Oh gosh, the number of times I’ve been round the outside of my house in very bad weather, just keeping fingers crossed that the gutter doesn’t detach itself again, or that the pots on top of the chimney pot do actually stay put – they look for all the world as if they’re ging to topple in the next gust.    Years ago I lived in a late Victorian inner terrace of three houses.  The guttering was always a mute piont – because it was a terrace, the cast iron guttering and wooden fascias ran along the entier length across all three houses, with holding clamps at regular intervals.  One winter we had very serious snow for many weeks.  It was so heavy and didn’t thaw, so eventually my father knocked on doors and got the other owners to