HALF AN ACRE IN UPTOWN WATERLOO! Live grand and sever, or develop. Welcome to 78 William St W, a stately and elegant 5- bedroom homein Waterloo’s coveted Westmount neighborhood, just two blocks from Uptown conveniences and the Region's new LRT. Thoughtfully updatedwhile retaining its original character, the home features gracious principal rooms ideal for both everyday living and entertaining. The spaciousliving and dining areas flow seamlessly, enhanced by large bay windows that flood the space with natural light and showcase beautifularchitectural details—including original marble fireplaces that add timeless sophistication. The bright, functional kitchen offers ample storage andprep space, while the adjacent sunroom overlooks the expansive backyard and gardens—a peaceful spot for morning coffee or unwinding at theend of the day. Upstairs, you'll find five generously sized bedrooms, each with ample closet space, providing comfort and flexibility for families,guests, or work-from-home needs. Outside, the half-acre lot is a true highlight—offering privacy, mature trees, and abundant green space forrecreation, gardening, or future development. Initial planning work has been completed to allow for lot severance, creating the potential to sellpart of the land, build a custom home, or develop an investment property. Zoning also permits the construction of up to three Additional DwellingUnits (ADUs) in total. Whether you're seeking a distinctive family home with historic charm or a property with outstanding future potential, 78William St W presents a rare opportunity in one of Waterloo's most desirable neighbourhoods.