I have been constantly surprised at the differences between the British and German RE markets over the past many years. This is a good article which lays out the comparison.
So while the grass in Germany is definitely a shade or two greener, it is not as verdant as you might have thought. The fact is that wherever you are, you don't want to be paying rent in your retirement. Although Germany is better value than the UK, buying property is still out of the reach of most.
The grim reality of today's property markets – whether it is Munich or London – is that most young people cannot get on the property ladder without parental help or inheriting.