There is no doubt that eliminating fossil fuels from our home heating is going to be both costly and inconvenient. There will be huge change-over costs followed by increased running costs, whether we are forced down the heat pump route or the hydrogen gas route.
When the UK chose to move from town gas to natural gas in the 1970's it was a clear benefit as the gas was going to be cheaper. That is clearly not the case here. We still don't know which system our rulers will choose or when or how it will be paid for.
Here in this linked article we can see a detailed look at the problems with the hydrogen option.