The Quadrant 55 - 57 High Street Windsor SL4 1LP

1. 26 Nov 2020

   Received by Windsor and Maidenhead

2. 8 Dec 2020

   Validated

   Checked as complete and ready for consideration.

3. 12 Mar 2021

   Decision issued: Application Permitted

4. 12 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 12 March 2021, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 3 High Street Windsor SL4 1LD

  26/01399/LBC Submitted 8 Jun 2026 50 yards away

  83% historically approved · decision due ~11 Aug

  Consent for works to facilitate the change of use of the second floor from Class E Offices to Class C3 residential to provide two self-contained apartments, including replacement of second floor rear windows and double doors with slim profile double glazing, new internal subdivisions/partitions, new services for bathrooms, and installation of new secondary glazing to front sash windows.

  Awaiting decision Heritage and listed buildings New dwelling Windows or glazing 19 docs

• 3 High Street Windsor SL4 1LD

  26/01398/FULL Submitted 8 Jun 2026 50 yards away

  70% historically approved · decision due ~25 Aug

  Change of use of second floor from Class E Offices to Class C3 residential to provide two self-contained apartments.

  Awaiting decision Full applications New dwelling 27 docs

• 7 High Street Windsor SL4 1LD

  26/01426/FULL Submitted 9 Jun 2026 50 yards away

  Change of use of part of the basement, first and second floor from office (Class E) to mixed use compromising Sui Generis (Beauty Salon) and ancillary uses.

  Granted Full applications 22 docs

• Church Lodge 7 St Albans Street Windsor SL4 1PF

  22/01232/FULL Submitted 9 May 2022 50 yards away

  Replace existing front/side boundary fence and gate with new boundary wall, piers, railings and gate.

  Granted Full applications 21 docs
  Small domestic

• 9A High Street Windsor

  25/01060/FULL Submitted 23 Apr 2025 50 yards away

  Creation of 3no. dwellings with ancillary storage units in basement, new external staircase to basement, alterations to fenestration and existing car park spaces, 1no. cycle shed and new gate and railings.

  Refused Full applications Windows or glazing 40 docs
  Several homes

• 9A High Street Windsor

  25/01061/LBC Submitted 23 Apr 2025 50 yards away

  Consent for internal alterations to create 3no. dwellings with ancillary storage units in basement, new external staircase to basement alterations to fenestration and railings

  Granted Heritage and listed buildings Windows or glazing 23 docs
  Several homes

• 26/01323/LBC Withdrawn

  De Vere Beaumont Estate Burfield Road Old Windsor Windsor SL4 2JJ

  Consent for 8 no. EV Chargers in existing hotel car park

  Received 28 May, published by the council 25 Jul 2026 Heritage and listed buildings
• 26/01425/LBC Granted

  Harte And Garter Hotel High Street Windsor SL4 1PQ

  Consent for internal works including demolition works, new subdivisions, installation of secondary glazing, installation of new services, removal of redundant plant equipment, installation of new plant equipment, new service lift, to facilitate the creation of additional bedrooms.

  Received 9 Jun, published by the council 25 Jul 2026 Heritage and listed buildings
• 26/01909/LBC Withdrawn

  60 Grove Road Windsor SL4 1HS

  Consent for a replacement outbuilding ancillary to the main dwelling.

  Received 3 Aug, published by the council 11 Aug 2026 Heritage and listed buildings
• 26/02393/LBC Awaiting decision

  Flat 1 Hodgson House Eton College Slough Road Eton Windsor SL4 6DE

  Consent for a wall mounted Electric Vehicle Charger.

  Received 30 Sep, published by the council 9 Oct 2026 Heritage and listed buildings
• 26/01697/LBC Granted

  Bisham Abbey Bisham Village Marlow Road Bisham Marlow SL7 1RR

  Consent for roof repairs including renewal of the lead coverings to Roofs O1, O2 and O3, replacement of the modern Roof M with a new lead roof, localised repairs to other lead and felt roofs, and replacement of defective clay roof tiles. Localised repairs to masonry, windows, joinery, rainwater goods and soil pipes. Replacement of the external fire escape stair and installation of new roof access hatches and permanent mansafe systems to facilitate future inspection and maintenance.

  Received 13 Jul, published by the council 25 Jul 2026 Heritage and listed buildings