25 Undercliffe Street

Dee Why NSW 2099

This brand new, award-winning home on Dee Why Headland delivers two fully self-contained levels, north-facing ocean views and exceptional build quality throughout. Winner of the 2025 HIA GreenSmart Home of the Year and certified to Passive House EnerPHit standards, it combines architectural sophistication with a commitment to sustainability, rarely seen at this price point. On the upper level, open-plan living and kitchen flow to a sun drenched northern terrace, with a master, WIR, ensuite and garden providing perfect adult retreat. The lower level is ideal for families with school-aged, teenage or adult children, short and long-stay guests or multigenerational living, offering effortless flexibility and coastal lifestyle at its most considered.- North-facing block with panoramic ocean and district views- Dual-level layout, ideal for families, empty-nesters, downsizers or multigenerational households- Self-contained retreat level with living room/home cinema, three bedrooms, wet bar, separate access and north balcony- Exclusive master retreat with walk-in robe, ensuite and access to private rear garden- Open-plan living and dining extends to ocean-facing entertaining terrace- Near-zero electricity costs , 10kW solar system and 12kW battery, largely off-grid- High-performance HVAC with filtered, temperature-controlled airflow throughout- Underfloor heating in bathrooms, double-glazed German windows- Private pet-perfect level rear garden with room to add a hot tub or plunge pool- Provision for internal lift from garage to lower level- Double garage with EV charger, mezzanine storage and home gym- Rainwater collection, organic waste system and green roof garden- Moments to Dee Why and North Curl Curl beaches, cafs and transport- Winner, 2025 HIA GreenSmart Home of the Year - Passive House EnerPHit certified