The UK’s estimate for underpaid and evaded tax by wealthy individuals has risen for the second year in a row, as HMRC cracks down on high net worth non doms.

Multinational law firm Pinsent Masons said the ‘tax gap’ for wealthy individuals reached £1.7 billion in the past year, up from £1.6 billion last year and £1.3 billion two years ago.

Steven Porter, partner at Pinsent Masons, warned that the increase would likely result in HMRC getting more aggressive in how it investigates wealthy individuals’ tax affairs.

“While routine audits were suspended for a period during the pandemic, we expect to see...