The life cycle assessment (LCA) of wood augmented with nanoparticles looks into the entire range of health and environmental effects related to this cutting-edge substance. By adding nanoparticles to wood, its mechanical qualities—such as strength, durability, and resistance to rot and pests—are greatly improved. This can increase the product’s lifespan and decrease the need for replacements. By reducing the need for chemical treatments and preserving resources, these advancements may have a positive impact on the environment. However, there are worries over the environmental impact of these methods because producing nanoparticles requires a lot of energy and may release harmful compounds. Furthermore, the improved performance of the wood during the product’s use phase may help to reduce total environmental consequences. On the other hand, there are significant obstacles in the disposal process of wood that has been infused with nanoparticles, especially when it comes to the release of nanoparticles into the environment during decomposition or burning. Because of the threats these particles bring to human health and ecosystems, proper management and disposal procedures are necessary. The Life Cycle Assessment (LCA) highlights that although the incorporation of nanoparticles into wood products presents encouraging advantages, it is imperative to implement sustainable production methods, carry out thorough evaluations of health and environmental risks, and create efficient regulatory structures. In order to balance innovation with sustainability and guarantee that technological improvements do not jeopardize ecological integrity or public health, a comprehensive approach is necessary.