Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

This site has had 11 applications since 2025: 5 approved, 0 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 Awaiting decision

  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.

  Submitted 5 May 2026 Advertising
• 26/01101/LBC Awaiting decision

  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.

  Submitted 5 May 2026 Heritage and listed buildings
• 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
• 25/02141/LBC Granted

  Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  Consent for 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 Heritage and listed buildings

1. 5 May 2026

   Received by Windsor and Maidenhead

2. 11 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 July 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 55 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 full applications in a median of 62 days. More in our guide to how long planning decisions take.

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.

• Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  26/01103/ADV Submitted 5 May 2026 0.1 miles away

  84% historically approved · decision due ~6 Jul

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

  Awaiting decision Advertising 14 docs

• Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  26/01101/LBC Submitted 5 May 2026 0.1 miles away

  83% historically approved · decision due ~6 Jul

  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.

  Awaiting decision Heritage and listed buildings Windows or glazing 14 docs

• Castle Hotel Windsor 18 High Street Windsor SL4 1LJ

  25/02140/FULL Submitted 22 Aug 2025 0.1 miles 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 0.1 miles 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 0.1 miles 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 0.1 miles away

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

  Granted Heritage and listed buildings 18 docs

• 26/00980/FULL Granted

  19 Linchfield Road Datchet Slough SL3 9NA

  Single storey rear extension

  Received 21 Apr, published by the council 25 Jul 2026 Full applications
• 26/01706/FULL Granted

  Loraine 36 Forlease Road Maidenhead SL6 1RU

  Single storey rear extension to the main dwelling, partial demolition to existing garage with a relocated door, alterations to the patio and new steps

  Received 13 Jul, published by the council 31 Jul 2026 Full applications
• 26/01675/FULL Granted

  59 Grove Road Windsor SL4 1HT

  Increase in height of the existing side boundary brick wall following the removal of the existing timber fencing and a reduction in height and new railings to the existing front/side boundary wall.

  Received 9 Jul, published by the council 25 Jul 2026 Full applications
• 26/01265/FULL Granted

  107 Slough Road Datchet Slough SL3 9AQ

  Single storey rear extension and alterations to fenestration following the demolition of the existing rear element.

  Received 20 May, published by the council 25 Jul 2026 Full applications
• 26/01700/FULL Granted

  4 Dhoon Rise Maidenhead SL6 1BS

  Garage conversion, front bay window and a single storey front/side extension.

  Received 13 Jul, published by the council 27 Jul 2026 Full applications