@Blusterylimp my comprehension skills really aren't lacking, but maybe yours are? We're all listening to your point, it's just very few posters agree with it. Here's why - I'll try going slowly & without being rude:
"I don’t think it should be relevant how privileged or affluent we are."
Obviously you're welcome to think what you like. Sadly (for you) UK tax code is such that if someone has £325 to their name when they die, they can give it to whoever they like & no tax is deducted. Same at £3.25k, same at £32.5k, same at £325k - the latter of which is QUITE a lot of money, by any reckoning. After that tax is due.
"A lot of posters have incorrectly assumed that owning the property as joint tenants protects from IHT at the death of the first person in the couple."
Yeah, they keep getting corrected though don't they, so there is value to your thread!
"There is no reason why that shouldn’t be the case for cohabiting couples who own a property as joint tenants as that would protect their home on the first death."
Actually, this is your fundamental poor assumption. There are MANY, MANY, co-habiting couples in situations completely different from yours, who very much WOULDN'T want the value of their jointly held property to be assumed to go to their partner with an additional nil-rate IHT allowance. Maybe they have children by a different partner? Maybe they want it to go to a charity? Maybe they want it to go to their fancy piece round the corner? The additional nil-rate primary property IHT allowance for spouses/civil partners is wrapped up with the laws of intestacy. So if you die with no valid will, all assets default to the legal partner - or otherwise to children/parents/sibling in that order.
Many, many people CATEGORICALLY do not want a co-habiting partner to be prioritised above blood relatives (usually because of children from earlier partners). Therefore in the UK there is NO presumed time period or circumstances for a co-habiting arrangement to result in transfer of property to the co-habitee upon dying intestate. Therefore there is ALSO no additional nil-rate primary property IHT band available. (We all understand this is the part that makes you sad because it means a bigger tax bill on death).
"They would still pay IHT on any other assets so the differentiation between them and married and civil partners would still exist but their home would be safe until the second death."
Great. Under the IHT @Blusterylimp amendment Act 2025, this would suit your circumstances perfectly. The vast majority of people are comfortable that we don't need to start pulling the tax code apart at the seams to codify why or when a co-habiting partnership becomes serious enough to receive an additional nil-rate IHT allowance.
This is because there is an existing process for this which takes less than 2 hours of anyone's time, and under £200 to do.
Therefore we don't need volumes of new tax code defining when a partnership does or doesn't become worthy of the additional allowance. We have a VERY clear opt-in system, which is no hassle at all and doesn't require months of MPs debating time to adjust. (This is called Civil Partnership.)
"I don’t understand what the objection would be to this."
See above. Also, I'd rather our MPs got on with more pressing stuff. I suspect most taxpayers would.
"I feel like I’m saying the same thing over and over and the replies don’t address my point."
They do address your points, as broken down above. You just don't like the answers. It's different, bad luck.