The Architecture Conservancy Ontario (ACO) Heritage Awards 2025 takes place every autumn to honour and celebrate those who have made significant achievements in heritage preservation in the previous year. The awards recognize the accomplishments of individuals and groups who have preserved community heritage, whether through advocacy, restoration, adaptive reuse, landscape heritage, research or craftsmanship.

The ACO Heritage Awards 2025 strives to bring province-wide attention to the achievements of its award nominees. Their work provides an example for others and is marked by innovative strategies, long-term leadership, significant restoration work and worthy service safeguarding Ontario’s built heritage.

Awards will be given in 11 categories, from advocacy and public education to restoration and adaptive reuse.