66 AYLMER AVENUE Set back from the road and surrounded by mature landscaping, this architect-designed split-level home offers privacy, space, & flexibility in the heart of Old Ottawa South. With approx. 3, 000sqft of living space, including a self-contained 1-bedroom basement apartment with a separate entrance, the layout is thoughtfully planned for comfort while accommodating guests, extended family, or additional income. Designed by architect James Colizza, the home features generously sized rooms, wide hallways, & expansive windows that fill the interiors with natural light. The main level opens from a spacious foyer into a bright living room with gas fireplace & flows into a dining area with banquette seating and modern kitchen overlooking the family room with a wood-burning fireplace, all connecting seamlessly to the expansive backyard for indoor-outdoor living. The 2nd level offers three large bedrooms with generous closets, light-filled hallway accented by glass brick details, & modern 4-piece bath, while the primary suite is set apart with WIC, private ensuite, & lovely neighbourhood views. The lower level includes laundry, storage, a flexible bonus room, & access to a bright, 2-level, self-contained apartment with its own kitchen, laundry, and private entrance. Outdoors, the landscaped backyard and side yards, designed by Sundaura Alford-Purvis, create a serene retreat with mature trees, raised garden beds, irrigation, patio space, & a pergola deck. Home Improvements: heat pump (2025), gas hot water heater (2021), interlock & landscaping (2019), side patio interlock (2018), eavestroughs (2012, 2016, 2018), primary bedroom heat pump (2015), basement window and window well (2013), fireplace & surround (2011), recessed lighting (2011), kitchen renovation (2010), insulation upgrade (2009), & multiple interior and window updates completed between 2008 and 2013. Approx monthly costs: Hydro $149.53, Heating $141.68, & Water $258 bi-monthly. (id:203)