Worster House Worster Road Cookham Maidenhead SL6 9JG

1. 22 Aug 2025

   Received by Windsor and Maidenhead

2. 9 Sep 2025

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 9 September 2025, 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 Cottage Graham Road Cookham Maidenhead SL6 9JQ

  21/03700/FULL Submitted 20 Dec 2021 50 yards away

  Detached outbuilding.

  Granted Full applications 11 docs

• The Cottage Graham Road Cookham Maidenhead SL6 9JQ

  21/02001/FULL Submitted 28 Jun 2021 50 yards away

  Part single, part two storey rear extension and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 14 docs

• The Cottage Graham Road Cookham Maidenhead SL6 9JQ

  20/03193/FULL Submitted 27 Nov 2020 50 yards away

  Part single part two storey rear extension, 1 No. new first floor side window, 2 No. rooflights to existing roof, flue and detached outbuilding.

  Withdrawn Full applications Extension Loft or dormer +1 12 docs

• 6 Fair View Cottages High Road Cookham Maidenhead SL6 9JE

  21/00895/CPD Submitted 23 Mar 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey side/rear extension and alterations to fenestration is lawful.

  Refused Lawful development Extension Windows or glazing 13 docs
  Small domestic

• 6 - 7 Fair View Cottages High Road Cookham Maidenhead

  21/01804/FULL Submitted 10 Jun 2021 50 yards away

  Single story side/rear extensions.

  Granted Full applications Extension 16 docs

• 7 Fair View Cottages High Road Cookham Maidenhead SL6 9JE

  21/00896/CPD Submitted 23 Mar 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey side/rear extension and alterations to fenestration is lawful.

  Refused Lawful development Extension Windows or glazing 13 docs
  Small domestic

• 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