When you’re building your first home, there’s already a lot on your mind.

How many bedrooms do you need? Will the kitchen be big enough? Is there space to entertain?

But there’s one thing that often gets left until later, and it’s worth thinking about early.

How your home actually performs day to day.

We’re talking about energy efficiency. The way your home is designed affects how comfortable it feels year-round, and how much you’re spending on power bills. Get it right early, and you’ll notice the difference every single day.

Start with the basics

Every new home in Australia needs to meet minimum energy efficiency standards under the Building Code of Australia.

Things like your home’s orientation, materials, and layout all influence how it handles heat and airflow. Two homes can meet the same requirements, but feel completely different to live in.

That’s why the early decisions matter. Get them right, and you’ll notice the difference every day – in comfort and in running costs.

Get the orientation right

If your block allows for it, orientation is one of the easiest wins.

Positioning your main living areas to face north helps bring in natural light during winter, while still allowing for airflow in summer. Done right, your home works with the climate, not against it.

One thing worth knowing: when a block comes up at a noticeably lower price, orientation is often part of the reason. It’s always worth asking why.

It’s simple stuff but it can save you thousands over time.

Make the most of solar

Solar is one of the most talked-about upgrades and for good reason.

It helps reduce your reliance on the grid, lowers your ongoing power costs, and can add value to your home. But more importantly, it gives you a level of control over your energy use.

The key is thinking about it early, not as an afterthought.

Lock-in year-round comfort

Insulation plays a bigger role than most people expect, especially in Perth.

Good insulation in your ceilings and walls helps regulate your home’s temperature, keeping it cooler in summer and warmer in winter.

That means less reliance on air conditioning and heating, and more consistent comfort day to day.

You might hear builders talk about R-Value. This is simply a measure of how well your insulation resists heat flow. The right R-Value depends on where you live and how your home is designed, so it’s worth asking about when you’re comparing options.

It’s not just about the view

Windows do more than let in light, they’re one of the biggest factors in how your home holds or loses heat.

Everything from their size and placement to glazing and orientation matters.

In Perth, it’s worth being mindful of east and west-facing windows, which can bring in a lot of heat. This can be managed by limiting window sizes on those sides or using shading.

On the flip side, north-facing windows can help bring in natural light while avoiding the harsh summer sun when designed properly.

Getting this balance right also helps with airflow, allowing cool breezes to move through your home in summer.

If you’re comparing glazing options, Low-E glass is worth asking about. It has a coating that reduces heat gain in summer and heat loss in winter, without blocking natural light or your view.

Pair that with good insulation, and your home will feel comfortable year-round.

Don’t forget the garden

Sustainability doesn’t stop at your front door.

Outdoor water use can account for up to 40% of a household’s total usage, so how you design your garden matters more than most people think.

A few simple ways to keep it efficient:

  • Choose low-water plants like Australian natives
  • Group plants with similar watering needs together
  • Improve your soil to help retain moisture
  • Consider drip irrigation with moisture sensors
  • Use rainwater or greywater where possible
  • Limit large, paved areas, which can increase heat and water runoff

A well-planned garden doesn’t just look good; it works better for your lifestyle and your long-term costs.

It all adds up

Sustainability isn’t just about being environmentally conscious.
It’s about building a home that’s more comfortable, more efficient, and more cost-effective to live in.

The key is understanding how all these elements come together – from design and materials to layout and orientation – so you can make decisions that actually suit your lifestyle.

That’s where having the right guidance makes a difference.

At Locale Homes, we help you think beyond the floorplan, so you’re not just building a home that looks good, but one that works better for you long after you move in.

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