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Claires Court School Senior Girls 1 College Avenue Maidenhead SL6 6AW

25/02523/CLDCertificate of Lawfulness of DevelopmentApproved
Lawful development certificate

Approved on 6 March 2026

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of lawfulness to determine whether the existing 2no. outbuildings and gazebo is lawful.

Received
26 September 2025
Decision level
Delegated (officer decision)
Ward
Belmont
  1. Received26 Sep
  2. Validated6 Oct
  3. Consult.7 Nov
  4. Target1 Dec
  5. Decided6 Mar

Decided in 151 days (council typically 56)

About this application

This is an application to amend a permission at Claires Court School Senior Girls 1 College Avenue Maidenhead SL6 6AW. Windsor has handled 176 applications of this type. This one was decided in 161 days, 15 weeks longer than Windsor's typical decision time. The site is in a conservation area. There has been 1 other application at this address. In the past year there have been 27 applications across Belmont. We hold 2,121 applications in total for the SL6 postcode area.

55% of amendment 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
SL6 6AW
Application type
Certificate of Lawfulness of Development
Scale / size
Small
Parish
Maidenhead Unparished

Planning application dates

Date validated
6 October 2025
Consultation expiry
7 November 2025
Neighbour consultation end
7 November 2025
Last date for comments
11 November 2025
Target decision date
1 December 2025

Applicant and agent

Agent address
Andrew Black Consulting 17 Egerton Road New Malden KT3 4AP

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14350161
Documents
16

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Brownfield land register: School on College AvenueRegister site at or near this address
  • 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, green belt, 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 and heritage coasts.

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.

Planning history at this site

1 other application at this property, newest first.

  1. 2026
    21 Sep

    Creation of new staff car park with access from College Avenue

    PendingApplication26/02068/FULL

Source: Windsor

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