With a winter garden you gain additional living space, enjoy the sun even in winter, although it is cold outside, and extend the summer.
The range is huge: a simple kitchen costs a few thousand francs in a Swedish furniture store, a luxury kitchen more than a Tesla Model S.
Old houses have charm, but also need a great renovation. The decision "renovation or new construction?" depends on rational and emotional factors.
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.