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 50 yards 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 50 yards 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

• Chancellors 15 High Street Windsor SL4 1LD

  20/02191/LBC Submitted 25 Aug 2020 50 yards away

  Consent to retain the single storey element on the West elevation.

  Granted Heritage and listed buildings 11 docs
  Small domestic

• Chancellors 15 High Street Windsor SL4 1LD

  20/02192/CLD Submitted 25 Aug 2020 50 yards away

  Certificate of lawfulness to determine whether the existing single storey element on the West elevation is lawful.

  Granted Lawful development 12 docs
  Small domestic

• Chancellors 15 High Street Windsor SL4 1LD

  20/01602/LBC Submitted 2 Jul 2020 50 yards away

  Consent to retain x2 air conditioning units.

  Granted Heritage and listed buildings 14 docs

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

  25/02427/LBC Submitted 16 Sep 2025 50 yards 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

• 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