Planning application
Flat 2 19 Upper Wimpole Street London W1G 6LY
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard.
As published by the council, reference 25/06204/FULL
Application record
- Reference
- 25/06204/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 1 Sep 2025
- Validated
- 21 Sep 2025
- Decided
- 7 Nov 2025
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1G 6LY
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
25/06205/LBC Granted
Flat 2 19 Upper Wimpole Street London W1G 6LY
Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)
Timeline
Dates from the published record
-
1 Sep 2025
Received by Westminster
-
21 Sep 2025
Validated
Checked as complete and ready for consideration.
-
7 Nov 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
25/06205/LBC Granted
Flat 2 19 Upper Wimpole Street London W1G 6LY
Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)
Who's behind it
Company information only, from the register and Companies House
Design Extension Agent, a design practice registered in Purley
Active · incorporated 2025 · Purley
125 applications on PlanIndex · across 24 councils · 76% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
20 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 7 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Flat 2 19 Upper Wimpole Street London W1G 6LY
Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)
Granted Heritage and listed buildings Windows or glazing 17 docs -
18 Upper Wimpole Street London W1G 6LX
Internal alterations associated with the use of the property as a single family dwelling.
Withdrawn Heritage and listed buildings 2 docsDomestic -
18 Upper Wimpole Street London W1G 6LX
Use of ground and first floor of 18 Upper Wimpole Street as residential accommodation in connection with the use of the building as a single dwelling house. (Part of land use swap with 110 Harley Street).
Withdrawn Full applications 8 docsDomestic -
18 Upper Wimpole Street London W1G 6LX
Internal alterations at basement ground and first floor levels and external alterations including replacement windows to rear elevation and removal of rear extension at second floor level.
Granted Heritage and listed buildings Extension Windows or glazing 3 docs -
18 Upper Wimpole Street London W1G 6LX
Use of the second, third and fourth floors as a maisonette (Class C3) and associated internal alterations.
Granted Lawful development 7 docs -
18 Upper Wimpole Street London W1G 6LX
Approval of details pursuant to Condition 1 of listed building consent dated 21 June 2010 (RN: 10/03535), namely the submission of detailed drawings of all new doors, windows and decorative joinery or plasterwork including skirtings, balustrades, dados and cornicing.
Granted Conditions Windows or glazing 3 docs
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