Multigenerational home designs & house plans - Buildi (2024)

With rising home prices, increased living costs and changing family values, multigenerational homes are becoming more popular in countries worldwide including Australia. But beyond the general idea of several generations in the same home, what’s involved with designing a home for multigenerational families? Gather around as we talk about multigenerational home designs & house plans.

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What are multigenerational living spaces?

Multi-generational homes are houses designed to accommodate family members from multiple generations under the same roof. It’s like turning a family home into an extended family home. Though not necessarily the norm in Australia, in many countries and cultures, intergenerational living is quite common, especially in places like parts of Europe, Asia and the middle east. Some quick examples of living combinations include grandparents living with their adult children and grandchildren or adult siblings living with their families under one roof. Due to housing affordability, the pandemic and other factors, the popularity of multigenerational homes has risen significantly among home buyers.

Adult children are living with their parents longer, often into their thirties, and people are reluctant to place their parents in an aged care facility.

How does a multigenerational home differ from other home designs?

There are a few design choices that define multigenerational home designs from other Aussie households.

Common features of multigenerational home designs include:

  • Multiple living areas and sitting areas.
  • Two master bedrooms and a master suite.
  • The ground floor tends to be for the older family members (grandparents, etc).
  • Dual occupancy home designs.
  • Granny Flat is included as part of the design.

Advantages

House affordability: Even if land prices weren’t so high, constructing one house is simply cheaper than trying to build two. Upkeep, bills and general maintenance on one dwelling are going to be less expensive than with multiple houses.

Easier to get approval for finances: The more income and bank balances you have, the more security your lender will see. This increases your chances of getting approval for a loan.

Create Stronger Family Bonds: Multigenerational housing provides the chance for enhanced connection among family members. Grandparents can spend more time with their grandchildren and the little ones can learn from their elders.

Reduce Loneliness: Research shows people tend to experience loneliness and isolation most during their teen and young adult years and during their senior years. These are both big transitional periods, so it makes sense that there would be a connection.

Futureproofs your home: Planning children down the line or unsure what will happen when your parents reach a certain age? Building a multi-generational living space means you’ll be more ready for whatever the future holds.

Could potentially increase the value of your home: With multigenerational living spaces becoming more popular and land becoming more scarce, there’s a strong chance these types of homes will age well in the real estate market.

Disadvantages

Less Privacy: This can particularly be an issue in houses not quite big enough where people end up living on top of each other.

More housework: Even if everyone pitches in, chances are the house will get messier faster, which means more vacuuming, washing dishes and cleaning. Features of your house will be used more often, meaning more breakage as well.

More Noise: More people will mean more activity which will naturally lead to a noisier environment. This is where careful house design will make a big difference. Consider where rooms are placed. If you’re building a double-storey house, the buffer zones can be used to your advantage.

Why are multi-generational homes becoming more popular?

There are a few reasons why multigenerational households are becoming more popular. For older relatives who don’t need full-time care, it’s a way for them to downgrade from a larger house to their home without sacrificing independence. An added bonus is they get to spend their time around family.

For young adults, rental prices are very high in city areas, even for those with work or government support. More adults are living with their parents well into their twenties and thirties as a means of saving money during study or until they can afford their own home.

How changes to the National Construction Code

By 1 October 2023, it will be a requirement to meet the new changes made to the National Construction Code. For instance, it will be mandatory for new homes to be more accessible. Some of the major changes being made to affect accessibility include:

  • The ground floor of a new house design must have a bathroom.
  • At least the entrance to the house must be accessible without stairs.
  • Walls around the toilet and bathroom area must be capable of having rails and support installed.

While the above will be a legal requirement, it will actually have benefits for you and your family. Unfortunately, the effects of age can vary wildly from person to person, and it’s difficult to guess when a relative will need some assistance. Something as simple as having a downstairs bathroom with rails could make a world of difference to those who need it.

Click here to read our guide to National Construction Code 2022 changes.

Multi-generational home design considerations

A well-designed multi-generational home needs to find the balance of creating a communal environment while still allowing everyone their own separate space.

Three Golden Rules:

  1. Make sure your home has a bedroom on the ground floor (preferably with an ensuite) so any elderly family members won’t have to climb the stairs.
  2. Choose floorplans with at least two living areas
  3. Consider all your options, including Dual Occupancy, a granny flat and other floorplans.

Our tips for building multi-generational homes

  • The most common mistake we see with multigenerational living spaces is people underestimate how much room they’ll need.
  • Consider a floorplan with “zones”. For example, part of the house will have the kid’s bedrooms, living space and play area, while another with have the master bedroom for the grandparents and their own private space. There would be communal, open-plan living spaces where everyone can hang out.
  • If your large family is about to become a larger family will need to account for not just the family members who are currently here. You don’t want to have to kick grandma out to make room for the baby!
  • While it’s nice when family live together, everyone needs their own space sometimes. Ensure your design has enough bathrooms, bedrooms, storage space and powder rooms.
  • Would you like separate living quarters or one connected home? Dual occupancy home has the benefit of separate homes as does a granny flat.
  • Consider whether this is a good idea. It’s possible to love someone without actually wanting to live with them and not everyone’s living habits are compatible.

