This is how long insulation lasts and how often it should be replaced, according to the pros

Cosy snug living room with green walls and pink chairs with double doors leading to conservatory.

If you want your home to feel warm and cosy all winter, then you'll need your insulation to be in good nick. But how long does insulation last, and how often should it be replaced in order to do its job effectively?

The good news is that, if installed properly, your insulation should last for decades. However, regardless of what's in your insulation, there are factors that can affect its longevity.