Welcome to 21 Summit Street - Built in 1857, this 6 bedroom 4.5 bath Italianate Victorian stone masterpiece is believed to be the highest point of natural land in the city of Philadelphia. Built as a summer home for Samuel Austin, a Philadelphia attorney who purchased the land between the two Chestnut Hill railroad stations, the house has a walk-to-everything location that cannot be beat. You are greeted by soaring ceilings, gracious light-filled spaces, incredible original detail, millwork and hardwood floors throughout. The grand dining room is open to the renovated Chefs kitchen (2007) equipped with tons of cabinet space, high-end appliances including a SubZero refrigerator, Dacor range, Bosch dishwasher, a fireplace, island workspace, a desk area and a door to the back deck. Beyond the kitchen, enjoy the choice of two wonderful living spaces. The cozy den/living area with a fireplace and built-ins OR step up to the expansive solarium room of the addition with walls of windows and access to the outdoor wrap around mahogany deck with a cedar Pergola. The second floor offers 3 spacious bedrooms each with its own bathroom/suites including a lovely master bedroom with a walk-in closet and a newly renovated bathroom that offers two sinks, a walk-in seamless shower, gorgeous fixtures, tasteful finishes and radiant heat floors. The 2nd floor room of the addition is another sun drenched room with walls of windows and built-in cabinets/bookcases; perfect for an at home office or studio space. Three additional bedrooms and a renovated hall bath complete the third floor. Lets not forget the best part... access to the railing-enclosed platform on the roof. One can see the fireworks on the Delaware River on New Years Eve! Improvements include, three new natural gas high efficiency furnaces and two new central air conditioners, installed 2019, a resurfaced rubber roof in 2012 (coated in 2020), knob and tube wiring removed, new mahogany wrap around deck with cedar Pergola in 2011, new gas log set in den fireplace 2020, 400 bottle gated wine cellar remodeled 2018. Walk to EVERYTHING with it's Top of the Hill location (literally), including the R8 & R7 Septa rail lines, steps to Germantown Avenue's shops and restaurants, walkable to the Wissahickon trails, the Morris Arboretum, Woodmere Art Museum and so much more! This home is Historically registered.