HMRC Penalties, Letters & Investigations Hub

Penalty types

Late filing vs late payment, and how each type is calculated.

HMRC letters

What different HMRC letters mean and how to respond.

Appeals

When and how to appeal a penalty, and what 'reasonable excuse' actually means.

Time to Pay

Setting up a payment plan with HMRC if you can't pay in full.

Investigations

What happens during an HMRC enquiry, and how to come out of one cleanly.

HMRC penalties overview

A summary of the main penalty regimes across Self Assessment, VAT, Corporation Tax, and PAYE.

5 min read

HMRC letters explained

What the most common HMRC letters mean and what to do when you receive one.

5 min read

How to appeal an HMRC penalty

When you can appeal, the 'reasonable excuse' test, and the steps to follow within the 30-day deadline.

5 min read

Time to Pay basics

How to set up a payment plan with HMRC if you can't pay in full, and what HMRC will and won't agree to.

4 min read

HMRC enquiry process

What an HMRC enquiry looks like in practice, the timeline, and how to manage one without unnecessary cost.

5 min read