Tenants in a temporary housing block are being contacted by the council after temperatures inside homes reached a sweltering 36 degrees last week, with no way of opening the windows.
Thunderstorms and heavy rain could lead to flooding in London and the east of England, the Met Office has warned.
A yellow warning has been issued as weather settles in which might cause icy stretches and travel disruption overnight into Wednesday morning.
Wondering what the weather has in store for us this weekend? Watch our Met Office video forecast.
Londoners can expect very heavy rain, flooding and disruption to travel over the weekend as Storm Dennis swoops in.