Would it BU of us to write our Will this way?

The fact they're even commenting on this would very a huge red flag to me!

Well, you've answered yor own question really, as it will cause upset - so of you don't want that, then don't do it.

That said, it's your money your choice. I think anyone with kids should split evenly between them unless there's a very good reason not to, but as you don't I do think the "even split" issue is lessened...

I guess there's a question of whether it will cause upset for the sibling you do leave the house to (I.e. he'll have a place to live but his family will abandon him!) that might be a bad plan... I do think that all these relations of yours who are already indicating they expect a cut of your estate can get to fuck! That's really cheeky!

I've seen a will which was written like this, but living rhe house rent-free turned out not to be an option as the recipient of this offer didn't have the funds needed to keep the house running- money for upkeep and maintenance, council tax etc etc, so it ended up being sold. I'm the next generation down so got my inheritance much earlier than anticipated.

Assuming you want living in it be fully viable, it's an issue that's worth considering- can you leave some money for upkeep in conjunction with the house, both held in trust?

I might be reading this the wrong way, but surely tough if they have to wait for 'their' money. As PP said, I'd make this watertight for your DH because if he's older, and potentially vulnerable he could be coerced or manipulated to vacate the house. I've seen this happen before, people can get very greedy about inheritance. Get an executor who is unrelated that will have your DH best interest at heart. Sorry to sound cynical but it's important that you consider this

Your house might not be suitable for him long term. And who would pay bills and repairs? What if he nakes further bad decisions?

Perhaps better to set up a trust, with him as key beneficiary, so trustees can use your funds to support him, but retain control of how the money is spent

I'd suggest explain decision to nieces and nephews but v much in a " this is what we've done" not "this is what we're thinking of"

It's a lovely idea, but what about the practicalities of it? How long are you anticipating him living in it rent free for? What about maintenance during that time? Is he responsible for insuring it, and can he afford the utilities on a larger house? Will it cause problems for him within the family if the army of nieces and nephews are bitter about waiting? Might be better just to gift him a lump sum and leave the rest to everyone else

I would probably change as long as he needs to, to a set amount of time/for his lifetime so he doesn’t get hassled to move out? Would that be practical?