Liberal Democrat leader Nick Clegg told ITV1 Daybreak:
We think that those at the top should pay more.
A simple way this can happen in on those with properties worth more than £2 million.
They should not be paying the same council tax as everyone else.
They can afford to pay more...This is not the politics of envy.
This is not just about putting up taxes at the top, it is about putting taxes down.
The Liberal Democrats unveiled plans for young people to be able to use grandparent's pensions to get onto the property ladder
Bad polls from voters and Liberal Democrat supporters mean Nick Clegg has work to do at his party conference to prove he can still lead.
Anybody worth more than £1 million faces coming under scrutiny from inspectors in a fresh crackdown on tax avoidance.