151 Courthouse Road Maidenhead SL6 6HY

1. 7 Jan 2026

   Received by Windsor and Maidenhead

2. 12 Feb 2026

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 12 February 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.

• 153 Courthouse Road Maidenhead SL6 6HY

  26/00452/PDXL Submitted 20 Feb 2026 50 yards away

  Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves height of 3.00m, alterations to the existing roof, external finish and fenestration and removal of the existing 2no. rear dormers, single storey rear extension and detached garage.

  Granted Prior approval Extension Loft or dormer +1 9 docs
  Small domestic

• 153 Courthouse Road Maidenhead SL6 6HY

  26/00453/CPD Submitted 20 Feb 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed 2no. front rooflights, hip to gable and 1no. rear dormer following the removal of the existing first floor rear element is lawful.

  Granted Lawful development Loft or dormer 7 docs

• 159 Courthouse Road Maidenhead SL6 6HY

  23/00355/FULL Submitted 9 Feb 2023 50 yards away

  First floor rear extension, hip to gable, 1no. rear dormer and alterations to fenestration.

  Refused Full applications Extension Loft or dormer +1 15 docs

• 165 Courthouse Road Maidenhead SL6 6HX

  22/01209/NMA Submitted 5 May 2022 100 yards away

  Non material amendments to planning permission 20/01943/FULL for an increase in depth to the single storey rear extension.

  Refused Amendments Extension 6 docs
  Small domestic

• 165 Courthouse Road Maidenhead SL6 6HX

  20/01943/FULL Submitted 3 Aug 2020 100 yards away

  Single storey rear extension, raising of the eaves to the existing single storey rear element to form a flat roof with parapet wall and roof lantern, new render and alterations to fenestration, following part demolition of the existing single storey rear element.

  Granted Full applications Extension Demolition +1 12 docs
  Small domestic

• 165 Courthouse Road Maidenhead SL6 6HX

  22/01438/FULL Submitted 27 May 2022 100 yards away

  Part garage conversion and alterations to the existing single storey rear element comprising of; single storey side/rear extension, raising of the eaves, new parapet wall, new flat roof and x1 roof lantern and alterations to fenestration and to external finishes, following removal of the existing part pitched roof and bay window to the existing single storey rear element.

  Granted Full applications Extension Windows or glazing 12 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