Who are the top multi-generational home builders

Due to the rising demand for house designs for multiple generations, most builders will have some sort of floor design to meet your needs. Here are just some of the builders we’d recommend.

G.J Gardner Homes

Read Builder Review here

Brighton Homes

Read Builder Review here

Clarendon Homes

Click here to read Builder Review

Metricon Homes

Click here to read the builder review

McCarthy Homes

Builder Review

Plantation Homes

Builder Review

Click here to see our list of Builder Reviews!

Need help or advice? Get free advice from an experienced building broker

Need help getting your plans altogether or need some guidance with your new home build? Buildi is here to help you every step of the way. We’ll take your proposal to our panel of builders, and have them bid for your business. At Buildi, we’re all about giving power back to the customers. Get in touch today to find out how we can help you with your home build.

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Insights, advice, suggestions, feedback and comments from experts

As an expert and enthusiast, I have access to a vast amount of information on various topics, including multigenerational home designs. I can provide you with information based on my knowledge and the search results I have access to. Let's dive into the concepts mentioned in this article.

What are multigenerational living spaces?

Multigenerational homes are houses designed to accommodate family members from multiple generations under the same roof. They are like extended family homes, where grandparents, adult children, and grandchildren, or even adult siblings and their families, live together. While not necessarily the norm in Australia, multigenerational living is quite common in many countries and cultures, especially in parts of Europe, Asia, and the Middle East [[1]].

How does a multigenerational home differ from other home designs?

Multigenerational home designs have specific features that distinguish them from other types of households. Some common features include:

  • Multiple living areas and sitting areas.
  • Two master bedrooms and a master suite.
  • The ground floor is often designed for older family members, such as grandparents.
  • Dual occupancy home designs.
  • The inclusion of a granny flat as part of the design [[1]].

Advantages of multigenerational homes:

There are several advantages to building a multigenerational home:

  • House affordability: Constructing one house is generally cheaper than building two separate houses, making it more affordable for families [[1]].
  • Easier approval for finances: Having multiple income sources and bank balances can increase the chances of getting approval for a loan [[1]].
  • Stronger family bonds: Multigenerational housing provides an opportunity for enhanced connection among family members, allowing grandparents to spend more time with their grandchildren and fostering intergenerational learning [[1]].
  • Reduced loneliness: Multigenerational homes can help combat loneliness and isolation, which are often experienced during transitional periods in life, such as the teenage years and senior years [[1]].
  • Futureproofing: Building a multigenerational living space allows families to be better prepared for future changes, such as planning for children or accommodating aging parents [[1]].
  • Potential increase in home value: With the growing popularity of multigenerational living spaces and the scarcity of land, these types of homes may hold their value well in the real estate market [[1]].

Disadvantages of multigenerational homes:

While there are advantages, it's important to consider the potential disadvantages of multigenerational living:

  • Less privacy: In houses that are not spacious enough, living in close quarters can lead to a lack of privacy [[1]].
  • Increased housework: With more people living together, the house may require more maintenance, cleaning, and general upkeep [[1]].
  • More noise: A larger number of people naturally leads to more activity and noise. Careful house design can help mitigate this issue by considering room placement and buffer zones [[1]].

Why are multigenerational homes becoming more popular?

There are several reasons why multigenerational homes are gaining popularity:

  • For older relatives who don't require full-time care, downsizing to a multigenerational home allows them to maintain independence while being surrounded by family [[1]].
  • High rental prices in city areas have led more young adults to live with their parents for longer periods, either during their studies or until they can afford their own homes [[1]].

Changes to the National Construction Code:

By October 1, 2023, new changes to the National Construction Code will require new homes to be more accessible. Some of the major changes include:

  • The ground floor of a new house design must have a bathroom.
  • The entrance to the house must be accessible without stairs.
  • Walls around the toilet and bathroom area must be capable of having rails and support installed [[1]].

These changes aim to improve accessibility and can benefit families by providing necessary accommodations for relatives who may require assistance in the future [[1]].

Multigenerational home design considerations:

When designing a multigenerational home, it's important to find a balance between creating a communal environment and allowing everyone their own separate space. Some considerations include:

  • Ensuring the home has a bedroom on the ground floor, preferably with an ensuite, to avoid the need for elderly family members to climb stairs [[1]].
  • Choosing floorplans with at least two living areas to provide separate spaces for different generations [[1]].
  • Considering all options, including dual occupancy, granny flats, and other floorplans, to meet the specific needs of the family [[1]].

Top multi-generational home builders:

There are several builders who specialize in multigenerational home designs. Some of the top builders in this field include:

  • G.J Gardner Homes
  • Brighton Homes
  • Clarendon Homes
  • Metricon Homes
  • McCarthy Homes
  • Plantation Homes [[1]]

Please note that this is not an exhaustive list, and there may be other builders who also offer multigenerational home designs.

I hope this information helps you in your quest to build a multigenerational home! If you need further assistance or have any more questions, feel free to ask.

Multigenerational home designs & house plans - Buildi (2024)

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