Suite 218 Siena Court Broadway Maidenhead

1. 30 Jan 2020

   Received by Windsor and Maidenhead

2. 19 Feb 2020

   Validated

   Checked as complete and ready for consideration.

3. 15 Apr 2020

   Decision issued: Permitted Development

4. 12 Oct 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 15 April 2020, 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.

• Broadway House 21 Broadway And 42 Queen Street Maidenhead

  20/00449/FULL Submitted 18 Feb 2020 50 yards away

  External alterations.

  Granted Full applications 18 docs

• Broadway House 21 Broadway And 42 Queen Street Maidenhead

  19/03069/CLASSO Submitted 5 Nov 2019 50 yards away

  Class O: Part change of use of the ground floor and change of use of the first and second floor B1(a) (offices) to C3 (dwelling) to create 8no. studios and , 2no. one bedroom apartments.

  Granted Prior approval New dwelling 15 docs
  Domestic

• 50 Queen Street Maidenhead SL6 1QF

  26/02313/FULL Submitted 21 Sep 2026 50 yards away

  70% historically approved · decision due ~4 Dec

  Replacement of external glazed double swing doors with glazed double sliding doors and one glazed shopfront section and security cameras.

  Awaiting decision Full applications Windows or glazing 16 docs

• Development At King Street And Queen Street And Broadway Maidenhead

  21/00908/FULL Submitted 23 Mar 2021 50 yards away

  Continued use of a surface car park and associated works for a temporary period of 3 years to the end of March 2024.

  Granted Full applications 18 docs

• Waterman And Co 30 - 32 Queen Street Maidenhead SL6 1HZ

  20/01991/FULL Submitted 6 Aug 2020 50 yards away

  Part two storey part three storey rear extension, following demolition of the existing single storey rear extension.

  Granted Full applications Extension Demolition 16 docs
  Small domestic

• Waterman And Co 30 - 32 Queen Street Maidenhead SL6 1HZ

  21/02936/CONDIT Submitted 1 Oct 2021 50 yards away

  Details required by condition 3 (construction management plan) of planning permission 20/01991/FULL for part two storey part three storey rear extension, following demolition of the existing single storey rear extension.

  Granted Conditions Extension Demolition 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