Planning application
20 Air Street London W1B 5AN
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Installation of two rooftop condenser units.
As published by the council, reference 26/00274/LBC
Application record
- Reference
- 26/00274/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Jan 2026
- Validated
- 11 Feb 2026
- Decided
- 17 Apr 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1B 5AN
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2026: 3 approved, 0 refused.
-
26/06386/FULL Awaiting decision
20 Air Street London W1B 5AN
Installation of a ventilation louvre within an existing third-floor window opening and associated mechanical ventilation equipment. (Linked with 26/06387/LBC)
-
26/06387/LBC Awaiting decision
20 Air Street London W1B 5AN
Installation of a ventilation louvre within an existing third-floor window opening and associated mechanical ventilation equipment; internal alterations to reconfigure the Level 3 lounge, including new partitions, bar fit-out and associated building services. (Linked with 26/06386/FULL)
-
26/00273/FULL Granted
20 Air Street London W1B 5AN
Installation of two rooftop condenser units.
-
26/00013/FULL Granted
20 Air Street London W1B 5AN
Installation of new plant on the main roof of the building.
Timeline
Dates from the published record
-
19 Jan 2026
Received by Westminster
-
11 Feb 2026
Validated
Checked as complete and ready for consideration.
-
17 Apr 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Stirling Planning Limited Agent, a planning consultancy registered in Whiteleaf
Active · incorporated 2024 · Whiteleaf
8 applications on PlanIndex · across 3 councils
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
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 17 April 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 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 0.3 miles
-
20 Air Street London W1B 5AN
88% historically approved · decision due ~23 Dec
Installation of a ventilation louvre within an existing third-floor window opening and associated mechanical ventilation equipment. (Linked with 26/06387/LBC)
Awaiting decision Full applications Windows or glazing -
20 Air Street London W1B 5AN
90% historically approved · decision due ~23 Dec
Installation of a ventilation louvre within an existing third-floor window opening and associated mechanical ventilation equipment; internal alterations to reconfigure the Level 3 lounge, including new partitions, bar fit-out and associated building services. (Linked with 26/06386/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing -
First Floor 17 Air Street London W1B 5AF
89% historically approved · decision due ~26 Nov
Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.
Decided -
Ground Floor 17 Air Street London W1B 5AF
88% historically approved · decision due ~30 Sep
Installation of a new inward-opening painted timber-framed glazed entrance door within the existing ground-floor shopfront.
Decided Full applications Windows or glazing -
Ground Floor 17 Air Street London W1B 5AF
82% historically approved · decision due ~29 Oct
Display of externally illuminated projecting sign measuring 0.8m X 0.7m and externally illuminated fascia sign measuring 4.7m X 0.7m
Withdrawn Advertising 10 docs -
20 Air Street London W1B 5AN
Installation of new plant on the main roof of the building.
Granted Full applications 23 docs
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