Conservative peer also says that Britain will join the euro, that UKIP is a "racist" party and that Boris Johnson shouldn't stand for parliament before 2016.
If the Mayor returns to parliament in 2015, he will need a London seat.
Contrary to reports, the mayor is keeping all options open.
The Lib Dems says the top tax rate will be cut "over my dead body". But he said the same about the 50p rate in 2011.
The mayor wants strikes to be banned unless 50 per cent of staff vote, but turnout in the 2012 mayoral election was just 38 per cent.
Blow for the Mayor of London as his proposal of a Thames Estuary airport is excluded as "there are too many uncertainties and challenges".
After previously denouncing efforts to reduce inequality as "futile", the mayor concedes that the gap between the rich and the poor is too large.
All prices will still rise by at least 3.1% at a time when wages are rising by just 0.8%. But this remains a significant concession to Labour.
The mayor presented social mobility as compensation for inequality but it's the gap between the rich and poor that erodes opportunity.
Falling real wages and inflation-busting price rises mean that having a job is no longer a secure route to escaping poverty in the capital.