Black mould and regular mould differences explained — one has serious health risk

One type of mould has a '7 out of 10' health risk.07:39, 02 Aug 2026Mould is a widespread issue in homes throughout Wales, and it can be an alarming discovery. What begins as a minor problem in the corner of a room can quickly develop into a serious health concern.‌Mould tends to thrive in damp areas of the home such as bathrooms, kitchens and cellars. However, it can also lurk behind wallpaper, beneath carpets or in the loft.‌There are two distinct varieties of mould — black mould and regular mould. Both can cause problems, but one poses a significantly greater risk to health than the other. Understanding the difference and knowing how to tackle mould before it worsens is absolutely essential.‌What is black mould?Black mould is hazardous when left untreated. It carries a musty odour and m