Went to the local Odean complex last night to watch a film that SWMBO wanted to see (and paid for!) - had to come out after about 90 mins because that particular "Screen" was cold (because temp was only around 16-17C and yet the aircon was blowing in COLD air and there were only about 20-30 people in a theatre that will hold several hundred) when we went in and by the time I came out my body core temp was dropping and I was shivering (and stayed that way for a couple of hours). Refused to go back in, and asked for, & got, SWMBO's money back (although it still cost me over a tenner for drinks & popcorn).
Got home around 9pm to discover that the alarm system appeared to have gone off and alerted keyholder neighbours - one of whom had come in and switched the alarm siren off. After a telecon with the alarm company, it appears to have been a front door sensor - but that's a magnetic contact that should only (AFAIK) operate when the door is actually opened (which we don't think it was) and so I hoping that it's just an "end-of-life" sensor failure (its 10 years old).
What an AWFUL evening