30/01/2026
Missed the Self Assessment deadline? ⏰
Late filing or paying your Self Assessment tax return can be costly. HMRC penalties start at £100 for just 1 day late and can rise to £1,600+, with extra charges for late payment of up to 15% of the tax owed.
Our latest blog explains how these penalties are calculated and how to avoid them.
Late filing or paying your Self Assessment tax return can be costly. HMRC penalties start at £100 for just 1 day late and can rise to £1,600+, with extra charges for late payment of up to 15% of the tax owed. Our latest blog explains how these penalties are calculated and how to avoid them.