To ask the Chancellor of the Exchequer whether his Department has estimated the revenue that would be lost to the Exchequer if principal residences were exempt from inheritance tax. (143283)

Exempting principal residences from inheritance tax from 2008-09 onwards would incur a full year cost of around £1.7 billion.

To ask the Chancellor of the Exchequer what estimate he has made of the cost to the Exchequer of raising the inheritance tax threshold to £500,000. (143341)

Raising the inheritance tax nil rate band to £500,000 from 2008-09 would incur a full year cost of around £2 billion.