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Greenwood Offices Heatherwood Hospital Brook Avenue Ascot SL5 7GB

25/03045/FULLFullApproved

Approved on 23 January 2026

Council decision: Application PermittedDelegated (officer decision)

Proposal

Installation of a Battery Energy Storage System (BESS) and associated fence enclosure

Received
18 November 2025
Decision level
Delegated (officer decision)
Ward
Ascot & Sunninghill
  1. Received18 Nov
  2. Validated4 Dec
  3. Consult.6 Jan
  4. Target29 Jan
  5. Decided23 Jan

Decided in 50 days (council typically 56)

About this application

This is a full planning application at Greenwood Offices Heatherwood Hospital Brook Avenue Ascot SL5 7GB. Windsor has handled 1,391 applications of this type. This one was decided in 66 days, 10 days longer than Windsor's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 92 applications across Ascot & Sunninghill. We hold 1,445 applications in total for the SL5 postcode area.

68% of full 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 7GB
Application type
Full
Scale / size
Small
Parish
Sunninghill And Ascot Parish

Planning application dates

Date validated
4 December 2025
Consultation expiry
6 January 2026
Neighbour consultation end
6 January 2026
Last date for comments
6 January 2026
Target decision date
29 January 2026

Applicant and agent

Agent address
Vail Williams LLP 2 Noel Street London W1F 8GB

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14426735
Documents
13

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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