21 Grenfell Ave, North Narrabeen is a 6 bedroom, 4 bathroom House and was built in 1960. The property has a land size of 620m2 and floor size of 202m2. While the property is not currently for sale or for rent, it was last sold in July 2026. There are other 6 bedroom House sold in North Narrabeen in the last 12 months.
Occupying a 613sqm corner block, this versatile home is boarded by established hedging, sculptural succulents and a broad level lawn. A three-bedroom home occupies the upper level, opening to a wraparound north-east facing terrace where sandstone detailing adds texture and character, while below, a separate two-bedroom flat and additional one-bedroom flat provide flexibility for multigenerational living, extended households, investors or those seeking supplementary income (STCA). Generous proportions, ample storage and multiple outdoor areas enhance day-to-day functionality, while the adaptable layout offers scope to further refine, personalise or reconfigure over time. Close to Woolworths, cafs, bakeries, gyms and buses, with the beach and lagoon walking trails moments away.A standout opportunity for investors, this property is currently returning $2,250 per week delivering an impressive gross rental yield of around 6%. By comparison, residential properties across the Northern Beaches typically achieve gross rental yields of around 3%, making this a rare chance to secure a high-performing investment with exceptional income potential.- Versatile 613sqm corner block with sunny north-east aspect- Three-bedroom home plus two separate self-contained flats- Ideal for multigen living or supplementary income (STCA)- Wraparound terrace, sandstone detailing and district outlook- Functional kitchens with timber benchtops and dishwasher- Three comfortable upstairs bedrooms with master ensuite- Main bathroom with waterfall shower and heated towel rails- Downstairs laundry, additional home office or creative space- Abundant storage for bikes, surfboards or space for home gym- Broad lush level lawn framed by established green gardens- Hedging, succulents and multiple outdoor areas throughout- Three parking spaces plus additional cul-de-sac parking- Moments to shops, buses, beaches and lagoon walking trails
The size of North Narrabeen is approximately 3.0 square kilometres. There are 24 parks, covering nearly 27.1% of the total area. The population of North Narrabeen in 2016 was 5852 people. By 2021 the population was 6016 showing a population growth of 2.8% in the area during that time. The predominant age group in North Narrabeen is 40-49 years. Households in North Narrabeen are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in North Narrabeen work in a professional occupation.In 2021, 79.70% of the homes in North Narrabeen were owner-occupied compared with 79.10% in 2016.
North Narrabeen has 2,285 properties. Over the last 5 years, Houses in North Narrabeen have seen a 6.58% increase in median value, while Units have seen a 7.19% increase. As at 31 July 2026:
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