Why home environment matters for Heart Failure
Cold homes are causally linked to cardiovascular events including heart failure exacerbation. Each 1°C below 18°C indoor temperature in winter raises cardiovascular admission and mortality risk. The Marmot Review and subsequent NIHR work establishes cold-home exposure as a leading cause of excess winter cardiovascular deaths in England and Wales. Damp homes compound the burden through respiratory infection, which precipitates heart-failure exacerbation. Indoor air pollution (PM2.5) is causally linked to acute cardiovascular events.
UK prevalence: Approximately 920,000 people in the UK live with heart failure, with around 200,000 new diagnoses annually. NICE estimates 1 in 5 people will experience heart failure in their lifetime.