London flat. Her specialty was cooking a big pot of rice and another pot of veg (always in our pots, not hers) then eat a portion of it and leave the two pots on the stove for next day. Then heat up, eat, leave out and repeat for another 4-5 days until they ran out.
Eek - in your house - sounds like the tagline to a movie? I've had one really bad one and a few careless ones but majority really good.