Key findings
The proportion of UK estates liable to pay IHT to increase to 5% by 2027 and 7% by 2028.
Total amount of IHT due in Greater London is predicted to grow by 54% between 2022 and 2027, increasing to £2.6bn a year.
In 2026/27 Greater London could have 9,400 estates that are liable for IHT - representing a 43% rise compared to 2021/22.
Ten UK postcodes expected to see the number of IHT liable estates double between 2021/22 and 2026/27.
Average IHT bill in Greater London expected to be £275,000 by 2026/27 and even higher in Inner London (£340,000)
