17 Coworth Close Sunningdale Ascot SL5 0NR

1. 9 Feb 2021

   Received by Windsor and Maidenhead

2. 11 Feb 2021

   Validated

   Checked as complete and ready for consideration.

3. 27 May 2021

   Decision issued: Application Permitted

4. 12 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 27 May 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.

• 16 Coworth Close Sunningdale Ascot SL5 0NR

  26/01044/CPD Submitted 28 Apr 2026 0.1 miles away

  Certificate of lawfulness to determine whether the proposed loft conversion, 1no. rear dormer and 2no. front and 1no. rear rooflights and changes to the fenestration are lawful.

  Granted Lawful development Loft or dormer Windows or glazing 8 docs

• 32 Coworth Close Sunningdale Ascot SL5 0NR

  25/02110/FULL Submitted 18 Aug 2025 0.1 miles away

  Single storey front/side extension to the existing porch and alterations to fenestration following the removal of the existing mono pitched roof and existing elements.

  Granted Full applications Extension Windows or glazing 13 docs
  Small domestic

• 15 Churchfield Cottages Bedford Lane Sunningdale Ascot SL5 0NN

  22/00054/FULL Submitted 11 Jan 2022 0.1 miles away

  Part single/part two storey rear extension, 1x new rooflight and x1 Juliet balcony to front elevation.

  Granted Full applications Extension Loft or dormer 13 docs

• Cherry Tree Cottage Bedford Lane Sunningdale Ascot SL5 0NP

  24/00358/FULL Submitted 9 Feb 2024 0.1 miles away

  Two storey north/east extension, 1no. balcony with external staircase, part raising of the ridge to accommodate a loft conversion and 2no. dormers to east elevation.

  Refused Full applications Extension Loft or dormer 20 docs

• Woodland South of Coworth Park Copse Wood And East of Whitmore Lane Ascot

  22/03382/TPO Submitted 20 Dec 2022 0.1 miles away

  (T1) - Scots Pine - Crown reduce by 2-3m, leaving a final height of 18m and spread of 8m. Ivy removal. (069/2003/TPO and 001/1957/TPO)

  Granted Trees 10 docs

• 27 Churchfield Cottages Bedford Lane Sunningdale Ascot SL5 0NN

  22/01010/FULL Submitted 13 Apr 2022 0.1 miles away

  First floor side/rear extension and enlargement of the existing rear dormer with the installation of a juliet balcony.

  Refused Full applications Extension Loft or dormer 22 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