Building activity index · #89
20 Air Street, W1B 5AN
In Regent Street north (W1B) — see every company in market in this district.
13
tracked occupiers
12
lease events in window
2
recent register events
Recent activity on the public record
building lease activity
12 lease events at this building in the last 21 days
5 Oct 2026
Planning application
🏗️ Planning: Pending [Westminster] — Installation of a ventilation louvre within an existing third-floor window opening and associated mechanical ventilation equipment (26/06387/LBC)
28 Sept 2026
Occupier identities are deliberately not published on this page. Signal tracks each occupier's move, fit-out and refurbishment signals individually — clients see the names, scores and timing. Data as of 12 October 2026, from public registers (planning, works, the lease register, rates).
Who's moving in — or out — of 20 Air Street?
See the named occupiers, their lease windows and their move signals.
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