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24 William Ellis Close Old Windsor Windsor SL4 2QW

25/03174/PDXLPermitted Development ExtendedApproved
Outline / PiP

Approved on 14 January 2026

Council decision: Prior Approval Not RequiredDelegated (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

Single storey rear extension no greater than 3.60m in depth, 2.90m high with an eaves height of 2.84m.

Received
3 December 2025
Decision level
Delegated (officer decision)
Ward
Old Windsor
  1. Received3 Dec
  2. Validated3 Dec
  3. Consult.25 Dec
  4. Target14 Jan
  5. Decided14 Jan

Decided in 42 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 24 William Ellis Close Old Windsor Windsor SL4 2QW. Windsor has handled 644 applications of this type. This one was decided in 42 days, 2 weeks quicker 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 30 applications across Old Windsor. We hold 1,035 applications in total for the SL4 postcode area.

67% of outline 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.Planning something similar? See what gets approved on your street

Application details

Postcode
SL4 2QW
Application type
Permitted Development Extended
Scale / size
Small
Parish
Old Windsor Parish

Planning application dates

Date validated
3 December 2025
Consultation expiry
25 December 2025
Neighbour consultation end
25 December 2025
Last date for comments
25 December 2025
Target decision date
14 January 2026

Applicant and agent

Agent address
Royal Borough of Windsor And Maidenhead Town Hall St Ives Road Maidenhead Berkshire SL6 1RF

Planning decision

Statutory period
42 days

Additional information

Planning Portal ID
PP-14537021
Documents
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High 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 (21)

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, 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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