How much does it cost to build a house?
A city by city breakdown of the costs of building a house, from low budget builds to high-end luxury.
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The cost of building a house varies significantly depending on the size of the property, the materials you use, the design of the home and the builder you choose. Costs also vary depending on where you live, with some cities having on average cheaper construction costs than others.
Read on to learn more about how to estimate your building costs and obtain construction finance.
How much does it cost to build a house per square metre?
The variation in square-metre building costs is huge. However, there is plenty of data available to help you form a rough idea of the costs per square metre when building a house. The table below contains data from Rider Levett Bucknall’s Riders Digest 2019 Melbourne, Australia Edition. It shows the range of per-square-metre building costs for custom-built residential homes across Australia’s major capital cities.
Australian Construction Building Costs (fourth quarter 2018) - Custom-built, single- and double-storey dwellings
|Cost range per floor area ($/m2) - Low||Cost range per floor area ($/m2) - High|
*Data taken from Rider Levett Bucknall Riders Digest 2019 Melbourne, Australia Edition
But costs per square metre are less important than the quality of the materials. "Very few Australian builders are willing to quote based on per square metre," explains Nick Khachatryan, founder and managing director of Real Estate Exclusive and Jardine Nicholas Homes. "I would strictly forbid consumers making decisions based on price per square metre; it's the quality of inclusions that matters."
Average cost to build a three-bedroom house in Australia
If you’re looking to build a three-bedroom house, Khachatryan says prices can start from around $160,000 and head upwards from there. Of course, this depends on the standard of finish you choose for your home, as well as the inclusions you want and any other requirements specific to your build.
- Budget (from $160,000 on average). "To keep it a budget build, the customer can choose not to include stone benchtops, small 600mm appliances, gardening, fencing, security, blinds, reverse cycle air-conditioning, flyscreens, driveway, alfresco area," he says.
- Standard (from $180,000 on average). "Key features of a standard build are inclusions of basic items such as fencing and driveway, and possibly an alfresco area and possibly air conditioning," Khachatryan says.
- Premium (from $195,000 on average). "Key factors in premium builds are a bigger floor plan, 2,740mm-high ceilings throughout, stone benchtops in kitchens and all bathrooms, 900mm appliances, gardening, fencing, security, blinds, reverse air conditioning, flyscreens, driveway, alfresco area, triple sliding or split doors to alfresco area, more pantry space, movie theatre room, study, mirrored sliding wardrobe doors, etc." Khachatryan says.
Average cost to build a four-bedroom house in Australia
If you need to build a four-bedroom home, prices start to increase. Not only do four-bedroom homes cover more floor space, but they also often require the addition of a second bathroom.
- Budget (from $185,000 on average). "A budget build can start from $185,000 on average without full inclusions – add $17,000 for full inclusions such as above," Khachatryan says.
- Standard (from $195,000 on average). "Can start from $195,000 on average without full inclusions – add $18,000 for full inclusions such as above."
- Premium (from $205,000 on average). "A premium build can start from $205,000 on average without full inclusions – add $21,000 for full inclusions such as above," Khachatryan says.
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What factors affect the cost of building a house?
There is a huge range of factors that affect building costs.
Land and location
"Land is the first prime factor in the overall cost of the home with respect to the budget and, in the majority of cases, will determine the budget for the house build," says Drewe McCredie, general manager of Brisbane-based construction and development company kalka. The nature of the block – is it flat or sloping, for example – will also affect the total cost. "Each state also has its own varied rates for taxes, insurances, and certification processes and fees. Building outside of a metropolitan area will also affect the cost for out-of-area allowances for additional travel," McCredie says.
McCredie says that it will generally cost more to build a two-storey home than a one-storey home as there are additional items required to build a second-storey home, including an additional floor system, stairs, scaffold, fall protection equipment etc. that are not always required for a single-storey house build. Nick Khachatryan says that double-storey, four-bedroom homes can start from $290,000, versus an average single-storey, four-bedroom home starting from $190,000. There’s an average difference of $80,000–$100,000 between one-storey and two-storey houses, but these price ranges will typically not include all turnkey inclusions.
