111 Clewer Hill Road Windsor SL4 4DW

1. 5 Mar 2026

   Received by Windsor and Maidenhead

2. 1 May 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 1 May 2026, 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.

• 117 Clewer Hill Road Windsor SL4 4DW

  21/00645/FULL Submitted 3 Mar 2021 50 yards away

  Single storey front/side extension and garage conversion into habitable accommodation.

  Granted Full applications Extension 17 docs
  Small domestic

• 9 Highfield Road Windsor SL4 4DN

  24/02766/FULL Submitted 13 Nov 2024 50 yards away

  Part single part two storey front extension with single storey link extension to existing garage, new pitched roof to existing garage and alterations to fenestration.

  Refused Full applications Extension Windows or glazing 48 docs
  Small domestic

• 9 Highfield Road Windsor SL4 4DN

  25/02461/FULL Submitted 19 Sep 2025 50 yards away

  Part single part two storey front extension with canopy, single storey rear extension, alterations to fenestration and new pitched roof to existing garage following demolition of existing shed.

  Granted Full applications Extension Demolition +1 24 docs
  Small domestic

• 210 Clewer Hill Road Windsor SL4 4DP

  23/01031/FULL Submitted 27 Apr 2023 50 yards away

  Single storey rear extension

  Granted Full applications Extension 10 docs
  Small domestic

• Hilltop First School Clewer Hill Road Windsor SL4 4DW

  23/00519/FULL Submitted 1 Mar 2023 50 yards away

  Detached timber structure

  Granted Full applications 17 docs

• 216 Clewer Hill Road Windsor SL4 4DP

  22/00142/FULL Submitted 20 Jan 2022 50 yards away

  New canopy to the front elevation and alterations to fenestration.

  Granted Full applications Windows or glazing 10 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• 26/01954/CPD Withdrawn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