Rubbish Check
Daily Mail Money (This Is Money) · 22 September 2026
source“Homes hit by mansion tax could double as Labour considers cut to £1.5M in Budget”
R2/ 10
Lightly altered
Rubbish Rating — 1 = base fact, 10 = pure rubbish
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In short
Rubbish Talk rates This Is Money's claim that mansion tax homes "could double" a 2/10 because Hamptons' own data shows the number rising from 135,000 to 272,000 homes if the threshold drops from £2m to £1.5m, almost exactly a doubling, and the headline correctly hedges with "could" and "considers" since the cut is not yet confirmed policy.
The Verdict
Lightly altered. The headline's central number, a doubling of affected homes, matches the primary analyst data almost exactly, and the conditional language ("could," "considers") accurately reflects that this is a reported option under discussion, not an announced change. The only nitpick is the word "hit," which frames the tax as an imposition rather than neutrally, but that's a soft editorial lean, not a distortion.
What actually happened
Property agent Hamptons published analysis showing that if the government lowers the mansion tax threshold from £2 million to £1.5 million, the number of English homes caught by the levy would rise sharply. Government sources told This Is Money that Prime Minister Andy Burnham and Chancellor John Healey are weighing exactly this cut ahead of the Budget. The mansion tax itself, officially the High Value Council Tax Surcharge, was announced in the October 2025 Budget and takes effect from April 2028.
Key facts
- Homes affected would rise from 135,000 (at £2m threshold) to 272,000 (at £1.5m threshold), per Hamptons, a rise independently reported by other outlets citing the same data.
- Around 80% of newly affected properties sit in London and the South East.
- London households paying the tax would jump from 84,000 to 150,500 (up 79%); South East from 27,500 to 62,500 (up 127%).
- East Midlands and West Midlands would see the steepest percentage jumps, 183% and 178% respectively, off small bases.
- The tax starts at £2,500 a year, rising to £7,500 for the most expensive homes, once it begins in April 2028.
- The pool of £1.5m+ homes has actually shrunk from 144,500 to just under 135,000 since October 2025 as prices in affluent areas cool.
What to watch for
- Whether Burnham and Healey confirm the £1.5m threshold in the actual Budget, or whether it's floated and dropped, a common pre-Budget trial-balloon pattern.
- Watch for coverage that drops the "considers" caveat and reports the cut as settled fact before it's legislated.
- Track whether falling prime property values (Hamptons flags a cooling market) shrink the affected pool further before 2028, which would undercut both the £2m and £1.5m projections.
About this scoreThe R-Score is Rubbish Talk's editorial opinion on how far a headline's framing sits from what the underlying facts support. It is a judgement about presentation and emphasis, not an allegation that any outlet has acted dishonestly. Every figure we rely on is linked under Receipts so you can check it yourself.
