12 Roberts Ave, Mortdale is a 5 bedroom, 2 bathroom House with 2 parking spaces and was built in 1960. The property has a land size of 620m2 and floor size of 157m2.This Property is currently listed for sale with Gavan Property
Positioned in a highly sought-after pocket just moments from the heart of Mortdale Village, this exceptional property presents a rare opportunity to secure a premium DA approved duplex development with the added flexibility of immediate rental return. Whether youre a builder, developer, investor, or a family looking to create a luxury dual-occupancy residence, this is a standout offering with both short-term income and long-term upside.
Expertly designed by Beau Architecture, the approved plans deliver two luxurious five-bedroom, three-bathroom duplex residences, thoughtfully crafted with a strong focus on lifestyle and functionality. The design showcases expansive open plan kitchen, living and dining zones that flow effortlessly to stunning wraparound alfresco areas, creating a seamless indoor/outdoor experience across the entire lower level, perfect for entertaining and relaxed family living.
Upstairs, the homes have been carefully designed to maximise space and natural light, featuring a king size master suite complete with walk-in robe, private ensuite and balcony, alongside an additional living area ideal for growing families. A full main bathroom and separate powder room further enhance practicality, while basement level garaging provides secure and convenient parking for both residences.
Currently configured as a well-presented five-bedroom, two-bathroom home, the property offers immediate rental return, making it an ideal landbank or staged development opportunity while plans are finalised.
Set within close proximity to Mortdales shops, cafes, schools and transport, reinforcing the long-term appeal of this premium development site, this is a truly unique opportunity to secure a blue-chip development site with flexibility to generate income while planning your next move.
Plans and approvals available upon request.
The size of Mortdale is approximately 2.9 square kilometres. There are 17 parks, covering nearly 22.5% of the total area. The population of Mortdale in 2016 was 10419 people. By 2021 the population was 10745 showing a population growth of 3.1% in the area during that time. The predominant age group in Mortdale is 30-39 years. Households in Mortdale are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Mortdale work in a professional occupation.In 2021, 61.10% of the homes in Mortdale were owner-occupied compared with 62.40% in 2016.
Mortdale has 5,538 properties. Over the last 5 years, Houses in Mortdale have seen a 26.47% increase in median value, while Units have seen a 27.30% increase. As at 31 May 2026:
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