Inheritance tax IHT may be payable when an individual's estate is worth more than the IHT nil rate band when they die.Lifetime and death transfers between UK domiciled spouses are exempt from IHT.A further nil rate band of £175,000 may be available in relation to current or former residences.The IHT threshold available on death may be increased for surviving spouses as there may have been a nil rate band not used, or not fully used, on the first death.There are reliefs for some business and farming assets which reduce their value for IHT purposes.IHT may also be payable on gifts made in an individual's lifetime but within seven years of death.Some lifetime gifts are exempt.Transfers of assets into trust made in an individual's lifetime may be subject to an immediate charge but at lifetime rates.There are also charges on some trusts.ThresholdStandard nil rate band: £325,000Rates Rate % Lifetime rate 20 Death rate 40 Death rate if sufficient charitable legacies made 36 Reliefs for lifetime giftsAnnual Exemption: £3,000Small Gifts: £250Marriage/civil partnership: The amount of relief depends on who the gift is from... Gift from Amount (£) Parent 5,000 Grandparent 2,500 Other spouse/civil partner 2,500 Other 1,000 Reduced charge on gifts within seven years of death Years before death % of death charge 0-3 100 3-4 80 4-5 60 5-6 40 6-7 20