The plans will appeal, too, to the invaluable "grey vote". Under one option being considered by Mr Willetts, anyone on income support or other benefit would receive an automatic rebate without any need to fill in forms or go through complicated means testing. He would also raise the entitlement threshold to cover not just the very poorest, but also those on modest incomes. Some pensioners now spend more than a third of their household income on their council tax bill.