Planning application
Flat 5 Aquarius House 57A Lisson Street London NW1 5DA
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replacement of the existing single glazed timber sash windows with double glazed timber sash windows to the front and rear elevations.
As published by the council, reference 25/08845/FULL
Application record
- Reference
- 25/08845/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 5 Dec 2025
- Validated
- 5 Dec 2025
- Decided
- 27 Mar 2026
- Ward
- Church Street
- Decision by
- Delegated Decision
- Postcode
- NW1 5DA
Timeline
Dates from the published record
-
5 Dec 2025
Received by Westminster
-
27 Mar 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Vivendi Architects LTD Agent, an architecture practice
34 applications on PlanIndex · across 7 councils · 90% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
23 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 27 March 2026, 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
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Flat 4 Aquarius House 57A Lisson Street London NW1 5DA
Installation of three timber framed, double glazed windows to the rear.
Granted Full applications Windows or glazing 19 docs -
Basement To First Floor Rear 63 Lisson Street London NW1 5DA
89% historically approved · decision due ~15 Sep
Detailed drawings showing the details of the lower ground floor doors, details of section drawings of the new front windows at scale 1:10, details in writing appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site, details of how waste is to be stored on site and how materials for recycling will be stored separately, detailed drawings and specifications of screening to courtyard at ground floor level and details of detailed site investigation pursuant to condition 4, 5, 8, 10, 12 & 13 of planning permission dated 31st July 2025 (RN:25/03614/FULL)
Awaiting decision Windows or glazing -
63 Lisson Street London NW1 5DA
87% historically approved · decision due ~27 Jan
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Awaiting decision Full applications Extension Loft or dormer +1 24 docs -
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87% historically approved · decision due ~6 Jul
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Awaiting decision Full applications New dwelling 28 docsSeveral homes -
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87% historically approved · decision due ~14 May
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Awaiting decision Full applications 11 docsDomestic -
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87% historically approved · decision due ~7 Aug
Use of the lower ground and ground floor as a residential unit (Class C3)
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