Rosemount 145 Whyteladyes Lane Cookham Maidenhead SL6 9LF

1. 4 Jul 2022

   Received by Windsor and Maidenhead

2. 7 Jul 2022

   Validated

   Checked as complete and ready for consideration.

3. 25 Aug 2022

   Decision issued: Permitted Development

4. 4 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 25 August 2022, 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.

• Coatsworth 141 Whyteladyes Lane Cookham Maidenhead SL6 9LF

  21/02664/FULL Submitted 1 Sep 2021 15m away

  Part single/part two storey front extension with canopy and steps, single storey rear extension with canopy, and alteration to fenestration on ground and first floor.

  Granted Full applications Extension Windows or glazing 16 docs
  Small domestic

• 149 Whyteladyes Lane Cookham Maidenhead SL6 9LF

  25/03380/FULL Submitted 22 Dec 2025 16m away

  New front porch, part single part two storey side/rear extension, 1no. flue and alterations to fenestration.

  Refused Full applications Extension Windows or glazing 13 docs
  Small domestic

• 108 Whyteladyes Lane Cookham Maidenhead SL6 9LE

  23/02087/NMA Submitted 23 Aug 2023 90m away

  Non material amendments to planning permission 22/02682/FULL for changes to the internal layout and the removal of a ground floor side window.

  Granted Amendments Windows or glazing 9 docs

• 108 Whyteladyes Lane Cookham Maidenhead SL6 9LE

  22/02682/FULL Submitted 3 Oct 2022 90m away

  Part single, part two storey side/rear extension.

  Granted Full applications Extension 12 docs

• Land At 26 And 26 Spencers Lane Cookham Maidenhead

  25/02970/FULL Submitted 10 Nov 2025 107m away

  Part change of use of land for private garden to 26 Spencers Lane and new boundary treatment.

  Granted Full applications 16 docs

• Fradens 167 Whyteladyes Lane Cookham Maidenhead SL6 9LF

  24/02353/FULL Submitted 30 Sep 2024 118m away

  Single storey rear/side extension

  Granted Full applications Extension 12 docs
  Small domestic

• 26/00501/CPU Refused

  143 Cookham Road Maidenhead SL6 7EU

  Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.

  25 Feb 2026 Lawful development
• 26/01763/CPU Refused

  Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead

  Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.

  17 Jul 2026 Lawful development
• 26/01615/CLU Granted

  Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT

  Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.

  1 Jul 2026 Lawful development
• 26/01581/CLD Granted

  The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead

  Certificate of lawfulness to determine whether the existing bollard is lawful.

  26 Jun 2026 Lawful development
• 26/02117/CPD Awaiting decision

  27 Tyrell Gardens Windsor SL4 4DH

  Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

  26 Aug 2026 Lawful development