This headline in the Sun newspaper refers to a recovery in the property market in the UK. When people buy a home in the UK they rarely think of staying there for the rest of their lives. Instead it is seen as a "rung" on the "property ladder". The idea being that your next home will be bigger and better. So the headline is a play on the term "property ladder" to show that people are glad that there are signs of recovery.You can read more about housing in the UK here.