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Mansion Tax at £1.5m - what will this mean?

856 replies

MaureenOHara · 20/09/2026 09:27

Does anyone have any idea what this might mean for an individual and what it might do to the market. What happened to the £2m market and will that be replicated or is it different?

OP posts:
EasternStandard · 20/09/2026 15:42

TheSilverTeapot · 20/09/2026 15:38

Not millions. Nowhere near.

There are an estimated 673,143 homes worth £1 million or more in Britain, which is 63,500 fewer than during the 2022 mini-housing boom.

The decline is attributed to higher mortgage costs, changing lifestyle priorities, and tougher tax measures on prime properties.

Approximately half of all million-pound properties are located in London, with the South East and South West experiencing some values falling back below the £1 million threshold.

I agree with pp that Labour will likely move the threshold again. It hasn’t even been put in place and they already are looking at shifting it.

Then fiscal drag will kick in and numbers caught will creep up.

Of course with all this it’s taxing someone else hence the endless appetite for more taxes. It’s not working though due to behavioural and economic reality.

Schlossadler · 20/09/2026 15:45

badboss2020 · 20/09/2026 15:23

I live in a very very expensive area in the south east and yes it will include a lot of the houses here. Having said that, the people I know how have these £1.5m houses are very well off.
They really aren’t in the “3 bed terrace” scheme of things. More like 4/5 bed detached minimum.

How much of that wealth is simply leverage, do you think?

BananaPeels · 20/09/2026 15:47

Schlossadler · 20/09/2026 15:45

How much of that wealth is simply leverage, do you think?

I have never worked out how someone who has £400k equity and a £600k mortgage is more wealthy than a person who owns a £750k house outright.

Schlossadler · 20/09/2026 15:52

BananaPeels · 20/09/2026 15:47

I have never worked out how someone who has £400k equity and a £600k mortgage is more wealthy than a person who owns a £750k house outright.

Absolutely, they’re not - leverage works on rising market/asset values - not the other way round.

Point is - the mansion tax will really hit those who leveraged up post pandemic.
2023-2026 saw gains of about national gains of 5%, whilst the CPI increased by over 10%, so inflation adjusted returns have been negative.

ThisOldThang · 20/09/2026 15:55

PigletJohn · 20/09/2026 13:34

It's widely recognised that the Council Tax system is illogical and unfair. Some people in small, low-value homes pay more than some people in large, high-value homes.

It was designed so that at the bottom end of home values, the tax might seem proportional to house value, but then it ramps away away and gives a much easier ride to people in the most expensive homes. In some cases, prosperous councils charge their prosperous residents next to nothing. It's almost as if the system had been designed to favour the rich.

The changes bring talked about now are attempting to reduce some of the injustices. If will take quite a while to get an overall reform.

Edited

Why should people that live in more expensive houses pay more for council services? I could understand if it was a percentage of earnings, but it's just illogical.

The poll tax was much fairer. A poll tax based upon income should be ideal.

caringcarer · 20/09/2026 16:03

Thin end of the wedge. I think before long Labour will want the tax on anyone with a house worth 1 million. I hope Labour get voted out. They are overtaxing everyone.

Mouldemort · 20/09/2026 16:03

EasternStandard · 20/09/2026 13:36

This isn’t council tax, which is paying for a local service.

But a way to hit some with an average sized terrace in London.

It's a wealth tax designed to hit millionaires. It's affects about 100,000 properties in London, where there are 4m or so dwellings - so that is 2.5%. If you own a £2m property, you are wealthy. If just so happens that the journalists and commentators who are complaining about this are wealthy, but think they are not.

Notmycircusnotmyotter · 20/09/2026 16:04

Classic Labour. Politics of envy. Squeeze middle earners in the south until they give up / cut their hours.

BananaPeels · 20/09/2026 16:04

Mouldemort · 20/09/2026 16:03

It's a wealth tax designed to hit millionaires. It's affects about 100,000 properties in London, where there are 4m or so dwellings - so that is 2.5%. If you own a £2m property, you are wealthy. If just so happens that the journalists and commentators who are complaining about this are wealthy, but think they are not.

How are you wealthy is you have a £2m property but only have £400k equity?

Mouldemort · 20/09/2026 16:04

caringcarer · 20/09/2026 16:03

Thin end of the wedge. I think before long Labour will want the tax on anyone with a house worth 1 million. I hope Labour get voted out. They are overtaxing everyone.

As for houses worth a million, that's 2.2% of all housing stock.

Pluto46 · 20/09/2026 16:06

caringcarer · 20/09/2026 16:03

Thin end of the wedge. I think before long Labour will want the tax on anyone with a house worth 1 million. I hope Labour get voted out. They are overtaxing everyone.

I agree - the worry is that anything they implement in the meantime will just be kept and blamed on them. Every new administration blames the one before so we'll be stuck with their magic money tree ideologies for ever more

EasternStandard · 20/09/2026 16:07

Mouldemort · 20/09/2026 16:04

As for houses worth a million, that's 2.2% of all housing stock.

It’s not raising much either, £800m. They’ll reduce it in time to catch more people.

Mouldemort · 20/09/2026 16:07

BananaPeels · 20/09/2026 16:04

How are you wealthy is you have a £2m property but only have £400k equity?

If you have a 1.6m mortgage, your income must be spectacular, and you'll barely notice this tax. You'd have to be on £300,000 a year, and the tax is £2500 a year.

