25 Undercliffe Street, Dee Why
Dual-level coastal retreat with panoramic ocean views. Award-winning design, move-in ready
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, cafés and transport - Winner, 2025 HIA GreenSmart Home of the Year - Passive House EnerPHit certified
Get to know the area.
Life revolves around the beach in this laid-back yet bustling Northern Beaches hotspot. Dee Why blends its multicultural makeup and lively shopping district with the laid-back surfie vibe along popular Dee Why beach – a trait that has long been capturing the attention of Sydneysiders.
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Belle Property Dee Why is a name synonymous with residential/commercial sales and property management on Sydney’s dynamic Northern Beaches.
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