Auk Kootstra has done a lot to make his century-old house in the northwestern Dutch town of Enkhuizen more energy-efficient.
He insulated the floor, the cavity walls, most of the roof and put in double glazing windows. Last year, Kootstra installed a new boiler.
But in recent letter from the Dutch government, he was told that his house would preliminarily be assigned energy label G – the worst on a seven-letter energy efficiency Enjoy access to all articles and 25 years of archives, comment and gift articles. Become a member for as low as €1,75 per week.To read this story, log in or subscribe