21 Grenfell Avenue, North Narrabeen, NSW 2101
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Auction Thu 23 July at 6pm In Room
21 Grenfell Avenue, North Narrabeen, NSW 2101
6
4
613m²
202m²
•
house - house
Property Description
Listed on 18 June 2026
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, cafés, 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
Property history
A breakdown of how regularly this property entered and exited the market for sale or lease.
Auction Thu 23 July at 6pm In Room
$485 PER WEEK
$850
$840 PER WEEK
$695,000
$620,000
$295,000
Median house price trends
Comparing the price trend of houses in North Narrabeen against the state of New South Wales over the last 4 years. Source: CoreLogic
Comparable properties
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Market activity
A snapshot of how quickly properties are selling in the area and how many are currently available.
43 Days
House median days on market
N/A
Unit median days on market
79 Properties
Sold in last 12 months
27 Properties
Available in the last month
North Narrabeen residents
Key characteristics of the residents in the area, view the full breakdown of the suburb here.
Under 18
Is the most common age range
Mortgaged Owners
Most common occupant type
Families
Most common household profile
Professionals
Most common occupation
Detached Houses
Most common property type
Nearby education
Schooling and educational options in the area, for all ages.
Narrabeen North Public School
K - Yr 6
Government
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North Narrabeen
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Northern Beaches
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New South Wales
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Median House: $2,498,761
Median Unit: $1,722,518
Median House: $2,961,605
Median Unit: $1,804,068
Median House: $2,493,074
Median Unit: $1,600,748
Frequently asked questions
21 Grenfell Avenue is a House built in 1960 in North Narrabeen, New South Wales. Review photos and floor plans for more detail on the construction and condition of the property.
The property at 21 Grenfell Avenue includes 6 bedrooms, 4 bathrooms and no assigned parking spaces.
21 Grenfell Avenue in North Narrabeen has a land size of approximately 613 square metres and an internal floor area of around 202 square metres.
21 Grenfell Avenue in North Narrabeen, New South Wales includes a range of local schools, shops, public transport options and community facilities that support day to day living.
As of 6/1/2026, the property at 21 Grenfell Avenue is not available in our data at this time.





