May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

This site has had 5 applications since 2025: 3 approved, 1 refused.

• 26/01948/FULL Awaiting decision

  May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  Relocation of the front entrance door, replacement front canopy with 1no. dormer above, single storey rear extension, single storey front/side extension with new steps, 1no. additional side dormer, 1no. rear dormer and alterations to fenestration and external finish following demolition of existing elements.

  Submitted 7 Aug 2026 Full applications
• 25/03367/CPD Granted

  May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  Certificate of lawfulness to determine whether the proposed single storey rear extension with habitable accommodation in the roofspace is lawful.

  Decided 6 Feb 2026 Lawful development
• 25/03029/CPD Granted

  May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  Certificate of lawfulness to determine whether the proposed single storey side extension, single storey rear extension and insertion of 3 no. rooflight windows are lawful.

  Decided 27 Nov 2025 Lawful development
• 25/02166/CPD Refused

  May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  Certificate of lawfulness to determine whether the proposed single storey rear extension, single storey side extension and 4no. rooflights are lawful.

  Decided 17 Oct 2025 Lawful development

1. 28 Apr 2026

   Received by Windsor and Maidenhead

2. 18 Jun 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 18 June 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.

• May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  25/03029/CPD Submitted 17 Nov 2025 0.1 miles away

  Certificate of lawfulness to determine whether the proposed single storey side extension, single storey rear extension and insertion of 3 no. rooflight windows are lawful.

  Granted Lawful development Extension Loft or dormer +1 8 docs
  Small domestic

• May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  25/03367/CPD Submitted 19 Dec 2025 0.1 miles away

  Certificate of lawfulness to determine whether the proposed single storey rear extension with habitable accommodation in the roofspace is lawful.

  Granted Lawful development Extension 7 docs
  Small domestic

• May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  25/02166/CPD Submitted 26 Aug 2025 0.1 miles away

  Certificate of lawfulness to determine whether the proposed single storey rear extension, single storey side extension and 4no. rooflights are lawful.

  Refused Lawful development Extension Loft or dormer 11 docs
  Small domestic

• May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  26/01948/FULL Submitted 7 Aug 2026 0.1 miles away

  71% historically approved · decision due ~2 Oct

  Relocation of the front entrance door, replacement front canopy with 1no. dormer above, single storey rear extension, single storey front/side extension with new steps, 1no. additional side dormer, 1no. rear dormer and alterations to fenestration and external finish following demolition of existing elements.

  Awaiting decision Full applications Extension Loft or dormer +2 14 docs
  Small domestic

• Woods End Grubwood Lane Cookham Maidenhead SL6 9UD

  23/01769/CPD Submitted 20 Jul 2023 0.1 miles away

  Certificate of lawfulness to determine whether the proposed replacement side dormer is lawful.

  Refused Lawful development Loft or dormer 13 docs

• Fernie Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

  22/02843/FULL Submitted 24 Oct 2022 0.1 miles away

  Garage conversion, part two storey, part first floor rear extension and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 13 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