
In Australia, 'squares' are used to measure the size of a building, while square metres are used for blocks or lots. One square is equal to 100 square feet or 9.29 square metres. The average size of a newly built home in Australia varies across sources, with some reporting 186.3 square metres, 233 square metres, and 235.8 square metres. The size of Australian homes has been increasing over the years, with houses built in recent years being 8% bigger than those built 20 years ago.
| Characteristics | Values |
|---|---|
| Average Australian home size | 186.3 sqm |
| Average Australian home size in Victoria | 244.8 sqm |
| Average Australian home size in ACT | 242.3 sqm |
| Average Australian home size in Western Australia | 235.3 sqm |
| Average Australian home size in Queensland | 230.8 sqm |
| Average Australian home size in Northern Territory | 181.8 sqm |
| Average Australian home size in Tasmania | 186.8 sqm |
| Average Australian home size in NSW | 220.3 sqm |
| Average Australian home size in New Zealand | 172.1 sqm |
| Average cost of building per sqm in Australia | $1270.80 |
| Average cost of land per sqm in Australia | $746 |
| Average Australian apartment size | 136.8m2 |
| Average Australian home size in Melbourne | 250.3m2 |
| One square in imperial square feet | 100 sq. ft. |
| One square in square meters | 9.29 sq. m. |
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What You'll Learn

'Square' definition: 100 sq ft or 9.29 sq m
In Australia, the term "square" is used to refer to the floor space of a house. A traditional building square is equivalent to 100 imperial square feet or approximately 9.29 square metres. To envision this, imagine a square-shaped room with each side measuring 10 feet or, in metric units, about 9.29 meters.
This unit of measurement, the square, is particularly useful when discussing the area of everyday objects or spaces, such as a room, without having to resort to extremely large or small numbers. For instance, a typical house may range from 500 to 1000 square feet, while a room might be around 100 square feet.
In the context of real estate, the term "square" can encompass more than just the floor space of a house. Historically, it could refer to the entire area under a roof, extending beyond the walls to the eaves and including covered outdoor areas, garages, and verandahs. This definition provides a more comprehensive understanding of the total space available within a building.
However, in modern times, the square metre measurement in housing construction is typically restricted to the actual living area. This means it includes the internal room dimensions but does not factor in walls, garages, or other structural elements. This shift in definition reflects a more precise and standardised approach to measuring and marketing property.
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Average Australian home size
The average size of an Australian home varies depending on the type of home and its location. The Australian Bureau of Statistics (ABS) provides data on the average floor area of new residential dwellings in Australia, which includes houses, apartments, and townhouses.
According to the ABS, the average floor size of a newly built house was 245 square meters in 2012 and 242 square meters in 2021. However, these numbers can vary significantly depending on the state or territory. For example, in 2021-22, the Australian Capital Territory had the largest average floor area for new houses at 258.9 square meters, while Tasmania had the smallest at 182.4 square meters.
The size of an Australian home can also depend on various factors such as local council restrictions, boundary setback requirements, and the size of the land. Additionally, the definition of "average" can be influenced by the number of people in a household, lifestyle needs, and whether the home is detached or attached to other dwellings.
It's worth noting that the average site area of new homes in Australia has decreased by 13% over the last decade, indicating a trend towards building houses on smaller blocks of land. This could be due to the increasing cost of land and the desire to build in urban areas. As a result, we may see a continued focus on functional space and the importance of balancing budget constraints with individual needs when it comes to determining the size of a home.
In conclusion, the average size of an Australian home varies depending on location and type, with a general trend towards smaller homes on smaller blocks of land. However, compared to the rest of the world, Australian homes are still considered relatively large.
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Cost per square metre
The cost per square metre to build a house in Australia varies depending on the location, design complexity, materials, and labour.
In Melbourne, the cost per square metre ranges from $1,300 to $3,900+, with an average of $3,000 per square metre. The average cost of building a house in Melbourne in 2022 was $500,000, up from $300,000 in 2017.
In Western Australia, the cost per square metre ranges from $1,400 to $2,700, while in Queensland, it ranges from $1,800 to $4,000.
The cost per square metre also depends on the type of house being built. For example, a basic weatherboard home may cost around $1,300 per square metre, while an architect-designed luxury residence can cost upwards of $3,900 per square metre. A 3-bedroom full brick single-level project home with mid-range materials may cost around $1,900 per square metre, while a 4-bedroom brick veneer single-level project home with mid-range finishes may cost around $2,400 per square metre.
Additionally, the level of fitout, design, and regional variations can significantly impact the cost per square metre. For example, a 4-bedroom, full brick, two-level home with premium finishes can cost between $2,900 and $3,900 per square metre.
It is important to note that these costs are rough estimates, and the actual cost of building a house in Australia can vary depending on various factors, including the size, quality, and style of the house.
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House size trends
The average Australian house has a floor size of 186.3 square meters. However, this trend is increasing. From 2019 to 2020, the average size of a newly built home was 235.8 square meters, a 2.9% increase that marks the largest increase in over a decade. This is in contrast to the US, where the average house size has been steadily declining.
In 2019-2020, the average floor area of a house in the ACT was 256.3 square meters, the largest in Australia. This was followed by Victoria (250.3 square meters), NSW (235 square meters), and Western Australia (232.5 square meters). Tasmania built the smallest new houses at 179 square meters.
The average Australian dwelling has three bedrooms and is on a block size of 414 square meters. However, the popularity of four-bedroom homes is rising. Townhouses are also growing in popularity, with sizes increasing over the last 15 years. In the same period, new houses have shrunk in all but three states and territories.
The ideal amount of space per person is between 55 and 65 square meters. Thus, the ideal size for a three-person home is around 168-195 square meters, and for a four-person home, it is 223-260 square meters.
The COVID-19 pandemic may have influenced these trends, with people spending more time at home and re-evaluating their housing needs.
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How to calculate square feet
In Australia, a "square" is a pre-metric term for 100 imperial square feet, or a 10-foot by 10-foot room. This converts to approximately 9.29 square metres.
To calculate square feet, you need to first take the measurements of the area in feet. If you are measuring a rectangular area, you can multiply the length by the width to get the square footage. For example, if an area has a length of 10 feet and a width of 5 feet, the square footage would be 50 feet (since 10 x 5 = 50).
If you are measuring an oddly shaped area, you can split it into square or rectangular sections and treat them as separate areas. Calculate the square footage of each section and then add them together to get the total square footage.
You can also calculate square footage by converting other units to feet. For example, if you have measurements in inches, divide the inches by 12 and add that to your feet measure to get the total feet. So, if you have a measurement of 7 feet 3 inches, you can enter that as 7.25 feet (since 3/12 = 0.25).
If you are working with yards, multiply the measurement by 3 to get the equivalent in feet. For example, 4 yards is equal to 12 feet (since 4 x 3 = 12).
You can also calculate square footage for circular areas. First, multiply the diameter by 0.5 to get the radius. Then, multiply the radius by itself to get the square footage. For example, if the diameter is 4 feet, the radius is 2 feet (4 x 0.5 = 2), and the square footage is 4 square feet (since 2 x 2 = 4).
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Frequently asked questions
One building square in Australia is equal to 100 imperial square feet, or 9.29 square metres.
There are 3.28 feet in a metre, so one square metre is equal to 3.28 squared, or 10.7 square feet.
The average size of a newly built house in Australia varies depending on the source. One source states that the average size is 235.8 square metres, while another gives the average as 186.3 square metres.











































