Lavender Cottage 32 Vansittart Road Windsor SL4 5BY

1. 10 Oct 2025

   Received by Windsor and Maidenhead

2. 4 Nov 2025

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 4 November 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.

• 30 Vansittart Road Windsor SL4 5BY

  23/02604/CPD Submitted 20 Oct 2023 50 yards away

  Certificate of lawfulness to determine whether 1no. detached outbuilding is lawful.

  Refused Lawful development 8 docs

• 91 Duke Street Windsor SL4 1SJ

  20/01835/PDXL Submitted 24 Jul 2020 50 yards away

  Single storey rear extension no greater than 5.90m in depth, 3.00m high with an eaves height of 3.00m.

  Granted Prior approval Extension 9 docs
  Small domestic

• 89 Duke Street Windsor SL4 1SJ

  20/01901/VAR Submitted 30 Jul 2020 50 yards away

  Variation (under Section 73) of condition 1 (commencement) as approved under 17/01895/FULL for single storey rear extension.

  Withdrawn Amendments Extension 5 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  21/01091/PDXL Submitted 8 Apr 2021 50 yards away

  Single storey rear extension no greater than 6.00m in depth, 3.60m high with an eaves height of 3.30m.

  Refused Prior approval Extension 14 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  22/01914/CPD Submitted 14 Jul 2022 50 yards away

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

  Granted Lawful development Extension 9 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  21/02066/CPD Submitted 5 Jul 2021 50 yards away

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

  Refused Lawful development Extension 10 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• 26/01954/CPD Withdrawn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