Here are some calculations from one of the estate agents pointing out how much tax is associated with buying and owning a £3m mansion, or as some would call it in London, a family sized home.
£2,660,000
Income tax and NI paid on the £3,000,000 of net income required to buy the property
£210,000
Stamp duty paid on the purchase (7% on £3,000,000)
£350,000
Annual mansion tax for 35 years (1% on £1,000,000)
£1,070,000
Inheritance tax on sale proceeds (40% on £2,675,000)
£4,290,000
Total tax take on lifetime ownership of £3,000,000 property