Everything You Need to Know Before Building A Two-Storey House

October 27, 2024

Building a two storey house has become increasingly popular among homeowners, especially in bustling areas where space is a real concern. As our lives get busier and families grow, the need for more living space becomes more important. A two-storey home is an excellent solution, allowing you to maximise your living space without taking up extra land. In fact, building a two-storey house could be one of the best decisions you can make as it offers numerous benefits.


In this blog post, we’ll explore everything you need to know about building two-storey house, including the pros and cons and various considerations that will help you make the right decision.

Building a Two Storey House

For many homeowners, the dream to build 2 storey house is all about having more space, more style, and added comfort for families. These homes accommodate growing needs—whether for children, a home office, or simply a more spacious living environment. 


One of the key advantages of a two-storey design is how these homes allow you to maximise your land use. By going vertical, you get all the room you need without expanding your home’s footprint while adding a chic and modern feel to your property. 


However, it’s important to note that while a two-storey house has many potential benefits, it's best to weigh them up before making the final decision. We’ll touch on the specific benefits and challenges in the following sections.

A two-story grey suburban house with stone accents on the front porch and a three-car garage under a clear blue sky.

Why You Should Build 2 Storey House

A two-storey house offers a range of advantages that can enhance both your living experience and the functionality of your home. Let’s dive into some of the top reasons why going vertical might be the best decision for your new build!


Optimised Space

Building upwards makes the most of your land. You get more living areas without needing a bigger plot of land, which is perfect for areas where space is limited.


Noise Reduction

One of the best perks of having two levels is the natural separation of noise between floors. Whether it's the kids playing downstairs or your own peaceful retreat upstairs, the sound buffer can be a game-changer.


Natural Light

Building a two storey house typically needs more windows and higher vantage points, which allows for better natural light use. Not only does this brighten up your space, but it can also help reduce energy costs by cutting down on lighting and heating.


Enhanced Views

If you’re lucky enough to live in a scenic area, a second storey can provide stunning views that you simply wouldn’t get with a single-storey house. It’s like having your own private lookout – perfect for taking in sunrises, and sunsets, or just enjoying your surroundings.


Increased Property Value

Investing in a well-designed two-storey home can significantly increase your property value. Building a two storey house is a solid investment that not only improves your lifestyle but also pays off in the long run if you ever decide to sell.


More Design Flexibility

When you build 2 storey house, it offers more room for creativity. You gain greater flexibility with layouts, so you can really make the space your own, customising it to suit your needs and preferences.


Separation of Living Spaces

Keeping common areas downstairs and private spaces upstairs helps create a more functional home. It’s ideal for families who want a bit of separation between social and quiet zones.


Better Ventilation

Two-storey homes tend to have better airflow, especially if designed well. The natural rise and fall of warm and cool air through the house can help keep the interior more comfortable throughout the year.

Cons of Building Two Storey House

Like all things, there are a few downsides to consider when building a two-storey home.


Higher Construction Costs

Building a two-storey home can be more expensive due to the extra materials and design complexity. It’s worth budgeting for a bit more to ensure everything’s done right.


Longer Build Time

With the added complexity, building a two-storey home typically takes longer than a single-storey house. You’ll need to factor in a longer construction timeline when planning.


Increased Maintenance

With two floors comes more maintenance. From keeping everything clean to handling any potential repairs on the upper level, it can be more time-consuming to manage.


Staircase Challenges

Stairs can be a hassle, especially for elderly family members or anyone with mobility issues. It’s important to factor this into your design and lifestyle needs.



Heating and Cooling Costs

Due to the larger space and height differences, heating and cooling a two-storey home can sometimes lead to higher utility bills. Proper insulation and air circulation can help, it’s worth considering when budgeting for ongoing costs.

Considerations Before Building Two Storey House

Before diving into building your dream two-storey home, there are several factors to keep in mind to make sure the process goes smoothly and the end result meets your expectations.


Stairs

If you're building upwards, stairs are a must, but they might not be practical for everyone. Families with young kids or elderly members should consider safety and ease of movement, so it’s worth considering a practical and safe stair design.


Number of Rooms

Think about how many bedrooms and bathrooms to suit your family’s current needs, but also think ahead. Growing families or the possibility of having guests stay over should be factored into your room count.


Timeline

Building two storey house can take time. Be sure to plan accordingly and factor in any delays that might occur during construction.


Budget

It’s easy to get excited and dream big, but setting a budget is crucial. Building a two-storey home typically costs more, so make sure you're prepared for the additional expenses.


Goals

Think about your long-term goals for the home. Is this your forever home, or do you plan to sell in a few years? Understanding your goals helps you design the perfect space.


