A window from a fifth floor block in South Kilburn miraculously hurt no-one when it crashed on to a pavement below.
Residents still don't know how a window on the fifth floor of Chase House, Hansel Road, smashed onto the street on March 13.
The block is managed by L&Q Housing Association which has asked neighbours to keep windows shut "while we investigate".
“It was only by luck it didn’t kill anybody," said Lucie Gutfreund, who lives on the ground floor. She described the moment as "another day of stress and terror".
"We still don’t have any answers and it’s been over two weeks. There’s been plenty of surveys but we’ve had no results,” she added.
“Obviously, we’re quite concerned. Not just because this could happen again, but also because if anything needs to be fixed, who’s going to pay for it?"
Lucie and other neighbours have been vocal about defects in the building including leaking balconies leading to damp and mould; and a malfunctioning door entry system.
“Mentally it's becoming quite unbearable and I’m finding it difficult to sleep.
"I don't know when these blocks will ever be fixed and when flats will become saleable. "It is a huge burden on all of us here.”
An L&Q spokesperson said it was "a shocking and worrying incident" where "thankfully no-one got hurt"
"The safety of our residents is L&Q’s number one priority, and we are very sorry for the concern this has caused.
“Our surveying team attended the site immediately to make the window safe and begin a thorough investigation into why and how this happened.
“Further inspections have been carried out by L&Q, the developer and the window manufacturer as part of the investigation.
“Inspections have also been completed in other homes within the block to ensure restrictors are fitted and windows are operating correctly.
“We have asked residents to keep windows shut while we investigate and will keep them informed and updated.”
A Brent council spokesperson said: “It’s important to us that all residents live in safe and well-maintained homes.
"L&Q informed us that all other windows in Chase House have subsequently been inspected, with no faults found."
They said residents can complain to the Regulator of Social Housing.
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