This is the data behind the graph:
I would like to point out that the choice of the base year can be very significant.
Let’s see what happens when we change the base year to 2000 and 2001:
And if we look at it since the last General Election:
Resale prices up by 45.6%, while median household income is up 21.3%.
Choosing a suitable base year to support your conclusions is quite a useful trick that we should all learn.