11 Highfields Ascot SL5 0BA

1. 9 Mar 2026

   Received by Windsor and Maidenhead

2. 15 Apr 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 15 April 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.

• The Buckingham 14 Holly Hill Drive Ascot SL5 0FF

  23/02035/FULL Submitted 17 Aug 2023 50 yards away

  Single storey side/rear extension.

  Granted Full applications Extension 12 docs
  Small domestic

• The Buckingham 14 Holly Hill Drive Ascot SL5 0FF

  26/00818/VAR Submitted 30 Mar 2026 50 yards away

  Variation (under Section 73) of Condition 3 (Approved Plans) to substitute those plans approved under 24/00564/FULL for a single storey side/rear extension with new steps and new chimney with amended plans.

  Withdrawn Amendments Extension 8 docs
  Small domestic

• 62 Park Crescent Ascot SL5 0AY

  21/00169/FULL Submitted 21 Jan 2021 100 yards away

  First floor rear extension and alterations to fenestration

  Granted Full applications Extension Windows or glazing 11 docs

• Bequia The Spinney Sunningdale Ascot SL5 0AS

  26/00197/TPO Submitted 22 Jan 2026 100 yards away

  (T1) Cherry - Fell to ground level. (T2) Birch - Fell to ground level. (G1) Oak Tip reduce low branches to provide a 1.5m clearance from the building and remove any dead branches. (033/2011/TPO)

  Granted Trees 9 docs

• Silverwood House The Spinney Sunningdale Ascot SL5 0AS

  23/01788/TPO Submitted 21 Jul 2023 100 yards away

  T1 - Pinus ayacahute tree - fell (002/2001/TPO).

  Withdrawn Trees 11 docs

• Silverwood House The Spinney Sunningdale Ascot SL5 0AS

  21/02560/TPO Submitted 19 Aug 2021 100 yards away

  Pinus Ayacahute - fell (TPO 2 of 2001)

  Granted Trees 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• 26/01954/CPD Withdrawn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