40 Duncroft Windsor SL4 4HH

1. 18 Aug 2025

   Received by Windsor and Maidenhead

2. 3 Oct 2025

   Decision issued: Refuse

3. 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.

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.

• 9 Duncroft Windsor SL4 4HH

  26/01684/PDXL Submitted 10 Jul 2026 80m away

  68% historically approved · decision due ~28 Sep

  Single storey rear extension no greater than 6.00m in depth, 3.20m high with an eaves height of 2.90m.

  Awaiting decision Prior approval Extension 10 docs
  Small domestic

• 43 Rycroft Windsor SL4 4HQ

  22/00547/FULL Submitted 28 Feb 2022 102m away

  Part single part two storey part first floor wrap around extension (front, side and rear) and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 14 docs

• 42 Perrycroft Windsor SL4 4HJ

  22/01903/PDXL Submitted 14 Jul 2022 112m away

  Single storey rear extension no greater than 5.00m in depth, 2.91m high with an eaves height of 2.82m.

  Granted Prior approval Extension 9 docs
  Small domestic

• 40 Rycroft Windsor SL4 4HG

  22/02503/VAR Submitted 13 Sep 2022 122m away

  Variation (under Section 73A) of Condition 4 (Approved Plans) to substitute those plans approved under 21/01919/FULL for the part single, part two storey rear extension and first floor side extension with amended plans.

  Granted Amendments Extension 10 docs

• 40 Rycroft Windsor SL4 4HG

  21/01919/FULL Submitted 22 Jun 2021 124m away

  Part single, part two storey rear extension and first floor side extension.

  Granted Full applications Extension 19 docs

• 71 Clewer Hill Road Windsor SL4 4DE

  21/01830/CPD Submitted 11 Jun 2021 148m away

  Certificate of lawfulness to determine whether the proposed replacement outbuilding is lawful.

  Granted Lawful development 6 docs

• 26/01822/PDXL Granted

  Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

  Single storey side/rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.80m.

  24 Jul 2026 Prior approval
• 26/01846/PDXL Granted

  24 New Road Datchet Slough SL3 9JB

  Single storey rear extension no greater than 4.00m in depth, 3.20m high with an eaves height of 3.00m.

  27 Jul 2026 Prior approval
• 26/01740/PDXL Granted

  Oak Tree Farm Twyford Road Binfield Bracknell RG42 5QD

  Single storey rear extension no greater than 7.06m in depth, 3.40m high with an eaves height of 3.40m.

  15 Jul 2026 Prior approval
• 26/01646/PDXL Granted

  12 Islet Park Drive Maidenhead SL6 8LF

  Single storey rear extension no greater than 5.30m in depth, 3.88m high with an eaves height of 2.61m.

  6 Jul 2026 Prior approval
• 26/02001/CLAMA Awaiting decision

  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.

  13 Aug 2026 Prior approval