Callums Winter Hill Cookham Maidenhead SL6 9TU

1. 12 Jul 2021

   Received by Windsor and Maidenhead

2. 2 Sep 2021

   Decision issued: Permitted Development

3. 3 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 2 September 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.

• Beechwood Winter Hill Cookham Maidenhead SL6 9TT

  21/01324/CPD Submitted 28 Apr 2021 100 yards away

  Certificate of lawfulness to determine whether the erection of a pool utility room adjacent to an existing swimming pool within the curtilage of the dwelling house is lawful.

  Withdrawn Lawful development 9 docs
  Domestic

• Beechwood Winter Hill Cookham Maidenhead SL6 9TT

  21/01777/CPD Submitted 8 Jun 2021 100 yards away

  Certificate of lawfulness to determine whether the proposed 2no. outbuildings are lawful.

  Withdrawn Lawful development 11 docs

• Beechwood Winter Hill Cookham Maidenhead SL6 9TT

  22/00030/CPD Submitted 10 Jan 2022 100 yards away

  Certificate of lawfulness to determine whether the proposed outbuilding is lawful.

  Granted Lawful development 13 docs

• Grahames Dean Lane Cookham Maidenhead SL6 9BD

  22/02068/FULL Submitted 28 Jul 2022 100 yards away

  New carport and storage building, following demolition of the existing garage.

  Granted Full applications Demolition 11 docs

• Coromandel Dean Lane Cookham Maidenhead SL6 9BB

  20/00290/FULL Submitted 4 Feb 2020 100 yards away

  New front entrance, single storey side/rear extension, roof extension to provide habitable accommodation, alterations to fenestration and new external finish.

  Granted Full applications Extension Windows or glazing 15 docs
  Small domestic

• White House Winter Hill Cookham Maidenhead SL6 9TU

  20/01733/CONDIT Submitted 15 Jul 2020 100 yards away

  Details required by condition 5 (bird boxes) of planning permission 20/00393 for a single storey front/side/rear extension with integrated garage, 2 No. new rear dormers, addition of timber cladding to existing gables, front, side and rear canopies, alterations to fenestration and new flue following demolition of existing outbuilding and garage.

  Granted Conditions Extension Loft or dormer +2 4 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