8 Ashbrook Road Old Windsor Windsor SL4 2LS

1. 16 Aug 2021

   Received by Windsor and Maidenhead

2. 1 Oct 2021

   Decision issued: Permitted Development

3. 16 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 1 October 2021, 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 Keppel Spur Old Windsor Windsor SL4 2LU

  21/00801/FULL Submitted 16 Mar 2021 50 yards away

  Single storey side/rear extension with new mono pitched roof to front porch.

  Granted Full applications Extension 14 docs
  Small domestic

• 7 Keppel Spur Old Windsor Windsor SL4 2LU

  26/01224/CPD Submitted 14 May 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer, 2no. front rooflights and 1no. window to side elevation to accommodate a loft conversion are lawful.

  Refused Lawful development Loft or dormer Windows or glazing 18 docs

• 7 Keppel Spur Old Windsor Windsor SL4 2LU

  26/01711/CPD Submitted 10 Jul 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer, 2no. front rooflights and 1no. window to the side gable to accommodate a loft conversion are lawful.

  Granted Lawful development Loft or dormer Windows or glazing 17 docs

• 4 Keppel Spur Old Windsor Windsor SL4 2LU

  23/00214/FULL Submitted 25 Jan 2023 50 yards away

  New front porch, part single, part two storey side/rear extension and alterations to fenestration.

  Refused Full applications Extension Windows or glazing 13 docs
  Small domestic

• 13 Keppel Spur Old Windsor Windsor SL4 2LU

  22/02425/TPO Submitted 2 Sep 2022 50 yards away

  T2 - Ash - removal of dead branches, crown lift to 8m above ground, crown reduction by 2m to nearest growth point, T4 - Oak - removal of dead branches, crown lift to 5.5m above ground, crown reduction by 2m to nearest growth point, branches encroaching on property to be cut back to leave a clearance of 2m (041/2004/TPO)

  Granted Trees 8 docs

• 15 Ashbrook Road Old Windsor Windsor SL4 2LT

  20/01647/FULL Submitted 8 Jul 2020 50 yards away

  Single storey front extension.

  Granted Full applications Extension 8 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