Average Cost of House Extension in Australia

House extensions are a great way to add space and value to your home. However, the cost of an extension can vary greatly depending on a number of factors. In this article, we’ll take a look at the average cost of a house extension and what factors can affect the price.

What is the Average Cost of a House Extension?

The cost of a house extension can range from $300,000 to $600,000 or more. However, the average cost of a single-storey house extension in Australia is around $350,000. This includes the cost of materials, labour, and any planning or building permits that may be required.

Factors that Affect the Cost of a House Extension

There are several factors that can affect the cost of a house extension. Here are some of the main ones:

1. Size of the Extension – The size of the extension is one of the biggest factors that will affect the cost. The larger the extension, the more materials and labour will be required, which will increase the cost.
2. Type of Extension – There are different types of extensions, such as single-storey or double-storey. A single-storey extension will generally be less expensive than a double-storey extension.
3. Location – The location of your home can also affect the cost of an extension. If you live in an expensive area, the cost of materials and labour may be higher.
4. Quality of Materials – The quality of the materials used for the extension can also affect the cost. Higher-quality materials will generally be more expensive.
5. Complexity of Design – If your extension has a complex design, such as unusual angles or curves, this can also increase the cost.
6. Building Regulations – Depending on where you live, there may be specific building regulations that you need to adhere to. This can increase the cost of the extension.

Tips for Keeping the Cost of a House Extension Down

If you’re looking to extend your home on a budget, here are some tips to keep the cost down:

1. Keep it Simple – A simple design will generally be less expensive than a complex one.
2. Choose the Right Materials – While you don’t want to go for the cheapest materials, there are plenty of mid-range options that will still look great.
3. Shop Around – Get quotes from several builders to ensure you’re getting the best price.
4. Do Some of the Work Yourself – If you’re handy with DIY, you can save money by doing some of the work yourself.

Conclusion

The cost of a house extension can vary greatly depending on a number of factors. The average cost of a house extension in Australia is around $350,000. If you’re looking to extend your home on a budget, keeping it simple, choosing the right materials, shopping around, and doing some of the work yourself can help to keep costs down.