21 St Leonards Avenue Windsor SL4 1HX

1. 16 Apr 2021

   Received by Windsor and Maidenhead

2. 19 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 22 Jul 2021

   Decision issued: Application Permitted

4. 27 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 22 July 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.

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.

• 25 St Leonards Avenue Windsor SL4 1HX

  23/01108/FULL Submitted 4 May 2023 50 yards away

  Single storey side/rear extension and alterations to fenestration following conversion of existing conservatory.

  Granted Full applications Extension Windows or glazing 14 docs
  Small domestic

• 20 St Leonards Avenue Windsor SL4 1HX

  22/01925/TCA Submitted 14 Jul 2022 50 yards away

  (T1) Eucalyptus - reduce to previous pruning points, removing approx. 3m of re-growth and (T2) Birch - prune to previous points, removing approx. 1m of re-growth.

  Granted Trees 6 docs

• 26 St Leonards Avenue Windsor SL4 1HX

  23/02146/TCA Submitted 1 Sep 2023 50 yards away

  T1 - Eucalyptus tree - Crown reduction to a final height of 3m.

  Withdrawn Trees 5 docs

• 26 St Leonards Avenue Windsor SL4 1HX

  19/03274/TCA Submitted 22 Nov 2019 50 yards away

  (T1) - Eucalyptus - Remove to source the two lowest limbs over the neighbours garden and crown reduce the rest of the tree by 6m, leaving the tree 9m tall and 6m wide.

  Granted Trees 5 docs

• 26 St Leonards Avenue Windsor SL4 1HX

  20/02607/FULL Submitted 5 Oct 2020 50 yards away

  x2 front rooflights and x1 rear dormer.

  Granted Full applications Loft or dormer 12 docs

• 46 St Leonards Avenue Windsor SL4 1HX

  21/02849/FULL Submitted 22 Sep 2021 50 yards away

  Single storey rear extension following demolition of existing elements.

  Granted Full applications Extension Demolition 13 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