IHTM26131 - Step 4 - grossing up: deciding which type of grossing calculation to use

There are three different types of grossing up (IHTM26121) calculation which are

  • a simple (IHTM26141) grossing calculation
  • a four stage (IHTM26152) calculation, and
  • a ‘Benhamâ€� (IHTM26171) grossing calculation

The simple calculation can be used only when at the same title (IHTM26212),

The four stage calculation must be used where, at the same title, there are

  • chargeable specific gifts which are free of tax, and chargeable specific gifts bearing their own tax and/or
  • the residue is wholly or partly chargeable (though, as mentioned in IHTM26151 grossing up is rarely necessary if the residue is wholly chargeable)

‘Benham� type grossing is very rare and occurs where a testator provides for the residuary beneficiaries to receive specified proportions after all the Inheritance Tax has been paid.