From Longman Dictionary of Contemporary Englishpersonal allowanceˌpersonal alˈlowance noun [countable] British EnglishPET the amount of money that you can earn each year before you must pay income tax
Examples from the Corpus
personal allowance• Under this there will be a basic personal allowance topped up by premiums for certain groups.• As with the personal allowance, older people enjoy a more generous married couple's allowance.• But however large your income, your personal allowance can never be reduced below the basic personal allowance.From Longman Business Dictionarypersonal allowanceˈpersonal alˌlowance [countable] British EnglishTAX the amount of income that each person can earn each year without paying tax on itSYNpersonal exemption → allowance 