Grayrigg Darlings Lane Maidenhead SL6 6PB

1. 21 Oct 2025

   Received by Windsor and Maidenhead

2. 24 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 9 Jan 2026

   Decision issued: Permitted Development

4. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 9 January 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.

• Beauport House Lee Lane Maidenhead SL6 6NU

  22/01833/CLASAA Submitted 6 Jul 2022 50 yards away

  Application for prior approval for construction of one additional storey to property with a maximum height of 3m.

  Granted 13 docs

• Beauport House Lee Lane Maidenhead SL6 6NU

  21/02400/CPD Submitted 3 Aug 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey side extension is lawful.

  Granted Lawful development Extension 8 docs
  Small domestic

• Beauport House Lee Lane Maidenhead SL6 6NU

  22/00877/CLASAA Submitted 29 Mar 2022 50 yards away

  Application for prior approval for construction of one additional storey to the property with a maximum height of 1.05m.

  Refused 8 docs

• Beauport House Lee Lane Maidenhead SL6 6NU

  20/02480/FULL Submitted 23 Sep 2020 50 yards away

  Raising of main ridge to enlarge headroom in loftspace.

  Granted Full applications 13 docs

• Pinkneys Court Darlings Lane Maidenhead SL6 6PB

  22/01166/CPD Submitted 3 May 2022 50 yards away

  Certificate of lawfulness to determine whether the hip to gable loft conversion including installation of 2No pitched roof dormers and 1No roof-light to the side elevation, 1No flat roof dormer and 1No roof-light to the rear elevation, to form additional habitable space is lawful.

  Granted Lawful development Loft or dormer 8 docs
  Domestic

• Pinkneys Court Darlings Lane Maidenhead SL6 6PB

  20/00693/FULL Submitted 17 Mar 2020 50 yards away

  Roof alterations to include hip to gable, raising of the rear roof section and the eaves, 1no. side dormer and alterations to fenestration.

  Withdrawn Full applications Loft or dormer Roofing +1 12 docs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