171 Boyn Valley Road Maidenhead SL6 4DT

1. 23 Sep 2025

   Received by Windsor and Maidenhead

2. 17 Nov 2025

   Decision issued: Application Permitted

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 17 November 2025, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Harnel 167 Boyn Valley Road Maidenhead SL6 4DT

  20/00587/FULL Submitted 3 Mar 2020 50 yards away

  Single storey rear/side extension following demolition of garage and rear attached buildings.

  Granted Full applications Extension Demolition 10 docs
  Small domestic

• 69 Clare Road Maidenhead SL6 4DN

  21/00047/CPD Submitted 8 Jan 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed two front roof lights and x1 rear L-shaped dormer with x1 Juliette balcony to facilitate a loft conversion is lawful.

  Granted Lawful development Loft or dormer 19 docs

• 67 Clare Road Maidenhead SL6 4DN

  20/01082/FULL Submitted 13 May 2020 50 yards away

  Single storey side/rear extension and alterations to fenestration.

  Granted Full applications Extension Windows or glazing 9 docs
  Small domestic

• 67 Clare Road Maidenhead SL6 4DN

  20/00777/CPD Submitted 26 Mar 2020 50 yards away

  Certificate of lawfulness to determine whether the proposed rear dormer and 2 No. front rooflights to facilitate a loft conversion is lawful

  Granted Lawful development Loft or dormer 7 docs

• Beau Regard 183 Boyn Valley Road Maidenhead SL6 4DT

  22/00804/FULL Submitted 25 Mar 2022 50 yards away

  Single storey rear extension (retrospective).

  Granted Full applications Extension 8 docs
  Small domestic

• 83 Clare Road Maidenhead SL6 4DN

  22/01300/FULL Submitted 16 May 2022 50 yards away

  Single storey rear/side extension and new steps to the rear elevation.

  Granted Full applications Extension 25 docs
  Small domestic

• 26/02029/FULL Granted

  5 Kimber Close Windsor SL4 4BJ

  Single storey rear extension.

  Received 17 Aug, published by the council 27 Aug 2026 Full applications
• 26/01955/FULL Granted

  2 Holmlea Road Datchet Slough SL3 9HQ

  Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

  Received 7 Aug, published by the council 27 Aug 2026 Full applications
• 26/01121/FULL Granted

  Zain House 15 Wilton Crescent Windsor SL4 4YJ

  Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

  Received 6 May, published by the council 11 Aug 2026 Full applications
• 26/01977/FULL Granted

  9 St Marks Place Windsor SL4 3BG

  Garage conversion and alterations to fenestration.

  Received 11 Aug, published by the council 24 Aug 2026 Full applications
• 26/01804/FULL Granted

  16 Devereux Road Windsor SL4 1JJ

  Installation of air conditioning compressor unit to the first floor side elevation.

  Received 23 Jul, published by the council 24 Aug 2026 Full applications