23 Holly Crescent Windsor SL4 5SL

1. 22 Dec 2025

   Received by Windsor and Maidenhead

2. 13 Feb 2026

   Decision issued: Application Permitted

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 13 February 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.

• 29 Holly Crescent Windsor SL4 5SL

  21/01603/FULL Submitted 24 May 2021 50 yards away

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

  Granted Full applications Extension Windows or glazing 7 docs
  Small domestic

• Maylands 404 Dedworth Road Windsor SL4 4JY

  21/03784/FULL Submitted 31 Dec 2021 50 yards away

  Single storey side/rear extension and alterations to fenestration, following demolition of the existing garage and shed.

  Granted Full applications Extension Demolition +1 11 docs
  Small domestic

• 48 Pierson Road Windsor SL4 5RF

  20/00263/FULL Submitted 3 Feb 2020 50 yards away

  Alterations to the existing single storey rear element comprising of fenestration changes, x1 new rooflight and replacement roof including extended eaves.

  Granted Full applications Loft or dormer Roofing +1 9 docs
  Small domestic

• 1 Helen Cottages Dedworth Road Windsor SL4 4JZ

  23/00984/CPD Submitted 21 Apr 2023 50 yards away

  Certificate of lawfulness to determine whether the proposed 2 no. front rooflights and rear dormer to facilitate a loft conversion is lawful.

  Granted Lawful development Loft or dormer 13 docs

• 1 Helen Cottages Dedworth Road Windsor SL4 4JZ

  23/00990/FULL Submitted 21 Apr 2023 50 yards away

  Part single/part two storey rear extension.

  Withdrawn Full applications Extension 19 docs

• 371 Dedworth Road Windsor SL4 4LB

  26/01172/FULL Submitted 11 May 2026 100 yards away

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

  Granted Full applications Extension Windows or glazing 18 docs
  Small domestic

• 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
• 26/01977/FULL Granted

  9 St Marks Place Windsor SL4 3BG

  Garage conversion and alterations to fenestration.

  Received 11 Aug, published by the council 24 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