2 Island Cottages Stanwell Road Horton Slough SL3 9PQ

1. 29 Dec 2025

   Received by Windsor and Maidenhead

2. 14 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Mar 2026

   Decision issued: Refuse

4. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Trevescan Stanwell Road Horton Slough SL3 9PE

  20/00001/CPD Submitted 2 Jan 2020 100 yards away

  Certificate of lawfulness to determine whether the proposed rear dormer, 1 No. rear rooflight and 1 No. side first floor window to create additional habitable loft space and part change of side elevation from clay tiles to painted pebbledash is lawful.

  Granted Lawful development Loft or dormer Windows or glazing 13 docs

• Trevescan Stanwell Road Horton Slough SL3 9PE

  20/01286/CPD Submitted 4 Jun 2020 100 yards away

  Certificate of lawfulness to determine whether the proposed enlargement of the existing rear dormer, x2 front rooflights, x1 dormer to both side elevations to enlarge the existing first floor accommodation, following removal of the existing front dormer and both side chimney breasts is lawful.

  Granted Lawful development Loft or dormer 10 docs

• The Firs Mill Lane Horton Slough SL3 9PN

  21/01100/FULL Submitted 8 Apr 2021 100 yards away

  Part single part two storey side/rear extension to create x1 dwelling, following demolition of the existing garage.

  Refused Full applications Extension Demolition 23 docs
  Domestic

• The Firs Mill Lane Horton Slough SL3 9PN

  20/01906/FULL Submitted 30 Jul 2020 100 yards away

  Two storey side/rear extension to create x1 dwelling, following demolition of the existing garage.

  Withdrawn Full applications Extension Demolition 15 docs
  Domestic

• The Firs And Land At The Firs Mill Lane Horton Slough

  20/02941/FULL Submitted 4 Nov 2020 100 yards away

  Two storey side extension following the demolition of the existing garage.

  Granted Full applications Extension Demolition 15 docs

• The Firs Mill Lane Horton Slough SL3 9PN

  20/01598/CPD Submitted 3 Jul 2020 100 yards away

  Certificate of lawfulness to determine whether the proposed side dormer to facilitate a loft conversion is lawful.

  Granted Lawful development Loft or dormer 10 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
• 26/01977/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