Grand Secret Suburb Profile, QLD, 4820 (Pricing & Investment Data)

Grand Secret Suburb Profile
Queensland 4820

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Grand Secret has 129 properties. Over the last 5 years, Houses in Grand Secret have seen a 85.17% increase in median value, while Units have seen a 1502.06% increase. As at 30 November 2025:

  • The median value for Houses in Grand Secret is $310,643 while the median value for Units is $408,879.
There are currently 2 properties listed for sale, and no properties listed for rent in Grand secret on OnTheHouse. According to Cotality's data, 10 properties were sold in the past 12 months in Grand secret.

The size of Grand Secret is approximately 1.0 square kilometres. The population of Grand Secret in 2016 was 168 people. By 2021 the population was 151 showing a population decline of 10.1% in the area during that time. The predominant age group in Grand Secret is 60-69 years. Households in Grand Secret are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Grand Secret work in a professional occupation.In 2021, 64.50% of the homes in Grand Secret were owner-occupied compared with 55.40% in 2016.

Suburb Insights for GRAND SECRET 4820

Market Insights
Grand Secret Trends for Houses
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Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.
Median Value over 1 year
Grand Secret Trends for Units
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Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.
Median Value over 1 year
Neighbourhood Insights
Age

Population 151

0-9

 

13%

10-19

 

6%

20-29

 

9%

30-39

 

9%

40-49

 

16%

50-59

 

19%

60-69

 

22%

70-79

 

9%

80-89

 

5%

Household Structure
Occupancy

Recent Sales in GRAND SECRET 4820

Properties for sale in GRAND SECRET 4820

Cotality Copyright and Legal Disclaimers about Property Data

© Copyright 2025. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.

Last Updated: 09/12/2025

Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.

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