Location

Consider the location of your block and how your new two-storey home will fit into the surrounding area. Will it complement the neighbourhood or stand out like a sore thumb?


Size

Make sure the overall size of the home suits your property size. A two-storey home allows you to maximise floor space without taking over the entire block, but make sure it’s not too large for the land.


Layout

A smart layout is key to making your home functional and comfortable. Think about how rooms will flow and how spaces like living areas, kitchens, and bedrooms will work with your lifestyle.


The Right Builder

It’s essential to choose the right builder who understands the ins and outs of building a two-storey home. Prestige Renovations is known for quality craftsmanship and has a proven track record for delivering high-quality homes.


Materials and Design

Choose materials that are both durable and stylish. You want a home that will not only look good but last a long time.


Energy Efficiency

With the rising cost of energy, it’s smart to include energy-efficient custom-home features like proper insulation, solar panels, and double-glazed windows in your build. Not only will this help the environment, but it’ll also save you money on utility bills in the long run.


Planning and Approvals Required

Don’t forget to check local council regulations and get the necessary approvals before you start building. Understanding these early on will streamline construction and avoid delays.


Building a Two Storey House Soon? Choose the Expertise of Prestige Renovations!

Building two storey house comes with heaps of benefits, such as optimising space, enhancing property value, and improving views and ventilation. However, it’s essential to consider construction costs, timelines, and maintenance challenges to prepare for the journey ahead.


At Prestige Homes and Granny Flats, our experienced team is dedicated to navigating the unique challenges of constructing custom homes. We pride ourselves on delivering high-quality craftsmanship and maintaining open communication throughout the process, ensuring your vision is realised from design to completion.


If you're considering a granny flat or two-storey home, talk to our experts for professional advice and craftsmanship tailored to your needs.

A modern living room with a white media console, a television, a marble coffee table, armchairs, and a view of a patio.
March 19, 2026
Learn how to earn income from your granny flat with long term rent, short stays, and smart tax tips. Get the key checks before you list.
An aerial view of a residential construction site featuring a newly erected blue light-gauge steel frame for a house.
March 19, 2026
Use this checklist for building a new home to plan the budget, land, design, permits, and handover. Print it, tick it off, and build with confidence.
A living room featuring a mint green sofa with a pink throw, a white coffee table, a grey armchair, and a yellow pouf.
March 19, 2026
Need granny flat interior design ideas? Use small granny flat interior design ideas for layout, light, storage, and finishes. Start your checklist today.
A silver car parked under a white carport attached to a light blue house next to a gravel driveway and green lawn.
March 12, 2026
For many homeowners, a granny flat is more than a small cabin out the back. It is a mini home on your block that can house family, bring in rent or give you extra space. The big question is simple. Does a granny flat add value to your home, or is it just an expensive garden project? This guide explains how we work, where we add value and when we may not be worth it. What Is a Granny Flat and How Does It Work? A granny flat is a self-contained secondary dwelling on the same title as your main house. It has its own entry, kitchen, bathroom, living area and at least one bedroom. Think of it as a compact home that shares your backyard, not a shed with a sink. In Australia, people also call them secondary dwellings, ADUs, Fonzie flats or garden studios. Some owners use them for parents, adult children or guests. Others use the space as a rental for extra income or as a future downsizer home.
Modern living room with a large gray sofa, glass coffee tables, a patterned rug, and white built-in shelving with a TV.
March 12, 2026
Learn granny flat regulations in Perth, key building requirements, approvals, costs and timelines. Clear steps for WA homeowners. Talk to Prestige Homes & Granny Flats.
A bright living room viewed through a doorway, featuring a beige sofa, a white marble coffee table, and a plush armchair.
October 27, 2025
Discover what is a granny flat, its benefits, legal rules, and how Prestige Homes & Granny Flats can help you build yours in Australia.
A modern, light-colored single-story house with a wide concrete driveway, dark roof, and covered porch under a blue sky.
October 24, 2025
Plan your dream home with this custom home build checklist covering financing, design, construction stages and more for a smooth experience.
Two construction workers in high-visibility vests assemble a steel frame for a residential structure outdoors.
September 9, 2025
Building a new home? This guide breaks down the real differences between a custom builder vs volume builder to help you choose the right experts for your build.
Architectural drawing of a house front with an
August 22, 2025
DA vs CDC approval can make or break your project timeline. This blog explains what suits your build, what delays to watch for and how to speed things up.
Two dark red front doors side-by-side on a blue house, featuring a shared porch roof, white trim, and stone steps.
June 25, 2025
Make the most of your land with dual key homes. We break down the pros, cons and expert tips to help you decide if it’s the right move for your block in WA.