Dower House Cottage Crimp Hill Old Windsor Windsor SL4 2HL

This site has had 2 applications since 2023: 2 approved, 0 refused.

• 25/02434/CONDIT Granted

  Dower House Cottage Crimp Hill Old Windsor Windsor SL4 2HL

  Details required by Condition 4 (Biodiversity enhancements) of planning permission 25/01397/FULL for a Single storey side/rear extension with sedum roof, 1no. front dormer, alterations to fenestration, infill and conversion of existing courtyard to habitable accommodation ancillary to the main dwelling, external alterations to existing garage, new swimming pool, hardstanding, sunken septic tank and soakaway following the removal of the existing elements.

  Decided 29 Oct 2025 Conditions

1. 6 Sep 2023

   Received by Windsor and Maidenhead

2. 7 Sep 2023

   Validated

   Checked as complete and ready for consideration.

3. 30 Oct 2023

   Decision issued: Permitted Development

4. 8 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 30 October 2023, 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.

• Dower House Cottage Crimp Hill Old Windsor Windsor SL4 2HL

  25/02434/CONDIT Submitted 18 Sep 2025 50 yards away

  Details required by Condition 4 (Biodiversity enhancements) of planning permission 25/01397/FULL for a Single storey side/rear extension with sedum roof, 1no. front dormer, alterations to fenestration, infill and conversion of existing courtyard to habitable accommodation ancillary to the main dwelling, external alterations to existing garage, new swimming pool, hardstanding, sunken septic tank and soakaway following the removal of the existing elements.

  Granted Conditions Extension Loft or dormer +1 7 docs
  Small domestic

• Land To South West of Little Dower House Crimp Hill Old Windsor

  21/02878/FULL Submitted 24 Sep 2021 100 yards away

  Change of use of the paddock to an Events Venue with associated parking. (Retrospective).

  Withdrawn Full applications 34 docs

• Dower House Crimp Hill Old Windsor Windsor SL4 2HL

  20/01376/FULL Submitted 12 Jun 2020 100 yards away

  New greenhouse.

  Granted Full applications 12 docs

• 8 Bears Rails Park Old Windsor Windsor SL4 2HN

  20/01865/FULL Submitted 27 Jul 2020 450 yards away

  Single storey rear/side extension, alteration to fenestration following demolition of existing element.

  Granted Full applications Extension Demolition +1 20 docs
  Small domestic

• 12 Bears Rails Park Old Windsor Windsor SL4 2HN

  26/00251/FULL Submitted 29 Jan 2026 0.3 miles away

  Loft conversion and 3no. rear rooflights.

  Granted Full applications Loft or dormer 27 docs

• Street Record Bears Rails Park Old Windsor Windsor SL4 2HN

  22/01316/TPO Submitted 16 May 2022 0.3 miles away

  (T1) Liquidambar - reduce canopy by 25% (G1) Ash - triangle fell all trees and (T2) Manor Ash - crown raise to 6m - 047/1997/TPO.

  Split decision Trees 6 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