A Metropolitan Police spokesman said they were called to an incident in Spencer Road, Chiswick, shortly after 8pm on Thursday, March 13.
He said: "No allegations were made and no-one suffered any injuries."
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The pop-up, called, Annie the Owl, will open in Soho in March where guests will sit in the company of owls.
The designs were unveiled as Boris Johnson claimed the flats and houses would be built six years earlier than planned.
Jo Shuter, former headteacher at Quintin Kynaston in Swiss Cottage remembered a "hardworking and aspirational young man".