115 Alma Road Windsor SL4 3EU

1. 19 Dec 2022

   Received by Windsor and Maidenhead

2. 3 Mar 2023

   Decision issued: Permitted Development

3. 27 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 3 March 2023, 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 109 Alma Road Windsor SL4 3EU

  26/02150/FULL Submitted 1 Sep 2026 50 yards away

  70% historically approved · decision due ~4 Nov

  L shaped rear dormer with Juliette balcony, new solar panels and alterations to the external finish and fenestration.

  Awaiting decision Full applications Loft or dormer Windows or glazing 16 docs

• Flat 4A Lord Raglan House 132 St Leonards Road Windsor SL4 3DJ

  22/02360/CLU Submitted 26 Aug 2022 50 yards away

  Certificate of lawfulness to determine whether the existing use of flat 4a as a self-contained flat is lawful.

  Granted Lawful development 8 docs

• Lord Raglan House 132 St Leonards Road Windsor SL4 3DJ

  25/02486/PT20A Submitted 23 Sep 2025 50 yards away

  Application for prior approval for construction of one additional storey to building to provide 3no. additional flats.

  Granted New dwelling 22 docs

• Flat 6A Lord Raglan House 132 St Leonards Road Windsor SL4 3DJ

  22/02361/CLU Submitted 26 Aug 2022 50 yards away

  Certificate of lawfulness to determine whether the existing use of flat 6a as a self-contained flat is lawful.

  Granted Lawful development 8 docs

• Flat 8A Lord Raglan House 132 St Leonards Road Windsor SL4 3DJ

  22/02362/CLU Submitted 26 Aug 2022 50 yards away

  Certificate of lawfulness to determine whether the existing use of flat 8a as a self-contained flat is lawful.

  Granted Lawful development 8 docs

• Lord Raglan House 132 St Leonards Road Windsor SL4 3DJ

  26/01208/FULL Submitted 13 May 2026 50 yards away

  Rear extension at ground, first and second floor to enlarge 6 no. flats, alterations to fenestration and new balconies

  Granted Full applications New dwelling Extension +1 29 docs
  Several homes

• 26/02222/CPD Refused

  52 Audley Way Ascot SL5 8EF

  Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

  Received 8 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01954/CPD Withdrawn

  Mulberry House Waltham Road Maidenhead SL6 3NH

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

  Received 7 Aug, published by the council 16 Aug 2026 Lawful development
• 26/01856/CLU Granted

  Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

  Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

  Received 28 Jul, published by the council 24 Aug 2026 Lawful development
• 26/02022/CPD Refused

  14 Church View White Waltham Maidenhead SL6 3JQ

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

  Received 17 Aug, published by the council 2 Sep 2026 Lawful development
• 26/01862/CLU Granted

  Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

  Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

  Received 29 Jul, published by the council 4 Aug 2026 Lawful development