Now is a good time to pop outside and have a look at your roof. The amount of snow on it will give you a good indication of how effective your loft insulation is. But put your wellies on and wrap up first.
Redbridge Emergency Information - click!
Press Release from RSPB: Snow way birds could survive this weather without our help.
And here’s a picture from Freewheeler over in Walthamstow - "The Ancient House, Walthamstow village. Supposedly the oldest continuously inhabited building in London." Either they are out and the heating is not on, or the loft insulation is damn good.