Debris rained down into two homes in Drewry Lane, one belonging to Mrs McKechnie, the other to a 95-year-old woman who was in hospital at the time. The wall flattened her garden shed.
Residents say it is lucky no-one was seriously injured. They're also worried about asbestos dust on the site.
More top news
Nottinghamshire Police has charged a 23-year-old man with murder following the death of a 16-year-old girl.
Derby County defender Jake Buxton has today joined fellow Championship side Wigan Athletic for an undisclosed fee.
Rain overnight, clearing Wednesday morning. Showers possible by the afternoon.