What is the true cost of buying an apartment in Bonnet Bay?

The median apartment in Bonnet Bay is $950,000. Including stamp duty ($37,280), strata, council rates, insurance, and mortgage repayments, the true first-year cost is approximately $70,148, or $5,846/month.

What does it really cost to buy a house in Bonnet Bay?

The median house in Bonnet Bay is $1,850,000. True first-year cost including stamp duty ($84,160), rates, insurance, maintenance, and mortgage repayments is approximately $126,610.

What is the vacancy rate in Bonnet Bay?

Bonnet Bay currently has a vacancy rate of 1.8%. Properties average 45 days on market.

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True Cost of Buying in Bonnet Bay

2226 NSW · 29km to CBD

Rising

A decision, not just a search · Bonnet Bay

Does the lower estimated monthly cost make a property the better buy?

Only under the assumptions entered—and cost is not the whole decision. This model compares scenarios, not lender approval, building condition or personal suitability. Replace defaults with current quotes and documents, then test whether the cost remains manageable when circumstances change.

Questions that could change the answer

Which costs are current supplied figures, and which are model defaults?
What happens to your buffer if interest, repairs or vacancy costs rise?
What finance, contract or inspection condition remains unresolved before an offer?

Evidence to obtain—not yet verified here

Current lender terms and approval conditions, not only a borrowing estimate.
Dated levy notices, rates, insurance quotes and maintenance information.
Contract advice, inspection findings and comparable sales evidence.

Other options: Lower the price limit, compare another property or wait for critical checks. A favourable model result is not a recommendation to make an unconditional offer.

Next action: Re-run the existing calculator with documented inputs, then agree your conditions and walk-away point with the relevant professionals.

When to revisit: Revisit when any input, approval condition, price or property finding changes.

General decision guidance—not a property assessment, personal recommendation or verified client result. Dates on surrounding market content apply to that content, not to checks on your property.

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Market Intelligence

Bonnet Bay is a premium waterfront suburb in the Sutherland Shire, located 29km south of Sydney CBD. This established residential enclave is distinguished by its picturesque setting along the Georges River, offering residents a unique combination of natural beauty and suburban tranquility. The suburb is characterized by larger residential blocks, many featuring water views or direct water access, making it particularly attractive to affluent families seeking a lifestyle-focused location. Property values reflect the suburb's premium positioning, with the market dominated by detached houses rather than high-density development. The community enjoys excellent access to water recreation through Bonnet Bay Marina and proximity to both Georges River and Woronora River. However, transport connectivity presents challenges, with no direct rail access requiring residents to rely on bus services to reach Jannali or Como stations. The suburb features limited commercial amenities, with residents typically traveling to nearby Jannali or Sutherland for shopping and services. Educational needs are served by Bonnet Bay Public School for primary education, with students progressing to quality Sutherland Shire secondary schools. The demographic profile skews toward established families and older residents with above-average household incomes, creating a stable, family-oriented community atmosphere.

Premium waterfront location with Georges River accessStrong capital growth potential driven by lifestyle appealFamily-friendly environment with quality local primary schoolLow-density residential character with larger block sizesExcellent water recreation facilities and marina access

Market Snapshot

Median House

$1.9M

+8.5% 1yr

Median Apartment

$950K

+6.2% 1yr

Median Townhouse

—

Vacancy Rate

1.8%

45 avg DOM

Yield (Apartment)

4.1%

Yield (House)

2.8%

Auction Clearance

72%

Population

2,850

True Cost Breakdown

Based on median prices · 20% deposit · 6.5% interest · 30-year term · Owner-occupier

Apartment

$5,846/mo

Purchase Price

$950,000

Stamp Duty

$37,280

1st Year Total

$70,148

House

$10,551/mo

Purchase Price

$1,850,000

Stamp Duty

$84,160

1st Year Total

$126,610

Run Your Own Numbers

These are median figures. Plug in the actual property you're looking at to see your real all-in cost — including first-home concessions, investment deductions, or different deposit amounts.

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