Why?

I'm sure that a search on the Internet would give me the answer, but I'm quite content with the question, why?

Why is a Naval ensign flying on the Bridport Town Hall?

In other news, it was a truly miserable day – apocalyptic, perhaps, so going out to find a replacement microwave oven was not a great idea.  The old one had been going for around 12 years, so I suppose it was OK to go u/s, but it was inconvenient, and expensive . . .