If you really want to get a bit closer to Swedish building standards with a crappy house like this, you need to be putting external insulation on the building as shown by this block of flats in London.
防热流失的标准接近瑞典的楼房标准的话， 你得在楼房的内部加入很多的绝缘材料 正如我们所看到的伦敦的这一街区的楼房一样。