Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

This site has had 12 applications since 2025: 5 approved, 3 refused.

• 26/02044/LBC Awaiting decision

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for new and replacement signage and external painting of the entrance doors and existing window frames.

  Submitted 19 Aug 2026 Heritage and listed buildings
• 26/01913/FULL Awaiting decision

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Removal of existing garden fixtures and fittings and provision of replacement seating, entrance gate and front screening, planters. New ground surface with resin-bound gravel, decorative ceiling awning, new garden umbrellas and new escape stair screening fence.

  Submitted 4 Aug 2026 Full applications
• 26/01914/LBC Awaiting decision

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for replacement seating, entrance gate and front screening, planters. New ground surface with resin-bound gravel, decorative ceiling awning, new garden umbrellas and new escape stair screening fence.

  Submitted 4 Aug 2026 Heritage and listed buildings
• 26/01103/ADV Refused

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent to display 2no. non-illuminated hanging signs; 2no. back illuminated wall mounted menu boards and the installation of 7no non-illuminated retractable awnings.

  Decided 17 Sep 2026 Advertising
• 26/01101/LBC Refused

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for the repainting of the entrance doors and window facades and the replacement of 2no. non-illuminated hanging signs; 2no. back illuminated wall mounted menu boards and the installation of 7no non-illuminated retractable awnings.

  Decided 17 Sep 2026 Heritage and listed buildings
• 26/01100/FULL Refused

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Repainting of the entrance doors and window facades and the installation of 7no non-illuminated retractable awnings.

  Decided 17 Sep 2026 Full applications
• 26/00929/LBC Granted

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for internal refurbishment works to upper floors and basement and limited rear facade amendments.

  Decided 2 Jul 2026 Heritage and listed buildings
• 26/00631/LBC Granted

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for the internal works and alterations at ground floor including demolition and refurbishment works to the entrance way, reception, bar and dining areas and managers office.

  Decided 20 May 2026 Heritage and listed buildings
• 26/00182/CONDIT Granted

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Details required by Condition 3 (Aircraft noise) of planning permission 24/01100/FULL for Works to the existing Mews building to include the replacement of existing canopy and removal of existing Juliet balconies to windows on east elevation, replacement windows and alterations to external finish to Mews and rendered areas of the existing buildings including the Conference area, external link corridor and entrance to hotel bedroom wing.

  Decided 27 Feb 2026 Conditions
• 25/02140/FULL Granted

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  7no. replacement windows and the redecoration and repair of 3no. windows to the north elevation, 9no. replacement windows and the redecoration and repair of 4no. windows to the south elevations, 26no. replacement windows, the redecoration and repair of 2no. windows and the redecoration of 2no. windows to the west elevations.

  Decided 26 Nov 2025 Full applications

1. 19 Aug 2026

   Received by Windsor and Maidenhead

2. 11 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided advertisement consent applications in a median of 64 days. More in our guide to how long planning decisions take.

Advertisement consent is judged on two things only: amenity and public safety, not competition or other planning considerations. More in our guide to planning application types.

• Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  26/00631/LBC Submitted 9 Mar 2026 50 yards away

  Consent for the internal works and alterations at ground floor including demolition and refurbishment works to the entrance way, reception, bar and dining areas and managers office.

  Granted Heritage and listed buildings Demolition 28 docs

• Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  25/02140/FULL Submitted 22 Aug 2025 50 yards away

  7no. replacement windows and the redecoration and repair of 3no. windows to the north elevation, 9no. replacement windows and the redecoration and repair of 4no. windows to the south elevations, 26no. replacement windows, the redecoration and repair of 2no. windows and the redecoration of 2no. windows to the west elevations.

  Granted Full applications Windows or glazing 24 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/00975/ADV Submitted 7 Apr 2022 50 yards away

  Consent to display 1no. non-illuminated fascia sign.

  Granted Advertising 18 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  21/02063/FULL Submitted 5 Jul 2021 50 yards away

  New outdoor seating area with entrance gates, decking, steps, access ramp and handrails, pergola, arbour and planters. (Retrospective)

  Granted Full applications 36 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/01330/LBC Submitted 17 May 2022 50 yards away

  Replacement of existing hotel name sign on the front facade with a new name sign.

  Granted Heritage and listed buildings 18 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/01429/CONDIT Submitted 26 May 2022 50 yards away

  Details required by Condition 3 (Gate Details) of Planning Application 21/02063 for New outdoor seating area with entrance gates, decking, steps, access ramp and handrails, pergola, arbour and planters. (Retrospective)

  Granted Conditions 6 docs

• 26/01848/ADV Refused

  Art Deco 39 - 40 Thames Street Windsor Maidenhead SL4 1PR

  Consent for 2 no. internally illuminated fascia signs.

  Received 28 Jul, published by the council 4 Aug 2026 Advertising
• 26/01754/ADV Granted

  Greens Kitchen And Bar 109 - 110 Peascod Street Windsor SL4 1DN

  Consent to display externally illuminated shopfront lettering and 2no. retractable awnings.

  Received 17 Jul, published by the council 31 Jul 2026 Advertising
• 26/01542/ADV Refused

  Dr Chocs Windsor Chocolate Factory 23 Thames Street Windsor SL4 1PL

  Consent to retain 1no. externally illuminated fascia sign and 1no. external light fitting.

  Received 23 Jun, published by the council 11 Aug 2026 Advertising
• 26/01103/ADV Refused

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent to display 2no. non-illuminated hanging signs; 2no. back illuminated wall mounted menu boards and the installation of 7no non-illuminated retractable awnings.

  Received 5 May, published by the council 25 Jul 2026 Advertising
• 26/02253/ADV Awaiting decision

  Red Noodle 50 High Street Windsor SL4 1LR

  Consent to display 1 no. non-illuminated hanging sign.

  Received 11 Sep, published by the council 24 Sep 2026 Advertising