With winter on the horizon and Brits closing up their homes to keep the cold out, it’s easy to forget about the importance of ventilation in preventing mould. But a few simple steps can help stop mould from taking root in your home during the colder months With winter on the horizon and Brits closing up their homes to keep the cold out, it’s easy to forget about the importance of ventilation in preventing mould. But a few simple steps can help stop mould from taking root in your home during the colder months Health