352 St Leonards Road Windsor SL4 3DX

1. 18 Nov 2024

   Received by Windsor and Maidenhead

2. 24 Dec 2024

   Decision issued: Prior Approval Not Required

3. 2 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 24 December 2024, 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.

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.

• 346 St Leonards Road Windsor SL4 3DX

  25/02083/CPD Submitted 15 Aug 2025 50 yards away

  Certificate of lawfulness to determine whether the proposed single storey outbuildings incidental to the main dwelling are lawful.

  Granted Lawful development 8 docs
  Small domestic

• 363 St Leonards Road Windsor SL4 3DS

  26/01431/CPD Submitted 10 Jun 2026 50 yards away

  Certificate of lawfulness to determine whether the proposed 1no. front rooflight, 1no. L-shaped rear dormer with 1no. Juliet balcony and alterations to fenestration are lawful.

  Granted Lawful development Loft or dormer Windows or glazing 10 docs

• 336 St Leonards Road Windsor SL4 3DX

  21/01083/FULL Submitted 7 Apr 2021 50 yards away

  Two storey side extension.

  Granted Full applications Extension 22 docs

• 336 St Leonards Road Windsor SL4 3DX

  20/01540/FULL Submitted 29 Jun 2020 50 yards away

  Two storey side extension with habitable accommodation in roof space, 1 No. first floor rear window and 2 No. rear rooflights.

  Refused Full applications Extension Loft or dormer +1 20 docs

• 33 Upcroft Windsor SL4 3NH

  21/00716/FULL Submitted 9 Mar 2021 150 yards away

  Single storey rear extension, garage conversion into habitable accommodation and x1 new rooflight following demolition of existing element.

  Withdrawn Full applications Extension Loft or dormer +1
  Small domestic

• 33 Upcroft Windsor SL4 3NH

  21/03481/PDXL Submitted 25 Nov 2021 150 yards away

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

  Granted Prior approval Extension 10 docs
  Small domestic

• 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