Welcome to 12 Lewis Street, this elegant all-brick duplex ideally located in Ottawa's prestigious Golden Triangle, where city living meets a quiet, established neighbourhood feel. Presenting a rare opportunity for investors, developers, renovators, or those seeking to craft their dream home in a prime location. Zoning Code N4B[478], this well-appointed property features two self-contained units, each thoughtfully designed with functional layouts and timeless appeal. Unit 1offers a warm and inviting space, featuring a comfortable living room with a wood-burning fireplace, a dining room, a well-appointed kitchen, a bedroom, and a full hallway bathroom. The unit also provides direct access to the rear yard, enhancing both convenience and livability. Unit 2 includes a bright and spacious bedroom with an additional den/closet area, a full bathroom, a kitchen with quartz countertops, and an open-concept living and dining area. This level also features a dedicated laundry closet and access to a private rear balcony, creating a comfortable and functional living space. The classic brick exterior and deep urban lot provide exceptional potential for renovation, redevelopment, or customization, allowing the next owner to maximize the property's value and versatility. Additional features include a private backyard, side driveway with off-street parking, and an unfinished basement, offering ample storage and further development potential. Ideally situated just steps from Elgin Street and within walking distance to the Rideau Canal, National Arts Centre, downtown Ottawa, University of Ottawa, Lisgar Collegiate, parks, bike paths, LRT access, and an outstanding selection of restaurants and cafA(C)s, this property offers an unparalleled urban lifestyle in a quiet, established setting. This property must be sold together with 8 Lewis St and 10 Lewis St. Property sold as is, where is. 24-hour irrevocable on all offers.