After 10 years, the first measures become due. The renovations become larger as the years go by. Plan early and put money aside.
In July and August it often gets hot in the attic. Even if the roof is insulated. What can you do against late summer heat and thick air?
After retirement, you have to manage with less income. That's why banks require you to pay off your 2nd mortgage by the time you retire.
When you buy an electrical appliance, one of the things you should compare is its energy efficiency. The new energy labels simplify the comparison.