Refectory Bungalow Imperial College Silwood Park London Road Sunninghill Ascot SL5 7PZ

This site has had 2 applications since 2025.

• 25/03316/FULL Awaiting decision

  Refectory Bungalow Imperial College Silwood Park London Road Sunninghill Ascot SL5 7PZ

  The temporary installation of one catering portacabin.

  Submitted 15 Dec 2025 Full applications

1. 8 Sep 2025

   Received by Windsor and Maidenhead

2. 29 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 27 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 November 2025, 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.

• Refectory Bungalow Imperial College Silwood Park London Road Sunninghill Ascot SL5 7PZ

  25/03316/FULL Submitted 15 Dec 2025 50 yards away

  71% historically approved · decision due ~9 Feb

  The temporary installation of one catering portacabin.

  Awaiting decision Full applications 9 docs

• Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

  26/01758/FULL Submitted 17 Jul 2026 100 yards away

  71% historically approved · decision due ~22 Sep

  Installation of photovoltaic panels on the Hamilton Building and Centre for Population Biology Building.

  Awaiting decision Full applications 19 docs

• Header House Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

  26/00131/CONDIT Submitted 19 Jan 2026 100 yards away

  Details required by Condition 4 (Photovoltaic panels) and 7 (Biodiversity enhancements) of planning permission 24/01557/FULL for the Erection of a new modular research facility with solar panels following demolition of existing building.

  Granted Conditions Demolition 11 docs

• Header House Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

  26/00635/CONDIT Submitted 10 Mar 2026 100 yards away

  Details required by Condition 5 (Air Source Heat Pumps) of planning permission 24/01557/FULL for the erection of a new modular research facility with solar panels following demolition of existing building.

  Granted Conditions Demolition 18 docs

• Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

  26/01757/FULL Submitted 17 Jul 2026 100 yards away

  71% historically approved · decision due ~22 Sep

  Retrospective planning application for the installation of photovoltaic panels to the roof of the Controlled Environment Room Building.

  Awaiting decision Full applications 14 docs

• Silwood Manor House Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY

  25/00232/TPO Submitted 31 Jan 2025 150 yards away

  96% historically approved · decision due ~28 Mar

  T157 Relocate Evergreen Oak tree to the position shown on the included Tree Works Plan. T175 and T176 Malus - fell (001/2020/TPO).

  Awaiting decision Trees 7 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