Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

This site has had 19 applications since 2021: 19 approved, 0 refused.

• 23/00378/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 6 (Sample Of Render) of listed building consent 22/00998/LBC for the consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.approved.

  Decided 9 Mar 2023 Conditions
• 22/03266/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 11 (Asbestos Report) of Listed Building Consent (22/00998/LBC) for consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 24 Jan 2023 Conditions
• 22/03171/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 9 (Sample of Stonework) of Listed Building Consent 22/00998 for Consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 20 Jan 2023 Conditions
• 22/03168/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 8 (Paint colour) of Listed Building Consent 22/00998 for Consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 20 Jan 2023 Conditions
• 22/03065/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 7 (sample panel) of Listed Building Consent 22/00998 for Consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 21 Feb 2023 Conditions
• 22/02973/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by condition 6 (lime sample) of Listed Building Consent (22/00998/LBC) for consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 20 Jan 2023 Conditions
• 22/02959/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by condition 12 (cleaning details) of Listed Building Consent (22/00998/LBC) for consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 19 Jan 2023 Conditions
• 22/02882/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 10 (lead detailing) for Listed Building Consent (22/00998/LBC) for consent for the removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Decided 9 Mar 2023 Conditions
• 22/02694/CONDIT Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Details required by Condition 3 (door details) of Listed Building Consent 22/01523 for Consent for the removal of an existing false window and replace with a sliding door in the bar area.

  Decided 12 Jan 2023 Conditions
• 22/01523/LBC Granted

  Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  Consent for the removal of an existing false window and replace with a sliding door in the bar area.

  Decided 23 Aug 2022 Heritage and listed buildings

1. 8 Jun 2022

   Received by Windsor and Maidenhead

2. 1 Sep 2022

   Decision issued: Application Permitted

3. 4 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 1 September 2022, 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.

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/02694/CONDIT Submitted 4 Oct 2022 9m away

  Details required by Condition 3 (door details) of Listed Building Consent 22/01523 for Consent for the removal of an existing false window and replace with a sliding door in the bar area.

  Granted Conditions Windows or glazing 8 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/01523/LBC Submitted 6 Jun 2022 9m away

  Consent for the removal of an existing false window and replace with a sliding door in the bar area.

  Granted Heritage and listed buildings Windows or glazing 16 docs

• 15 High Street And 2 Guards View 16 High Street Windsor

  25/02427/LBC Submitted 16 Sep 2025 17m away

  Consent for part change of use of the existing rear single storey element of the shop to residential, removal of the existing pitched roof for the construction of an external balcony with steps and balustrade and the replacement of existing kitchen window with door.

  Withdrawn Heritage and listed buildings Windows or glazing 10 docs
  Small domestic

• 15 High Street And 2 Guards View 16 High Street Windsor

  25/02426/FULL Submitted 16 Sep 2025 17m away

  Part change of use of the existing rear single storey element of the shop to residential, removal of the existing pitched roof for the construction of an external balcony with steps and balustrade and the replacement of existing kitchen window with door.

  Withdrawn Full applications Windows or glazing 10 docs
  Small domestic

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  22/00997/FULL Submitted 11 Apr 2022 19m away

  Removal of the existing render at roof level and to the front elevation and undercroft where perished and renew with new breathable render using like for like materials/methods and decorated to match existing. Other works include the cleaning of elevations, formation of a new drip detail to both the parapet and cornice to prevent water ingress, ad-hoc repairs/replacement of roof slate, rainwater goods and leadwork, repairs to the chimney stacks, overhauling and subsequent repairs of the windows, French doors, and sills, and repairs to the balcony and balustrades as required including redecoration.

  Granted Full applications Windows or glazing 25 docs

• Mercure Castle Hotel 18 High Street Windsor SL4 1LJ

  21/03687/CONDIT Submitted 16 Dec 2021 21m away

  Details required by condition 3 (scaffolding) of listed building consent 19/00184/LBC for consent to facade work consisting of works to the parapet, cornice, windows, doors, balustrade and render.

  Granted Conditions Windows or glazing 6 docs

• 26/00685/FULL Granted

  Blossoms Broomfield Park Sunningdale Ascot SL5 0JT

  Relocation of front entrance door, new front canopy, single storey side infill extension, part single part two storey rear extension, first floor side extension, 1no. front dormer and alterations to fenestration and external finishes following demolition of existing elements.

  16 Mar 2026 Full applications
• 26/01566/FULL Refused

  20 Victoria Road Eton Wick Windsor SL4 6LY

  New front boundary treatment, piers and gates (part retrospective).

  25 Jun 2026 Full applications
• 26/01732/FULL Granted

  27 Hemsdale Maidenhead SL6 6SL

  Enlargement and conversion of the existing garage, single storey side/rear extension and alterations to fenestration.

  15 Jul 2026 Full applications
• 26/01676/FULL Granted

  51 Upper Village Road Ascot SL5 7AJ

  Single storey side/rear extension.

  9 Jul 2026 Full applications
• 26/01227/FULL Granted

  92 Kennel Ride Ascot SL5 7NW

  Two storey side extension with canopy, single storey rear extension alterations to fenestration and a detached outbuilding ancillary to the main dwelling.

  14 May 2026 Full applications