UK mansion tax 2026: bands, dates, and who pays

If your home is worth less than £2 million, you do not pay the mansion tax. That is the only sentence most UK homeowners need from the rest of this article. The full picture matters for the small share of owners who sit near or above the threshold, and for anyone following how the rules are taking shape ahead of the Budget.

What is the mansion tax officially called?

The mansion tax is the popular name for the High Value Council Tax Surcharge, usually shortened to HVCTS. The HVCTS is a new annual charge on homes valued at more than £2 million in England, paid on top of existing council tax. It was announced at the Autumn Budget on 26 November 2025.

How much will the mansion tax cost?

The charge is banded by property value. The bands and annual amounts were fixed in the Budget announcement and rise each year in line with consumer price inflation, so the thresholds are not frozen.

Who pays the mansion tax, owner or tenant?

The owner pays. The charge falls on whoever holds title to the property, not the occupier.

• A landlord who lets out a £2.5 million house pays the surcharge themselves.
• A tenant living in that house does not.
• If a home is jointly owned, the joint owners share the bill in the usual way for council tax.

When does the mansion tax start?

Collection begins in April 2028, added directly to the owner's annual council tax bill. Valuations begin earlier. The Valuation Office Agency will assess potentially liable properties from 2026, focused on homes already in council tax bands F, G and H.

What happened to the government consultation?

It closed. The consultation on how the High Value Council Tax Surcharge would be designed and delivered ran for eight weeks, from 19 May 2026 to 14 July 2026, and the government is now considering the responses. The main provisions are expected to appear in a future Finance Bill, with a government response and draft legislation published before the April 2028 start.

The consultation asked who would be liable in different ownership situations and proposed exemptions for student halls of residence, military and diplomatic accommodation and social housing. It also set out a deferral mechanism for owners who cannot pay each year. Early proposals suggested owners with household income below £35,000 and savings under £16,000 could defer the surcharge until they sell.

Two categories were raised by respondents and are not currently in the proposed exemptions: working farmhouses and conditionally exempt historic houses. Those are the points most likely to move before the rules are finalised.

Could the mansion tax change at the Budget on 28 October 2026?

It could, and this is where most of the current speculation sits. The Autumn Budget falls on Wednesday 28 October 2026, a date confirmed by the Office for Budget Responsibility on 31 July 2026. Reports that the £2 million threshold could be lowered to £1.5 million have circulated, and as at 28 September 2026 they remain unconfirmed.

Two related ideas were ruled out for this Budget in July 2026: changing or scrapping stamp duty, and replacing stamp duty and council tax with a single annual property tax on all homes. Those are often confused with the mansion tax in headlines, so it is worth separating them.

How many homes sit close to the £2 million line?

More than the headline count suggests. Knight Frank's head of UK residential research, Tom Bill, estimates that 73,600 homes are valued between £1.8 million and £2.2 million. That is the grey area where a valuation could reasonably land either side of a £2 million threshold, and where appeals are most likely.

If the threshold were cut to £1.5 million, the equivalent grey area would hold 222,800 homes, roughly three times as many, with London and the South East most exposed. The same analysis expects the surcharge to put some owners off trading up and to bunch prices just below the line, as the old stamp duty slab system once did.

How will my home be valued?

The Valuation Office Agency is the government body that assesses properties for tax. It will work from recent sales data, aerial maps and past planning applications. A surveyor may visit in person where that desk-based picture is unclear or the property is unusual.

Owners can appeal a valuation through a formal process similar to a council tax band appeal. The Office for Budget Responsibility expects roughly 20% of liable owners to appeal, with around 40% of appeals succeeding.

How many homes will pay the mansion tax?

About 165,000 homes are expected to qualify when the tax begins, rising to roughly 167,000 by 2030 to 2031. That is fewer than 1% of residential properties in England. Roughly 85% of those homes are in London and the South East.

Across the rest of England, qualifying homes are scattered, mostly in prime areas of major cities. For most owners the threshold is a long way off. The average UK house price was £273,000 in July 2026, so an average home would need to be worth more than seven times its value to fall into even the lowest band.

Should the mansion tax change when I sell?

For homes well below the £2 million threshold, no. The mansion tax has no effect on the sale of an average UK home, and it is a charge on owning rather than on selling.

For homes near or above the threshold, the answer is more nuanced. The surcharge is paid by whoever owns the home in each year from April 2028, so the timing of a sale matters, and pricing at the top of the market may move before then. Anyone in that position should speak to a tax adviser rather than act on a headline.

Most UK homeowners will read about the mansion tax, check whether their house is worth more than £2 million, and never think about it again. That is exactly the right reaction.

What should I do now if my home is close to the threshold?

1. 1. Check the rough value of your home

   Look at recent sales of similar homes on your street through HM Land Registry, or compare local agent valuations to get a realistic range. If the figure is comfortably under £2 million, no further action is needed.

2. 2. Keep an eye on the Budget on 28 October 2026

   The threshold is currently £2 million. Reports of a cut to £1.5 million are unconfirmed, and the Budget is the next point at which anything could change.

3. 3. Watch for a Valuation Office Agency letter

   Properties expected to be liable will receive a notice from the Valuation Office Agency setting out the assessed value and how to appeal it.

4. 4. Decide whether to appeal the assessment

   If you think the valuation overstates your home's value, file an appeal through the formal route. The Office for Budget Responsibility expects roughly 40% of appeals to succeed.

5. 5. Seek tax advice before any sale near the threshold

   If your home sits close to £2 million, talk to a tax adviser before deciding when to sell. The interplay between the surcharge, council tax and stamp duty is technical and worth getting right.

How does the mansion tax compare to other UK property taxes?

Three taxes can already apply to a UK home over its life. The mansion tax adds an annual layer at the top of the market and does not change the other three.

Before any tax-related decision, get an honest read on what your home is worth today. ValuQ gives UK homeowners free, side-by-side property valuations from competing local estate agents, without handing over personal details. That is a fast way to check whether your home sits near the £2 million threshold or comfortably below it.

Common questions about the mansion tax