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 27m 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 27m 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 29m 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 41m 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 48m 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 61m away

  New side/rear boundary treatment.

  Withdrawn Full applications 12 docs

• 26/00501/CPU Refused

  143 Cookham Road Maidenhead SL6 7EU

  Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.

  25 Feb 2026 Lawful development
• 26/01763/CPU Refused

  Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead

  Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.

  17 Jul 2026 Lawful development
• 26/01615/CLU Granted

  Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT

  Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.

  1 Jul 2026 Lawful development
• 26/01581/CLD Granted

  The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead

  Certificate of lawfulness to determine whether the existing bollard is lawful.

  26 Jun 2026 Lawful development
• 26/02117/CPD Awaiting decision

  27 Tyrell Gardens Windsor SL4 4DH

  Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

  26 Aug 2026 Lawful development