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Planning application

26/01398/FULL

3 High Street Windsor SL4 1LD

Awaiting decision Windsor and Maidenhead Full

Proposal

Change of use of second floor from Class E Offices to Class C3 residential to provide two self-contained apartments.

As published by the council, reference 26/01398/FULL

Timeline

Dates from the published record

  1. 8 Jun 2026

    Received by Windsor and Maidenhead

  2. 30 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Windsor and Maidenhead for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 26/01399/LBC Awaiting decision

    3 High Street Windsor SL4 1LD

    Consent for the change of use of second floor from Class E Offices to Class C3 residential to provide two self-contained apartments, works include, replacement of second floor rear windows and double door with slim profile double glazing, internally it includes new subdivisions, new services for bathrooms, and installation of new secondary glazing.

    8 Jun 2026 0m away Heritage and listed buildings
  • 26/01426/FULL Awaiting decision

    7 High Street Windsor SL4 1LD

    Change of use of part of the basement, first and second floor from office (Class E) to mixed use compromising Sui Generis (Beauty Salon) and ancillary uses.

    9 Jun 2026 26m away Full applications
  • 26/01271/FULL Awaiting decision

    Stores Rear of 6 High Street Windsor

    Change of use of the existing building, from Commercial Office (Use Class E) to 2 x serviced apartments (Sui Generis), including internal reconfigurations and external conservation-style roof lights.

    21 May 2026 43m away Full applications
  • 22/02649/FULL Refused

    9A High Street Windsor

    Two storey rear extension and alterations to existing ground floor to create x2 additional residential dwellings, new access to basement, alterations to fenestration and to existing car park spaces following demolition of existing two storey rear extension.

    29 Sep 2022 43m away Full applications
  • 22/02650/LBC Refused

    9A High Street Windsor

    Consent for a two storey rear extension and alterations to existing ground floor to create x2 additional residential dwellings, internal alterations to basement, ground, first and second floor, new access to basement, alterations to fenestration and to existing car park spaces following demolition of existing two storey rear extension.

    28 Sep 2022 43m away Heritage and listed buildings
  • 22/02352/FULL Refused

    Denning Legal 10A High Street Windsor SL4 1LD

    Internal alterations on the first floor to facilitate the change of use of the existing office to residential to create x1 flat, x2 new rooflights and alterations to fenestration.

    24 Aug 2022 49m away Full applications

In Windsor and Maidenhead

  • 26/00962/FULL Granted

    Bonnicut Barn Bonnicut Court 14 High Street Sunningdale Ascot SL5 0NB

    2no. front dormers, part raising of the front elevation to form a parapet wall and terrace, 3no. front rooflights, 3no. rear dormers and alterations to fenestration. (Part Retrospective).

    20 Apr 2026 Full applications
  • 26/01310/FULL Granted

    6 Gilman Crescent Windsor SL4 4YN

    Single storey front/side extension, relocated front door, two storey rear extension, alterations to fenestration and hardstanding, new steps, 1 no. dropped kerb, following demolition of existing elements

    22 May 2026 Full applications
  • 25/03313/FULL Refused

    Land To The South of Lower Mount Farm Long Lane Cookham Maidenhead

    Erection of a crematorium with ceremony hall and memorial arboretum, associated use of land, PV array, vehicular access, parking, landscaping, pavement and road widening along Long Lane.

    15 Dec 2025 Full applications
  • 26/01387/FULL Granted

    7 Elm Road Windsor SL4 3NB

    Single storey rear/side extension

    5 Jun 2026 Full applications
  • 26/00877/FULL Granted

    45 Queens Close Old Windsor Windsor SL4 2PR

    Two storey front/side extension.

    7 Apr 2026 Full applications