60 Ashbrook Road Old Windsor Windsor SL4 2NB

1. 9 Mar 2026

   Received by Windsor and Maidenhead

2. 18 Mar 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 18 March 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.

• 1 Warrington Spur Old Windsor Windsor SL4 2NF

  21/01072/FULL Submitted 1 Apr 2021 50 yards away

  Single storey front/side extension and single storey rear extension.

  Granted Full applications Extension 13 docs
  Small domestic

• 79 Kingsbury Drive Old Windsor Windsor SL4 2NH

  26/01640/FULL Submitted 6 Jul 2026 50 yards away

  New hardstanding and drop kerb.

  Granted Full applications 7 docs

• 50 Ashbrook Road Old Windsor Windsor SL4 2NB

  21/01144/CPD Submitted 12 Apr 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed 2no. front rooflights, single storey rear extension and rear dormer is lawful.

  Granted Lawful development Extension Loft or dormer 9 docs
  Small domestic

• 48 Ashbrook Road Old Windsor Windsor SL4 2NB

  20/02340/FULL Submitted 9 Sep 2020 50 yards away

  Single storey front/side extension.

  Granted Full applications Extension 7 docs
  Small domestic

• 16 Kingsbury Drive Old Windsor Windsor SL4 2NQ

  20/01846/FULL Submitted 24 Jul 2020 100 yards away

  Part single/part two storey rear extension and 1 No. first floor side window.

  Granted Full applications Extension Windows or glazing 18 docs

• 16 Kingsbury Drive Old Windsor Windsor SL4 2NQ

  20/01008/FULL Submitted 1 May 2020 100 yards away

  Part single/part two storey rear extension, front porch and 1 No. first floor side window.

  Refused Full applications Extension Windows or glazing 9 docs
  Small domestic

• 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• 26/01954/CPD Withdrawn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