6 College Avenue Maidenhead SL6 6AJ

1. 16 Dec 2025

   Received by Windsor and Maidenhead

2. 26 Jan 2026

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 26 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.

• 4 College Avenue Maidenhead SL6 6AJ

  26/00670/TPO Submitted 13 Mar 2026 50 yards away

  Purple beech -Crown lift secondary branches to provide a clearance of 1 over the phones lines and 1.5m over the roof of the adjacent buildings. (013/1993/TPO).

  Granted Trees 7 docs

• 3A College Avenue Maidenhead SL6 6AR

  23/00155/TPO Submitted 18 Jan 2023 50 yards away

  T1 Cedar - Tip reduce laterals by up to 3m to a final spread of 12m, Crown thinning by 15% and crown clean. (027/1979/TPO)

  Granted Trees 5 docs

• Claires Court School Senior Girls 1 College Avenue Maidenhead SL6 6AW

  26/02068/FULL Submitted 21 Aug 2026 50 yards away

  70% historically approved · decision due ~16 Nov

  Creation of new staff car park with access from College Avenue

  Awaiting decision Full applications 14 docs

• The Lodge 2B College Avenue Maidenhead SL6 6AJ

  26/01636/FULL Submitted 3 Jul 2026 50 yards away

  70% historically approved · decision due ~3 Sep

  Garage conversion, single storey front extension, single storey side extension, part raising of the ridge, hip to gable, 1no. rear dormer and detached outbuilding ancillary to the main dwelling.

  Awaiting decision Full applications Extension Loft or dormer 13 docs
  Small domestic

• Claires Court School Senior Girls 1 College Avenue Maidenhead SL6 6AW

  25/02520/FULL Submitted 26 Sep 2025 50 yards away

  Outbuilding (Retrospective)

  Granted Full applications 10 docs

• Claires Court School Senior Girls 1 College Avenue Maidenhead SL6 6AW

  25/02523/CLD Submitted 26 Sep 2025 100 yards away

  Certificate of lawfulness to determine whether the existing 2no. outbuildings and gazebo is lawful.

  Granted Lawful development 16 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