9 St Marks Place Windsor SL4 3BG

1. 11 Aug 2026

   Received by Windsor and Maidenhead

2. 19 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Aug 2026

   Added to PlanIndex

4. 7 Oct 2026

   Decision issued: Application Permitted

Windsor and Maidenhead granted permission on 7 October 2026, 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.

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.

• 11 St Marks Place Windsor SL4 3BG

  22/00172/CPD Submitted 24 Jan 2022 50 yards away

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

  Granted Lawful development Extension 8 docs
  Small domestic

• 11 St Marks Place Windsor SL4 3BG

  21/03537/CPD Submitted 1 Dec 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed garage conversion, single storey rear extension and x1 front rooflight and x1 rear dormer to facilitate a loft conversion is lawful.

  Refused Lawful development Extension Loft or dormer 9 docs
  Small domestic

• 11 St Marks Place Windsor SL4 3BG

  22/01250/FULL Submitted 9 May 2022 50 yards away

  x1 front rooflight and x2 rear rooflights.

  Granted Full applications Loft or dormer 11 docs

• 17 St Marks Place Windsor SL4 3BG

  21/03447/FULL Submitted 22 Nov 2021 50 yards away

  x2 front rooflights and x2 rear dormers.

  Granted Full applications Loft or dormer 12 docs

• 17 St Marks Place Windsor SL4 3BG

  20/01326/FULL Submitted 8 Jun 2020 50 yards away

  Single storey rear extension, alteration to pitched roof including raising of parapet, x1 rear rooflight and alterations to fenestration.

  Granted Full applications Extension Loft or dormer +1 15 docs
  Small domestic

• 5 And 7 St Marks Road Windsor SL4 3BD

  26/00443/TCA Submitted 18 Feb 2026 50 yards away

  (T1) Apple (Malus domestica) - crown reduction back to previous pruning points; (T2) Birch (Betula spp) - reduce lateral growth back to the boundary line and (T3) Cherry (Prunus spp) - crown reduction by approximately one third (circa 1-2 metres).

  Granted Trees 6 docs

• 26/02029/FULL Granted

  5 Kimber Close Windsor SL4 4BJ

  Single storey rear extension.

  Received 17 Aug, published by the council 27 Aug 2026 Full applications
• 26/01955/FULL Granted

  2 Holmlea Road Datchet Slough SL3 9HQ

  Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

  Received 7 Aug, published by the council 27 Aug 2026 Full applications
• 26/01121/FULL Granted

  Zain House 15 Wilton Crescent Windsor SL4 4YJ

  Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

  Received 6 May, published by the council 11 Aug 2026 Full applications
• 26/01804/FULL Granted

  16 Devereux Road Windsor SL4 1JJ

  Installation of air conditioning compressor unit to the first floor side elevation.

  Received 23 Jul, published by the council 24 Aug 2026 Full applications
• 26/01791/FULL Granted

  Thimble Farm Sturt Green Holyport Maidenhead SL6 2JH

  2no. dormers to the northeast elevation and 5no. dormers to southwest elevation to the existing annexes ancillary to the main dwelling.

  Received 22 Jul, published by the council 24 Aug 2026 Full applications