Deduction of Personal allowance

Hello Would like to ask if I have contribute part of my gross income to Pension that make the remain (Gross - Pension) is less than 100K pound annually, then if there is any reduction in my personal allowance? Thanks Freddie

Hi,
If your adjusted net income is less than £100,000, then there will be no reduction to your Personal Allowance. You can see guidance here:
Personal Allowances: adjusted net income
Thank you.