138 Clewer Hill Road Windsor SL4 4DB

1. 3 Oct 2025

   Received by Windsor and Maidenhead

2. 20 Oct 2025

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 20 October 2025, 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.

• 132 Clewer Hill Road Windsor SL4 4DA

  20/00526/FULL Submitted 28 Feb 2020 50 yards away

  Single storey rear extension.

  Granted Full applications Extension 23 docs
  Small domestic

• 136 Clewer Hill Road Windsor SL4 4DB

  20/03260/FULL Submitted 30 Nov 2020 50 yards away

  Extension of existing detached garage and alteration to existing roof.

  Granted Full applications Extension 9 docs

• Land At 20 Firs Avenue Windsor

  22/02182/FULL Submitted 9 Aug 2022 50 yards away

  The erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Full applications 55 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00338/CONDIT Submitted 8 Feb 2023 50 yards away

  Details required by Condition 2 (Acoustics) of Planning Permission 22/02182 for the erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Conditions 7 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00280/CONDIT Submitted 2 Feb 2023 50 yards away

  Details required by Condition 3 (Biodiversity Enhancements) of Planning Permission 22/02182/FULL for the erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Conditions 3 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00272/NMA Submitted 1 Feb 2023 50 yards away

  Non material amendments to planning permission 22/02182/FULL for alterations to the ground floor rear elevation to replace the door and window with a combined door and windows.

  Granted Amendments Windows or glazing 5 docs

• 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