Wake up in v.cold flat. No electricity, it seems. Hmm. Flip all circuit breakers. No change. Call landlord: he is away. Call London Electricity. London Electricity come round, flip circuit breakers. No change. Hah. Stand around wearing duvet as if lemon while man investigates further, then decides he has to take down part of wall to replace wiring.
Say soddit, is warmer at work, and leave him to it under supervision of my nice Hungarian neighbour, who, I remain convinced, is a former Cold Warrior.