United Kingdom · IHT form how-to

IHT form how-to: every HMRC box, worked through with real figures

Box-by-box walkthroughs of the inheritance tax and probate forms — IHT400 and its schedules, plus the PA1P and PA1A probate applications — each built around a worked example you can follow.

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How to Fill In Form IHT400: A Box-by-Box Worked Example for a £600,000 Estate The IHT400 Calculation Pages Explained: Working Out a £92,000 Tax Bill Line by Line Form IHT403 Worked Example: Listing 7 Years of Gifts and Calculating Taper Relief Form IHT402: Claiming a Deceased Spouse's Unused Nil Rate Band — Worked Example Form IHT405: Reporting the Deceased's House and Land — A Worked Valuation Example Form IHT409 Pensions: How to Report Drawdown and Death Benefits (and the 2027 Change) Form IHT421 Probate Summary: Which Figures the Probate Registry Actually Needs Form IHT423: Paying Inheritance Tax Direct From the Deceased's Bank — Worked Example IHT205 vs IHT400: Why Most 2026 Estates No Longer File IHT205 Form PA1P Worked Example: Applying for Probate When There Is a Will Form PA1A Worked Example: Applying for Letters of Administration With No Will IHT400 Rates and Thresholds for 2026: The Numbers That Drive Every Box

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