The household carbon footprint (HCF) is a measure of the total greenhouse gas emissions generated directly and indirectly by households. Various factors influence the HCF, with affluence being a significant determinant. Understanding how affluence and other determinants affect HCF is crucial for developing targeted strategies to reduce emissions and promote sustainable living. Affluent households tend to consume more goods and services, leading to higher carbon emissions. Greater disposable income often results in the purchase of larger houses, more electronic devices, and luxury items, all of which contribute to higher energy use and emissions. The adoption of modern conveniences and technologies, such as smart home systems and home entertainment centres, also contributes to higher energy consumption. Dietary choices influenced by affluence can lead to higher emissions. Affluent households tend to consume more meat and dairy products, which have a higher carbon footprint compared to plant-based foods. The preference for imported and out-of-season foods among wealthier households also adds to their carbon footprint due to the transportation emissions involved in bringing these products to market. Governments and organizations can support this by providing incentives for sustainable products and implementing policies that promote responsible consumption. The other determinants of HCF include geographic location, household size and composition, education and awareness, and access to technology and infrastructure. By understanding these determinants, targeted strategies can be developed to promote sustainable consumption, enhance energy efficiency, increase renewable energy use, and improve public transportation and infrastructure. Through collective efforts and informed policy-making, it is possible to reduce household carbon footprints and contribute to global climate mitigation efforts.