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 64m 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 64m 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  Withdrawn Amendments Extension 8 docs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 71m 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 71m 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 80m 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  Withdrawn Trees 11 docs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 82m away

  Pinus Ayacahute - fell (TPO 2 of 2001)

  Granted Trees 10 docs

• 26/01743/CPD Refused

  1 Aston Mead Windsor SL4 5PW

  Certificate of lawfulness to determine whether the proposed replacement single storey rear extension is lawful.

  Received 16 Jul, published by the council 31 Jul 2026 Lawful development
• 26/01828/CPU Granted

  Concorde Park Concorde Road Maidenhead SL6 4FJ

  Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01853/CPU Granted

  20 Craufurd Rise Maidenhead SL6 7LS

  Certificate of lawfulness to determine whether the proposed use of a room on the ground floor as private hire operators licence is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01781/CPD Refused

  163 Arthur Road Windsor SL4 1RZ

  Certificate of lawfulness to determine whether the proposed rear L shaped dormer with Juliet balcony and new air source heat pump are lawful.

  Received 21 Jul, published by the council 27 Jul 2026 Lawful development
• 26/01553/CLU Granted

  64 Priors Way Maidenhead SL6 2EN

  Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

  Received 24 Jun, published by the council 25 Jul 2026 Lawful development