67 Duke Street Windsor SL4 1SJ

This site has had 3 applications since 2021: 1 approved, 2 refused.

• 22/01914/CPD Granted

  67 Duke Street Windsor SL4 1SJ

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

  Decided 8 Sep 2022 Lawful development
• 21/02066/CPD Refused

  67 Duke Street Windsor SL4 1SJ

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

  Decided 6 Jul 2022 Lawful development

1. 8 Apr 2021

   Received by Windsor and Maidenhead

2. 20 May 2021

   Decision issued: Refuse

3. 3 Sep 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 67 Duke Street Windsor SL4 1SJ

  22/01914/CPD Submitted 14 Jul 2022 50 yards away

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

  Granted Lawful development Extension 9 docs
  Small domestic

• 67 Duke Street Windsor SL4 1SJ

  21/02066/CPD Submitted 5 Jul 2021 50 yards away

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

  Refused Lawful development Extension 10 docs
  Small domestic

• 56 Duke Street Windsor SL4 1SQ

  23/00597/FULL Submitted 8 Mar 2023 50 yards away

  New flat roofs to single storey rear element and alterations to fenestration.

  Granted Full applications Windows or glazing 10 docs
  Small domestic

• 89 Duke Street Windsor SL4 1SJ

  20/01901/VAR Submitted 30 Jul 2020 50 yards away

  Variation (under Section 73) of condition 1 (commencement) as approved under 17/01895/FULL for single storey rear extension.

  Withdrawn Amendments Extension 5 docs
  Small domestic

• 91 Duke Street Windsor SL4 1SJ

  20/01835/PDXL Submitted 24 Jul 2020 50 yards away

  Single storey rear extension no greater than 5.90m in depth, 3.00m high with an eaves height of 3.00m.

  Granted Prior approval Extension 9 docs
  Small domestic

• 30 Vansittart Road Windsor SL4 5BY

  23/02604/CPD Submitted 20 Oct 2023 50 yards away

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

  Refused Lawful development 8 docs

• 26/02170/PDXL Granted

  15 Cell Farm Avenue Old Windsor Windsor SL4 2PD

  Single storey rear extension no greater than 5.00m in depth, 2.85m high with an eaves height of 2.85m following demolition of the existing elements.

  Received 3 Sep, published by the council 12 Sep 2026 Prior approval
• 26/02445/PDXL Awaiting decision

  Mulberry House Waltham Road Maidenhead SL6 3NH

  Single storey rear extension no greater than 7.88m in depth, 3.50m high with an eaves height of 3.00m.

  Received 7 Oct, published by the council 9 Oct 2026 Prior approval
• 26/02001/CLAMA Granted

  158 Blackamoor Lane Maidenhead SL6 8RN

  Prior approval for the change of use of the ground floor from Use Class Eg(iii) to form 8 no. x 1 bedroom flats.

  Received 13 Aug, published by the council 24 Aug 2026 Prior approval
• 26/02425/PDXL Awaiting decision

  Eton Manor 60 Eton Road Datchet Slough SL3 9AY

  Single storey rear extension no greater than 6.00m in depth, 3.00m high with an eaves height of 2.75m.

  Received 5 Oct, published by the council 9 Oct 2026 Prior approval
• 26/02007/PDXL Refused

  18 Bradshaw Close Windsor SL4 5PS

  Single storey rear extension no greater than 3.60m in depth, 3.77m high with an eaves height of 2.43m.

  Received 13 Aug, published by the council 24 Aug 2026 Prior approval