John my bud, I really like your common sense and taste of humor that sometimes is really lacking here, but this is a lost cause, my friend.
And I am saying that with no satisfaction because a sane human can't have any towards the fact, that other person died.
You have figured out - not you, but I mean your govt agencies - a statistical figure for something, that no other country in Europe is measuring.
You have named it.
And you are making calculations of the cause.
We have no such hike here in Poland. Sure, some people die due to cold, but those are homeless.
Or people who didn't cared of technical condition of heating system, and died because of oxygen monoxide.
Someone who was too sick, or too weak to fill a furnace.
They wrote about any single case in a local press, because that is a bizarre thing.
People don't die here because of pneumonia. Because they have heating and decent living conditions.
Influenza in the last season of 2020/2021 brought a ZERO deaths, out od 2.8 mln cases. Yes, I know, strange - but those are official data, and just same are reported to the higher command
For a previous season, it was 3.8mln cases and 64 deaths.
What is the reason f it? Well, not sure, I don't live in the UK. But I guess your overall cost of heating is an issue here, and it can be somehow connected to the fact, that for years, UK is not bonded with any long-term contracts, just buying the gas on spot. About 9bcm of it - in Russia
If you can tell me how much is the season cost of heating is for a family in the UK, with detail like the size of the home, of a family, and accepted temperature - , maybe we can do some comparisons and came out with conclusions.