey rear extension

    21 Apr 2026 Full applications
  • 26/01706/FULL Granted

    Loraine 36 Forlease Road Maidenhead SL6 1RU

    Single storey rear extension to the main dwelling, partial demolition to existing garage with a relocated door, alterations to the patio and new steps

    13 Jul 2026 Full applications
  • 26/01675/FULL Granted

    59 Grove Road Windsor SL4 1HT

    Increase in height of the existing side boundary brick wall following the removal of the existing timber fencing and a reduction in height and new railings to the existing front/side boundary wall.

    9 Jul 2026 Full applications
  • 26/01265/FULL Granted

    107 Slough Road Datchet Slough SL3 9AQ

    Single storey rear extension and alterations to fenestration following the demolition of the existing rear element.

    20 May 2026 Full applications
  • 26/01700/FULL Granted

    4 Dhoon Rise Maidenhead SL6 1BS

    Garage conversion, front bay window and a single storey front/side extension.

    13 Jul 2026 Full applications