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74 Illingworth Windsor SL4 4UP

26/02458/FULLFullAwaiting decision
Site boundary (council red line)

Proposal

First floor rear extension with 1no. bay window, raising of the ridge and 3no. dormers to facilitate a loft conversion and alterations to fenestration.

Received
8 October 2026
Decision due
9 December 2026
Public comments
0 · last counted 3 November 2026
Ward
Clewer And Dedworth East
  1. Received8 Oct
  2. Validated15 Oct
  3. Consult.12 Nov
  4. Target9 Dec
  5. Decided

Have your say

Comments close on 12 November.

Comment on the council's siteDocuments (16)

About this application

This is a full planning application for a loft conversion at 74 Illingworth Windsor SL4 4UP. Windsor has handled 1,391 applications of this type. It has been with the council since 8 October 2026 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 7 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 27 applications across Clewer And Dedworth East. We hold 1,031 applications in total for the SL4 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
SL4 4UP
Application type
Full
Scale / size
Small
Parish
Windsor Unparished

Planning application dates

Date validated
15 October 2026
Consultation expiry
12 November 2026
Consultation end
12 November 2026
Neighbour consultation end
12 November 2026
Last date for comments
12 November 2026

Applicant and agent

Agent address
Inhabitat Design Studios Ltd 1 Thames Side Windsor Berkshire SL4 1QN

Planning decision

Statutory period
55 days

Additional information

Planning Portal ID
PP-15247086
Documents
16

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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, 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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