From brick and brick veneer to a lightweight clad such as weatherboard, the materials used in the construction of your home will have a big impact on the total cost. "The approximate costs of a brick veneer vs a fibre cement sheet clad are going to be about on par," McCredie explains. "The different range of bricks and also type of mortar colour will increase the cost of the brick component, and some bricks are approximately three times the cost of your entry-level brick. Lightweight cladding is also in a similar comparison."
Trades also play a part in the cost of your build. "Brick trades typically have different rates for upper or lower bricks, and also single- and double-height bricks. Lightweight-clad trades generally have a single rate for each cladding type," McCredie explains. Then there are the other trades you need to get your house to move-in status: plumbers, electricians, tilers, painters, plasterers, renderers and even landscape gardeners.
How to choose a builder
The builder you choose to complete your construction project is the next factor that can have an impact on the overall price. Builders can vary not only in the type of work they specialise in (for example, custom-built homes vs display homes), but also in how much they charge for their work. It’s essential to obtain quotes from several builders to get an accurate idea of building costs, as well as which builder offers the best value for money.
Nick Khachatryan says that the majority of home builders simply pursue the cheapest quotes, which often ends in disappointment. "The best way is to look at the builder’s price compared to others’ prices and the inclusions list from the core of the house to the ceiling. Keep a lookout for site costs as they can vary from builder to builder; however, do not pursue the cheapest site cost quote – very often you will be asked to pay the difference in the future."
How much does it cost to build a kit home?
If you're looking for a low-cost option when building a house, you might want to consider a kit home. These homes are designed and built off-site, and then the materials are delivered by truck to your block of land for assembly.
Kit homes can be cost-effective, allowing owner-builders to do much of the work themselves, and come in a wide range of designs. However, there are several factors that can affect the cost of a kit home.
- The model. A four-bedroom kit home costs substantially more than a one-bedroom kit home. The floor space of your chosen design has a big impact as does the number of bathrooms and other spaces (e.g., a study).
- The cladding option. Brick, weatherboard, render and more are available.
- The site. Sites that are difficult to access or that require levelling could result in increased costs.
- What's included in the package. Some kit-home prices you see quoted online will include nothing but the bare shell of a home, while others will include everything from air conditioning to floor coverings.
Below are some rough guides to how much it costs to buy a kit home and get a licensed builder to construct it for you.
|Kit and floor cost||Labour and Construction||Total Cost|
|Two-bedroom kit home||$35,000 - $80,000||$40,000 - $80,000||$75,000 - $160,000|
|Three-bedroom kit home||$75,000 - $110,000||$85,000 - $125,000||$160,000 - $235,000|
|Four-bedroom kit home||$85,000 - $130,000||$115,000 - $160,000||$200,000 - $290,000|
Are kit homes really cheaper than standard homes?
The answer to this question depends on a range of factors. For example, getting a builder to put the kit home together will cost a lot more than if you do most of the work yourself, but you also have to consider the cost of paying various trades (plumbers, electricians) to get your home to the point where it's ready for you to move in.
The key to deciding whether a kit home is the most affordable option for you is to make sure you're fully aware of what is included in the package and what you will have to pay extra for? You may need to pay for soil testing, laying slabs and any finishes you add yourself.
And if you opt for a kit home, you may have trouble accessing the financing you need from your bank. Australian lenders take a very conservative approach to kit homes because if something goes wrong during the construction process, lenders could be left with only a vacant block of land as security. As a result, the majority of lenders won't approve loans to owner-builders who want to construct a kit home, while those that do offer approval will impose tight restrictions on the loan to value ratio (LVR) they are willing to let you borrow.
How do you get finance to build your house?
If you need to borrow money to build your home, you’ll need to apply for a construction loan. These loans can be set up to allow you to purchase a vacant block of land first and then build on that land within a set timeframe or to fund the construction of your home if you already own the land.
Unlike a regular mortgage, where the lender gives you access to a big lump sum when you take out the loan, a construction loan is set up a little differently. The lender calculates the total amount you will need to borrow to pay your builder, and then allows you to access portions of this amount at specified times so you can pay your builder throughout the construction process. These loan withdrawals are known as progress draws and are a predetermined percentage of the total mortgage amount.
The lender will typically set a timeframe, such as one year, for the construction of your house and probably only require you to make interest payments while your home is being built. Once construction is complete and the builder has been paid, you will start making full principal and interest repayments.
You can learn more about construction loans here or start compare loans in the table below.
Compare construction loan options in the table below
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