78 Duke Street Windsor SL4 1SQ

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 21/00634/FULL Granted

  78 Duke Street Windsor SL4 1SQ

  Single storey side/rear extension with 2no. rooflights.

  Decided 28 Apr 2021 Full applications

1. 18 Mar 2026

   Received by Windsor and Maidenhead

2. 13 May 2026

   Decision issued: Permitted Development

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 13 May 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.

• 78 Duke Street Windsor SL4 1SQ

  21/00634/FULL Submitted 3 Mar 2021 0.1 miles away

  Single storey side/rear extension with 2no. rooflights.

  Granted Full applications Extension Loft or dormer 8 docs
  Small domestic

• 7 Riverway Barry Avenue Windsor SL4 5JA

  22/03377/CPD Submitted 19 Dec 2022 0.1 miles away

  Certificate of lawfulness to determine whether the proposed rear dormer is lawful.

  Granted Lawful development Loft or dormer 7 docs

• 30 Vansittart Road Windsor SL4 5BY

  23/02604/CPD Submitted 20 Oct 2023 0.1 miles away

  Certificate of lawfulness to determine whether 1no. detached outbuilding is lawful.

  Refused Lawful development 8 docs

• 10 Riverway Barry Avenue Windsor SL4 5JA

  25/02318/FULL Submitted 8 Sep 2025 0.1 miles away

  Single storey side/rear extension and 1no. outbuilding ancillary to the main dwelling following demolition of existing rear element.

  Granted Full applications Extension Demolition 12 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  21/01091/PDXL Submitted 8 Apr 2021 0.1 miles away

  Single storey rear extension no greater than 6.00m in depth, 3.60m high with an eaves height of 3.30m.

  Refused Prior approval Extension 14 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  22/01914/CPD Submitted 14 Jul 2022 0.1 miles away

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

  Granted Lawful development Extension 9 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