83 Gallys Road Windsor SL4 5QS

1. 15 Jan 2026

   Received by Windsor and Maidenhead

2. 28 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 Mar 2026

   Decision issued: Refuse

4. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 1 Knights Close Windsor SL4 5QR

  22/01993/PDXL Submitted 20 Jul 2022 50 yards away

  Single storey rear extension no greater than 6.00m in depth, 3.00m high with an eaves height of 2.70m.

  Granted Prior approval Extension 7 docs
  Small domestic

• 1 Knights Close Windsor SL4 5QR

  23/00291/FULL Submitted 2 Feb 2023 50 yards away

  Part single part two storey side/rear extension, garage conversion and alterations to fenestration.

  Refused Full applications Extension Windows or glazing 25 docs

• 1 Knights Close Windsor SL4 5QR

  22/02208/FULL Submitted 11 Aug 2022 50 yards away

  Part single/part two storey side/rear extension, garage conversion and alterations to fenestration.

  Refused Full applications Extension Windows or glazing 22 docs

• 80 Gallys Road Windsor SL4 5RA

  19/02857/CPD Submitted 15 Oct 2019 50 yards away

  Certificate of lawfulness to determine whether the proposed x2 front rooflights and x1 rear dormer to facilitate loft conversion is lawful

  Granted Lawful development Loft or dormer 6 docs

• 2 Marbeck Close Windsor SL4 5RB

  26/00628/FULL Submitted 10 Mar 2026 50 yards away

  Garage conversion, single storey rear/side extension and first floor side extension, following demolition of existing element

  Granted Full applications Extension Demolition 26 docs
  Small domestic

• 26 - 26A Knights Close Windsor

  21/00920/FULL Submitted 25 Mar 2021 50 yards away

  New side/rear boundary treatment.

  Withdrawn Full applications 12 docs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