Posts tagged "Mansion Tax"
Bar chart showing the shift below each round number from £1m to £6m: Statistically notable positive shifts below round numbers are observed at £2m (around +21 percentage points) and £3.5m (around +43 percentage points), while estimates at £4.5m and above have very wide confidence intervals. The shift below each round number Percentage points Y-axis: -50, -25, 0, 25, 50, 75 Values (approximate bar height and error bar range): £1m (blue): 6 (error bar: 0 to 8) £1.5m (blue): 4 (error bar: -2 to 9) £2m (red): 21 (error bar: 11 to 29) £2.5m (red): 11 (error bar: -2 to 24) £3m (blue): -3 (error bar: -18 to 13) £3.5m (red): 43 (error bar: 20 to 61) £4m (blue): -7 (error bar: -29 to 22) £4.5m (blue): 1 (error bar: -26 to 45) £5m (red): 34 (error bar: -7 to 62) £5.5m (blue): 17 (error bar: -20 to 56) £6m: ~0 (error bar: -41 to 51)
22 September 2026 Analysis

What effect is the mansion tax having on house prices?

We’ve found the first hard evidence that the mansion tax is impacting the property market – house sale prices are bunching just below the £2m mansion tax threshold. Since the tax was announced, the share of nearby sales priced just below £2m has risen sharply, while the share at exactly £2m has fallen. We think […]
a map of England showing the projected impact of a £1.5m mansion tax
7 July 2026 Analysis

What if Andy Burnham lowered the mansion tax threshold to £1.5m?

The November 2025 Budget introduced a “mansion tax” – formally, the “high value council tax surcharge” – an annual charge on homes worth £2m or more. The Mail on Sunday reported in July 2026 that Andy Burnham might lower the threshold to £1.5m. The Times reported in September 2026 that it was under active consideration. […]
Choropleth map of England and Wales divided into local areas shaded in various shades of blue: Darker blue areas are heavily concentrated across London, the South East, and parts of the South West and the Welsh borders, while large parts of the North of England, rural East Anglia, and parts of Wales appear in lighter shades of blue or white.
27 November 2025 Analysis

The mansion tax map: where the money comes from

We’ve modelled the impact of the English “mansion tax” by analysing land registry data on every property transaction since 1995. This lets us estimate how much each postcode and Parliamentary constituency will pay. It’s an approximate and lower-bound estimate – see methodology details below. As property taxes are devolved, there’s currently no mansion tax in […]

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