3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Hero Image
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3/11-15 Guilfoyle Avenue
Double Bay | New South Wales

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Maclay Longhurst
Maclay Longhurst
Presented At
$7,000,000
Bedrooms
33
Bathrooms
3
Living
3,144
SQFT
Office
Stone Countertops
Air Conditioning
Elevator
Bar
Laundry Room
Basement
Gas Stovetop
Terrace
Parking
Balcony
Pool
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 1
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 2
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 3
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 4
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 5
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 6
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 7
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 8
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 9
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 10
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 11
3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 12
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3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. - Photo 14
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3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia. , Double Bay , New South Wales

3/11 15 Guilfoyle Avenue, Double Bay

Experience luxury living at its finest.

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Map showing 3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia.

Property Location

3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia., Double Bay New South Wales

Local Weather & Climate

Double Bay, New South Wales

Current Conditions Updated recently
83 °F
Light rain
Feels Like 87°F
Humidity 66%
Wind 18 mph
Visibility 6.2 mi
Sunrise 7:26 PM
Sunset 8:52 AM
5-Day Forecast
Wed 11 Feb
Clouds
High 81°
Low 76°
Thu 12 Feb
Rain
High 80°
Low 66°
Fri 13 Feb
Clouds
High 69°
Low 68°
Sat 14 Feb
Clouds
High 72°
Low 67°
Sun 15 Feb
Clouds
High 73°
Low 66°
Data from OpenWeatherMap

Walkability & Transit Scores

How easy is it to get around Double Bay?

Walkability and transit scores for this address come from the EPA National Walkability Index.

Mortgage Calculator

Estimate your monthly payments for this property

A$
%
A$100,000
%
Estimated Monthly Payment $3,160
Monthly Payment Breakdown
Principal & Interest $2,528
Loan Amount $400,000
Total Interest $337,621
Total Cost $737,621

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Important Information
  • This calculator is for illustrative purposes only and does not constitute a loan offer, pre-approval, or commitment to lend.
  • Monthly payment estimates do not include property taxes, homeowner's insurance, HOA fees, or other applicable costs which may significantly increase your actual payment.
  • Interest rates shown are for demonstration only. Actual rates depend on your credit score, down payment, loan type, property location, and current market conditions.
  • This tool provides estimates only. Consult with a licensed mortgage professional for accurate quotes and personalized advice.

Market Opinion

Our perspective on current market conditions in Double Bay. For informational purposes only — always consult a licensed real estate professional before making decisions.

Market Analysis
International luxury real estate typically appreciates steadily over time.
65
Buyer Score
Estimated regional appreciation: 4% annually
Ultra-luxury properties tend to be more resilient during market downturns

Future Value & Wealth Building

Starting investment: $700,000,000 20% down ($140,000,000)

Investment Perspective
$ $ $
$1 → $1.36
Every dollar invested today could become $1.36 in 10 years
$100 → 136 $1,000 → $1,362
+$60,151
$60,151/day
Your home may appreciate while you sleep
$422,213/week $1,829,588/mo $21,955,056/yr
$100K Investment Comparison (10 Years)
Real Estate (Leveraged)
$281K
S&P 500 Index
$259K
High-Yield Savings
$155K
Real estate leverage: potential 8% advantage over stocks
RENT 💸 -$385.2M
vs
OWN 📈 +$546.4M
$546.4M Potential Equity
vs $385.2M lost to rent over 10 years
$140.0M Down Payment Growth
3.9x
10yr
$546.4M
8.1x
20yr
$1,131.2M
12.6x
30yr
$1,767.9M
Wealth Comparison
×4,209
Equivalent to 4,209 average US homes
top 5%
US household wealth ranking
Median: $193K Yours: $1,767.9M
Time to Double Your Investment (accounting for market cycles)
42.4
years
Conservative
1.65% effective/yr
15.3
years
Optimistic
4.62% effective/yr
Projected Home Values (adjusted for market cycles)
10 Years
Conservative $824.4M +18%
Market $953.3M +36%
Optimistic $1,100.0M +57%
$546.4M est. equity
20 Years
Conservative $970.8M +39%
Market $1,298.2M +85%
Optimistic $1,728.7M +147%
$1,131.2M est. equity
30 Years
Conservative $1,143.3M +63%
Market $1,767.9M +153%
Optimistic $2,716.7M +288%
$1,767.9M est. equity

These projections are estimates only and actual results may vary. Past performance does not guarantee future results.

Data from World Bank and regional real estate market research | Estimates based on historical appreciation trends

Frequently Asked Questions

Common questions about this property

This house at 3/11-15 Guilfoyle Avenue, Double Bay, NSW, Double Bay, New South Wales, Australia features 33 bedrooms with 3,144 square feet of living space.
This property offers 3,144 square feet of living space.
This property is listed at $700,000,000, which equals $222646 per square foot.
Based on current market indicators, Double Bay shows an active market. The market opportunity score is 65 out of 100, reflecting factors like price trends, inventory levels, and days on market.
This is a house located in Double Bay, New South Wales. The property is situated in an established neighborhood with convenient access to local amenities and services.
Maclay Longhurst

Maclay Longhurst

Sydney Sotheby's International Realty

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