BananaPeels · 20/09/2026 16:08

Mouldemort · 20/09/2026 16:07

If you have a 1.6m mortgage, your income must be spectacular, and you'll barely notice this tax. You'd have to be on £300,000 a year, and the tax is £2500 a year.

Edited

ahh but that’s a different issue. If you are merely taxing people who wouldn’t miss it then you can simply raise income tax surely?

LifeOnEnceladus · 20/09/2026 16:12

BananaPeels · 20/09/2026 15:15

this has already come out that this is the plan. They will legislate accordingly I am sure.

Not sure they can legislate against our entire legal process and its underlying principles, our system of property rights and protections, the burden of proof in legal proceedings and stacks of case law and legal precedents. To do so they’d have to basically rewrite our entire legal system.

LifeOnEnceladus · 20/09/2026 16:13

Pluto46 · 20/09/2026 16:06

I agree - the worry is that anything they implement in the meantime will just be kept and blamed on them. Every new administration blames the one before so we'll be stuck with their magic money tree ideologies for ever more

They’re like the Ryanair of politics. They’ll be taxing people on oxygen next.

Mouldemort · 20/09/2026 16:14

BananaPeels · 20/09/2026 16:08

ahh but that’s a different issue. If you are merely taxing people who wouldn’t miss it then you can simply raise income tax surely?

The purpose of this is to tax wealth and it will do that effectively. You've created an extreme outlier of someone with a £1.6 million mortgage with a vast income who has chosen to put themselves into this situation. It's disingenuous and it's a new version of the "little old lady" argument to stop Daily Mail journalists paying extra tax.

LifeOnEnceladus · 20/09/2026 16:15

Mouldemort · 20/09/2026 16:03

It's a wealth tax designed to hit millionaires. It's affects about 100,000 properties in London, where there are 4m or so dwellings - so that is 2.5%. If you own a £2m property, you are wealthy. If just so happens that the journalists and commentators who are complaining about this are wealthy, but think they are not.

Then it should be a tax on actual assets, not a tax levied in many cases on debt which already means that many of those paying it will already have significantly less disposable income than those who live in cheaper areas and often in much more luxurious houses.

BananaPeels · 20/09/2026 16:15

LifeOnEnceladus · 20/09/2026 16:12

Not sure they can legislate against our entire legal process and its underlying principles, our system of property rights and protections, the burden of proof in legal proceedings and stacks of case law and legal precedents. To do so they’d have to basically rewrite our entire legal system.

The government can pass any law it likes. That is the will of parliament. A wealth tax in itself is very un British but they are going for it anyway. vAT on education goes against everything that we stood for before that education was a public good but they did it anyway. This government will do anything to raise money on ideological grounds.

Vanillaicelatte · 20/09/2026 16:16

TheSilverTeapot · 20/09/2026 14:14

I agree. But there would be uproar.

He’s screwed
he can’t get the money he needs from the budget

he can’t raise tax even by a penny because of the previous manifesto

he needs a GE so he can set out what he wants to do
but if in his manifesto its hiking up tax / freezing the tax thresholds he will most likely lose

bananaobama · 20/09/2026 16:16

I live in the South East, expensive commuter town

£1.5m gets you a f off detached 5 bed property

tax em I say

EasternStandard · 20/09/2026 16:16

Mouldemort · 20/09/2026 16:14

The purpose of this is to tax wealth and it will do that effectively. You've created an extreme outlier of someone with a £1.6 million mortgage with a vast income who has chosen to put themselves into this situation. It's disingenuous and it's a new version of the "little old lady" argument to stop Daily Mail journalists paying extra tax.

It’s playing to the gallery. A tax bringing in £800m so posters will say as you do.

It’ll slide down again as there’s plenty more that can be collected.

And given Labour had apparently “fully costed and fully funded” everything their repeated borrowing and tax hikes show their policies are having bad outcomes.

KrankyKumquat · 20/09/2026 16:18

BananaPeels · 20/09/2026 16:04

How are you wealthy is you have a £2m property but only have £400k equity?

Of course you're wealthy if you live in a £2m property with £400k equity. If you can't afford your bills, you sell up and move somewhere where £400k plus a mortgage would buy you a stunning house. People with £2m properties have choices, and usually high paying jobs and savings. Jeez, where's my violin?

BananaPeels · 20/09/2026 16:18

Mouldemort · 20/09/2026 16:14

The purpose of this is to tax wealth and it will do that effectively. You've created an extreme outlier of someone with a £1.6 million mortgage with a vast income who has chosen to put themselves into this situation. It's disingenuous and it's a new version of the "little old lady" argument to stop Daily Mail journalists paying extra tax.

But it won’t stop at £1.5 million will it?. It will soon drop to £500k- then you will have outliers of people who have equity of £200k being taxed on a £500k property vs someone who owns a £300k property outright paying no tax. If you think the government won’t bring the limits down you are very naive. They were originally talking about £3m, which came down to £2m which now is down to £1.5m. Once the tax is established it will be an easy leaver to pull to raise more

Araminta1004 · 20/09/2026 16:19

Typical Labour tax. Will actually lose money as it is an envy tax not a money making tax. The loss will come from depressed prices and loss of stamp duty there, which is significant for higher value properties. As we need cash now to service the sovereign debt it is another bonkers Labour tax (its symbolic like private school VAT).