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

26/00131/CONDITDischarge of ConditionAwaiting decision
Discharge / amendments

Proposal

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.

Received
19 January 2026
Decision due
16 March 2026
Ward
Sunningdale And Cheapside
  1. Received19 Jan
  2. Validated19 Jan
  3. Consult.16 Feb
  4. Target16 Mar
  5. Decided

Have your say

Comments close on 16 February.

Comment on the council's siteDocuments (10)

About this application

This is an application to discharge conditions at Header House Imperial College Silwood Park Buckhurst Road Ascot SL5 7PY. Windsor has handled 686 applications of this type. It has been with the council since 19 January 2026 and is still awaiting a decision. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 75 applications across Sunningdale And Cheapside. We hold 1,448 applications in total for the SL5 postcode area.

90% of conditions applications at Royal Borough of Windsor and Maidenhead were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
SL5 7PY
Application type
Discharge of Condition
Scale / size
Small
Parish
Sunninghill And Ascot Parish

Planning application dates

Date validated
19 January 2026
Last date for comments
16 February 2026

Applicant and agent

Agent address
Savills 72-76 High Street Sevenoaks TN13 1JR

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14630339
Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Green belt: Windsor and Maidenhead
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: conservation areas, Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

flood storage areas, listed buildings, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Windsor

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