The IHT400 Inheritance Tax Account is the main HMRC form used to report the value of an estate and assess whether any Inheritance Tax is due. It is required for most estates going through probate where the person died on or after 1 January 2022.
What does the IHT400 cover?
- Details of the deceased and the estate
- The full value of all assets at the date of death
- All deductible liabilities and funeral costs
- Gifts made in the seven years before death
- All applicable exemptions and reliefs
- The calculation of any IHT liability
When is it required?
For deaths on or after 1 January 2022, the IHT400 is required for most estates going through formal probate, regardless of whether any IHT is actually due. Previous rules allowed many estates to use a simpler excepted estate process, but these rules changed significantly in January 2022.
What happens after it is submitted?
HMRC reviews the IHT400 and acknowledges the estate’s tax position. If IHT is due, it must be paid (at least in part) before probate can be granted. HMRC then issues an IHT421 probate summary with a reference number required to submit the probate application to the Probate Registry.
YouCanDoProbate completes the full IHT400 and all required supplementary schedules automatically from your answers, with clear guidance on what to send to HMRC and the Probate Registry.
