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Planning application

26/01399/LBC

3 High Street Windsor SL4 1LD

Awaiting decision Windsor and Maidenhead Listed Building Consent

Proposal

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.

As published by the council, reference 26/01399/LBC

Timeline

Dates from the published record

  1. 8 Jun 2026

    Received by Windsor and Maidenhead

  2. 16 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 heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • 26/01398/FULL Awaiting decision

    3 High Street Windsor SL4 1LD

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

    8 Jun 2026 0m away Full applications
  • 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

  • 26/01805/LBC Awaiting decision

    CAFFÈ NERO Unit 58-59 Windsor Royal Railway Station Jubilee Arch Windsor SL4 1PJ

    Consent for the demolition of the existing free-standing Caffe Nero unit.

    23 Jul 2026 Heritage and listed buildings
  • 26/01403/LBC Granted

    Church House High Street Hurley Maidenhead SL6 5NB

    Consent for the installation of 1no. EV charger to the east wall of the lean to attached to the north elevation of the main house.

    8 Jun 2026 Heritage and listed buildings
  • 26/01420/LBC Granted

    12 High Street Windsor SL4 1LT

    Consent for 1no. accessibility ramp to front entrance.

    8 Jun 2026 Heritage and listed buildings
  • 26/00971/LBC Granted

    King & Castle 15 - 17 Thames Street Windsor SL4 1PL

    Consent for internal works to the lower ground floor bar, ground floor bar and external garden bar to include upgrades to glass storage, lighting, and dispense systems and the replacement of a condenser unit at basement level.

    20 Apr 2026 Heritage and listed buildings
  • 26/01736/DEM Awaiting decision

    26 Lower Village Road Ascot SL5 7AU

    Prior notification for the demolition of the existing detached garage.

    15 Jul 2026 Heritage and listed buildings