99 Ruddlesway Windsor SL4 5SH

1. 26 May 2026

   Received by Windsor and Maidenhead

2. 15 Jul 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 15 July 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.

• 32 Birch Grove Windsor SL4 5RT

  21/01433/CPD Submitted 10 May 2021 41m away

  Certificate of lawfulness to determine whether the proposed single storey rear extension with pitched roof is lawful.

  Granted Lawful development Extension 8 docs
  Small domestic

• 93 Ruddlesway Windsor SL4 5SH

  19/03026/FULL Submitted 1 Nov 2019 51m away

  Single storey rear extension

  Granted Full applications Extension 12 docs
  Small domestic

• 44 Ruddlesway Windsor SL4 5SW

  23/01845/PDXL Submitted 28 Jul 2023 68m away

  Single storey rear extension no greater than 4.00m in depth, 3.42m high with an eaves height of 2.40m.

  Granted Prior approval Extension 8 docs
  Small domestic

• 113 Ruddlesway Windsor SL4 5SJ

  21/01088/FULL Submitted 6 Apr 2021 82m away

  Single storey rear extension.

  Granted Full applications Extension 6 docs
  Small domestic

• 7 Reed Way Windsor SL4 5FZ

  21/01846/CPD Submitted 14 Jun 2021 92m away

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

  Refused Lawful development 6 docs

• 4 Birch Grove Windsor SL4 5RT

  20/03063/PDXL Submitted 16 Nov 2020 92m away

  Single storey rear extension no greater than 3.8m in depth, 3.7m high with an eaves height of 2.25m.

  Granted Prior approval Extension 7 docs
  Small domestic

• 26/01743/CPD Refused

  1 Aston Mead Windsor SL4 5PW

  Certificate of lawfulness to determine whether the proposed replacement single storey rear extension is lawful.

  Received 16 Jul, published by the council 31 Jul 2026 Lawful development
• 26/01828/CPU Granted

  Concorde Park Concorde Road Maidenhead SL6 4FJ

  Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01853/CPU Granted

  20 Craufurd Rise Maidenhead SL6 7LS

  Certificate of lawfulness to determine whether the proposed use of a room on the ground floor as private hire operators licence is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01781/CPD Refused

  163 Arthur Road Windsor SL4 1RZ

  Certificate of lawfulness to determine whether the proposed rear L shaped dormer with Juliet balcony and new air source heat pump are lawful.

  Received 21 Jul, published by the council 27 Jul 2026 Lawful development
• 26/01553/CLU Granted

  64 Priors Way Maidenhead SL6 2EN

  Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

  Received 24 Jun, published by the council 25 Jul 2026 Lawful development