3 Haslemere Road Windsor SL4 5ET

1. 14 Aug 2026

   Received by Windsor and Maidenhead

2. 10 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 5 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided full applications in a median of 64 days. More in our guide to how long planning decisions take.

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.

• 1 Haslemere Road Windsor SL4 5ET

  21/00258/FULL Submitted 1 Feb 2021 50 yards away

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

  Granted Full applications Extension Loft or dormer +1 12 docs
  Small domestic

• 10 Oak Lane Windsor SL4 5EU

  24/02524/CPD Submitted 18 Oct 2024 50 yards away

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

  Granted Lawful development Extension 9 docs
  Small domestic

• 86 Parsonage Lane Windsor SL4 5EN

  26/00348/CPD Submitted 10 Feb 2026 50 yards away

  Certificate of lawfulness to determine whether the 3no. front rooflights, hip to gable and1no. rear dormer with Juliet balcony are lawful.

  Granted Lawful development Loft or dormer 11 docs

• 11 Oak Lane Windsor SL4 5EU

  20/01632/FULL Submitted 7 Jul 2020 50 yards away

  Single storey rear extension and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 16 docs
  Small domestic

• 11 Oak Lane Windsor SL4 5EU

  20/01641/CPD Submitted 7 Jul 2020 50 yards away

  Certificate of lawfulness to determine whether the proposed x3 front rooflights and x1 rear L-shaped dormer to facilitate a loft conversion is lawful.

  Granted Lawful development Loft or dormer 11 docs

• 16 Oak Lane Windsor SL4 5EU

  19/02916/FULL Submitted 21 Oct 2019 50 yards away

  Single storey rear and first floor rear extensions with parapet walls.

  Granted Full applications Extension 12 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