1 Killowen Old Road, Rostrevor, Co. Down is an exceptional contemporary family residence, designed by renowned local architect Patrick O’Hagan and constructed in 2013 to an exceptionally high specification. Located within one of South Down’s most desirable residential settings, the property enjoys a rare position between the Mourne Mountains and Carlingford Lough, on the edge of the coastal village of Rostrevor.

Set within exceptional private landscaped gardens, the house is discreetly positioned to provide a strong sense of privacy while taking full advantage of its dramatic natural surroundings. The architectural design makes extensive use of glazing to maximise natural light and create a strong connection between the interior spaces and the gardens beyond.

Internally, the accommodation extends to approximately 5,500 sq ft, providing generous and well-balanced living space suited to both family life and entertaining. The layout is practical and flexible, with six well-proportioned bedrooms and a range of reception areas that flow naturally to the outdoor terraces..

A notable feature is the detached annex, which incorporates a gym at ground floor level with a first-floor den above, offering excellent flexibility as a home office, studio, guest accommodation or independent family space.

Contemporary in design yet warm and homely, 1 Killowen Old Road offers a carefully considered blend of space, privacy and setting. Ideally located close to Rostrevor village, coastal amenities and mountain trails, the property also benefits from convenient access to Newry and onward routes to both Belfast and Dublin, making it an outstanding lifestyle opportunity in one of Northern Ireland’s most sought-after locations.