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What Is The Cost Of Building A Granny Flat In Brisbane? 

November 14, 2022
house with a granny flat for rent

Wondering what is the cost of building a granny flat in Brisbane? If you are like a lot of Australians, you are probably looking for ways to make the most of your backyard space. 

And building a granny flat is one of those popular methods.

Granny flats can provide a lot of extra living space and can be a great investment whether you choose to rent it out or use it as a home office, studio or play room.

But what is the cost of building the granny flat?

This post will help you estimate the cost of building a granny flat in Brisbane based on your specific needs and budget.

What is a granny flat?

If you’re looking for a house for sale in Brisbane Australia, you may come across some options with granny flats. 

A granny flat, also known as a secondary dwelling, is a small structure separate from the main house on a property. 

They are typically used to house extended family members such as parents or grandparents but can also be used for rental income or as a home office.

The cost of building a granny flat in Brisbane will vary depending on the size and complexity of the project. 

However, as a general guide, you can expect to pay between $80 and $200 per square metre for construction costs.

Benefits of constructing a granny flat

What Is The Cost Of Building A Granny Flat In Brisbane
Source: Tiny House Design

The cost of building a granny flat in Brisbane is lower than the cost of building a traditional home, but there are many other benefits to consider, too.

  • A granny flat can provide your loved ones with much-needed extra space, whether they are moving in with you or you are providing them with temporary accommodation while they get back on their feet. 
  • Granny flats can also be used as short-term rentals, which is a great way to generate extra income.
  • A granny flat also adds value to your property. 

So if you ever decide to sell, you can be sure you will get a good return on your investment.

How much does it cost to build a granny flat in Brisbane?

So, how much does it cost to build a granny flat in Brisbane? On average, building a granny flat in Brisbane will set you back around $120,000, not including the cost of getting home renovation permits in Brisbane

The size and difficulty of the project will affect how much this number is, though. Consider building a granny flat in kit form if you want a more affordable option. 

This would cost around $50,000 to $70,000, depending on the size and features of the granny flat.

Factors to consider when building a granny flat

When building a granny flat, you need to consider a few important factors. 

Cost is obviously a big one, but you will also need to decide on your granny flat’s size, design and layout. 

You will also need the appropriate permits and approvals from your local council.

The price of labour and supplies is another factor to take into account.

Building a granny flat can be expensive, so it is important to shop around and get quotes from multiple builders to find the best deal.

What are the different types of granny flats available in Brisbane?

What Is The Cost Of Building A Granny Flat In Brisbane

As you can imagine, the cost of building a granny flat in Brisbane varies depending on the type and size of granny flat that you choose. 

Generally, there are three types of granny flats available: 

The single-storey granny flat is the most affordable option and starts from around $60,000, while the double-storey granny flat will set you back around $100,000.

If you want something cheaper, a sleep-out can be built for as little as $30,000.

Remember that these prices are just estimates and may vary depending on your specific needs and location. 

For a more accurate quote, it is best to contact a local builder and look at some home design trends in Brisbane.

How can I save money when building a granny flat?

What Is The Cost Of Building A Granny Flat In Brisbane

With any home improvement project, some costs are bound to be involved.

So how can you save money when building a granny flat? Here are a few tips when you’re building a granny flat on a budget:

  • Shop around for builders and get quotes from multiple contractors.
  • Choose a simple design for your granny flat rather than a luxurious or extravagant style.
  • Stick to standard materials and finishes rather than opting for more expensive options.
  • Try to do some of the work yourself, such as painting and tiling.

Again, several factors will affect the cost of building a granny flat in Brisbane, including the size and design of the granny flat and the materials used. 

It is important to consult with a builder to get an accurate quote for your project.

If you consider building a granny flat in Brisbane, now is the time to act. 

The demand for granny flats is high, so do not miss out on your chance to get a piece of the action.

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