Planning application
3 High Street Windsor SL4 1LD
Works: New dwelling Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
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
Application record
- Reference
- 26/01399/LBC
- Type
- Listed Building Consent
- Status
- Awaiting decision
- Received
- 8 Jun 2026
- Validated
- 16 Jun 2026
- Ward
- Eton And Castle
- Parish
- Windsor Unparished
- Postcode
- SL4 1LD
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 2 applications since 2026.
-
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.
Timeline
Dates from the published record
-
8 Jun 2026
Received by Windsor and Maidenhead
-
16 Jun 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 11 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Windsor and Maidenhead took a median of 55 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided heritage and listed building applications in a median of 61 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
3 High Street Windsor SL4 1LD
71% historically approved · decision due ~25 Aug
Change of use of second floor from Class E Offices to Class C3 residential to provide two self-contained apartments.
Awaiting decision Full applications New dwelling 27 docs -
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.
Granted Full applications 22 docs -
The Quadrant 55 - 57 High Street Windsor SL4 1LP
Consent for repairs to external facade
Granted Heritage and listed buildings 12 docs -
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.
Withdrawn Full applications New dwelling Loft or dormer 32 docs -
9A High Street Windsor
Creation of 3no. dwellings with ancillary storage units in basement, new external staircase to basement, alterations to fenestration and existing car park spaces, 1no. cycle shed and new gate and railings.
Refused Full applications Windows or glazing 40 docsSeveral homes -
9A High Street Windsor
Consent for internal alterations to create 3no. dwellings with ancillary storage units in basement, new external staircase to basement alterations to fenestration and railings
Granted Heritage and listed buildings Windows or glazing 23 docsSeveral homes
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In Windsor and Maidenhead
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26/01805/LBC Granted
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.
-
26/02188/LBC Awaiting decision
The Queen Charlotte Church Lane Windsor SL4 1PA
Consent for new signage,1no. lantern, 2no. cowl lights and alterations to external finish.
-
26/01211/LBC Granted
Ann Duels House Holyport Street Holyport Maidenhead SL6 2JR
Consent to replace 8 No. casements in 3 windows on the front elevation
-
26/01557/LBC Granted
Wiggington House High Street Eton Windsor
Consent for roof works to include the following replacements to the existing roof: roof tiles, 4no. dormer lead roof coverings, timber facing boards, fascia and soffits, rainwater goods and 1no. chimney pot for 1- 5 and 12 -13 Wiggington House.
-
26/01084/LBC Refused
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the retention of works to Blocks 6 and 8, including replacement of internal doors, erection of subdividing walls, installation of new DDA-compliant toilet, replacement of external DDA ramp, installation of window opening to internal partition and proposed replaced of external double doors to Block 6.