HMRC told to increase Personal Tax-Free Allowance to £15,597A petition on the Parliamentary website urges the Labour Party government to consider changes to the HMRC tax thresholds. View Image HMRC told to increase Personal Tax-Free Allowance to £15,597HMRC has been urged to change the Personal Tax Free Allowance to a higher threshold. A petition on the Parliamentary website urges the Labour Party government to consider changes to the HMRC tax thresholds. ‌It urges: " Set the income tax personal allowance to £15,597 & higher rate to £62,379.02." If you’re a Scottish taxpayer, the Scottish Income Tax rates and bands may be different from the rest of the UK.