4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (2024)

The average Australian house is 186.3 metres squared (and climbing). 4 bedroom homes are also rising in popularity, though currently the most common house layout in Australia is a three bedroom home. Around 44% of all Australian homes are 3-bedrooms, while just under one in every three Australian houses has four or more bedrooms. This is a drastic increase in the popularity of 4-bedroom homes from the 90s, where 3-bedroom homes accounted for more than half of all Australian dwellings.

4 bedroom homes are the largest homes that you can still find at reasonable prices. The average cost to build a 4 bedroom home is between $2,000-$4,000 per square metre. Realistically, this puts the range anywhere between $230,000 to the low millions. There are a many factors which will impact the overall cost of buying or building a 4 bedroom home such as location, land, materials, furnishings, taxes and legal fees. For an overview of the hidden costs, see here.

House plans and designs for 4 bedroom homes are very versatile. They will heavily depend on the type of building – i.e. how many stories, if it has a granny flat, bathroom numbers, the general size, land block, et cetera. A popular rule of thumb is that houses should have around 55-65 square metres of space per person. This ensures that the house will not feel too crowded and individuals can freely occupy the space.

In Australia, single story homes are the most common layout. To accommodate this, a very popular trend for four bedroom houses is to have the master bedroom on one end of the home, separated by the kitchen and living/dining room(s) from the three smaller bedrooms, which are usually grouped together at the end of a hallway. However, this is one design of many.

Choosing the right house plan for a 4-bedroom home can feel quite daunting. The abundance of choice makes sorting through possible plans a tedious and time consuming task. To help narrow down some of the best options, here is a list of the best 4 bedroom house designs and layouts in Australia tailored to each home type.

Unique 4 bedroom house plans: The best modern designs for four bedroom house plans Australia

8. Detached

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (1)

One unique style of home design that has been gaining traction lately is the detached model. With the rise in popularity of tiny homes, people have become inspired to keep multiple mini homes on their property rather than one large house.

This allows you to have all of the privacy of a 1 bedroom or 2 bedroom house without losing the space to house guests or other family members. It is also much more affordable than rebuilding or renovating an existing home. Whether you choose a kit home, prefab home or even a shipping container home, there are numerous benefits in having multiple self-sufficient houses on your property.

7. Relocatable/kit homes

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (2)

If you still want the benefits of a traditional house for an affordable price, you might want to consider a kit home. Kit homes or portable buildings are a type of prefabricated buildings which arrive on the home disassembled. You will have to build the house yourself (or with the help of contractors) once the pieces arrive, but the overall cost is much lower than a traditional home. Read about the 13 best prefabricated home suppliers in Australia here.

6. 2 storey

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (3)

Although double storey homes are not as popular in Australia as they are in other countries, they still have a place among the Australian design landscape. The majority of two storey homes are either 3 or four bedrooms and will situate the master bedroom upstairs on its own private floor. Read more about cheap 2 story floor plans or how to add a second story to your home.

5. Duplex

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (4)

A duplex is a residential home divided into two completely independent units. These units share a wall and nothing else. Common duplex home designs will make either side a mirror image of the other, usually with the bedrooms as far from the shared wall as possible to reduce noise pollution. Read more about duplex designs and floor plans hereor purchase the above design.

4. 2 bathroom

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (5)

Having two bathrooms is generally the standard for a four bedroom house. This is because this home design is often utilized by larger families, and sharing one bathroom between 4-6 people can get very complicated very quickly. This way inhabitants will always have access to a toilet while someone is in the shower, so no uncomfortable situations can arise. You can purchase the home design pictured above here from Prestige Kit Homes or read more about bathroom floor plans.

3. Small simple four bed

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (6)

This classic Queenslander home is a perfect example of a simplistic yet effective 4 bedroom home design. In classic 4-bed fashion, the master bedroom is somewhat separated from the others, and the three remaining bedrooms are situated at either ends of a hallway. Purchase this plan here from Anchor homes and browse images of its completed construction.

2. 3 bath

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (7)

4 bedroom, 3 bathroom homes are a little more luxurious. Generally, the third bathroom will be an ensuite attached to the master. Floor plans for the 4,923 square ft home pictured above are available here from House Plans starting at $765. Read more about bathroom and ensuite design.

1. Single story

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (8)

Single storey houses are extremely popular in Australia. As such, 4 bedroom floor plans are easy to come by. The 4 bed, 5 bath home pictured above is one of the luxury models offered by Imagine Kit Homes which starts at just $331,650.

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (9)

You can browse the floor plans on the Imagine Kit Homes website, request an instant quote, or read more about the design options for single storey homes in Australia.

4 Bedroom House Plans - Top 8 Floor Plans & Design Ideas for Four Bed Homes | Architecture & Design (2024)


What is the most popular house floor plan? ›

Craftsman house plans and modern farmhouse home plans are also prominently displayed, as Craftsman and farmhouse are 2 of the most popular architectural styles. That said, other styles are represented in this collection as well, such as modern house plans which are rapidly growing in popularity.

What is the most efficient house layout? ›

Simple, straight lines are not only pleasing to look at, but they are also incredibly cost-effective. Keep roof lines simple and side and rear walls straight for an elegantly modern exterior with great curb appeal. Opting for a cozy floor plan with a modern footprint is a great way to keep your home cost-efficient.

What is the perfect home layout? ›

Ideally, to provide the best layout for your family, there should be one bathroom for every two bedrooms in the house. Homeowners who entertain frequently should choose a house layout that has a full or a half-guest bathroom near the living area. The guest bathroom should be downstairs in homes with multiple floors.

What is the strongest house design? ›

Architecturally speaking, triangles are the strongest house shape. Think of some of the world's most famous architectural marvels: the Louvre Pyramid, the Great Pyramids of Giza and the Eiffel Tower.

What is the most popular house style in us? ›

Ranch Style

Ranch house styles are the most searched style in the US today and are common in cities and suburbs across the country. There are various ranch house styles, including California and split-level ranch homes. The main distinguishing features between these styles are living space and home layout.

What is a bad home layout? ›

Bad layouts include a staircase that's facing the door, adjoining bedrooms, and no views from one room to another. Keep in mind that you'll likely sell the home at some point, and a bad layout could make it more challenging to sell.

What is the least desirable style house? ›

Preferences in house style can differ significantly across the country. The study provides a further breakdown of the most popular home styles in the largest U.S. cities. Meanwhile, the least desired home styles appear to be shipping container homes and tiny homes, the study finds.

What is the best bedroom layout? ›

You can usually create some nice symmetry by positioning your bed centrally against your longest wall and bookending with bedside tables. Equally, it'll create a sense of balance if you place your bed opposite a focal point such as a fireplace or window. Any recesses or alcoves create readymade storage areas.

What is the most popular home style? ›

The Ranch House is America's Most Commonly Sold Home

Ranch-style housing is the most popular across 20 states. This American classic was built in such quantities in the mid-twentieth century that it prevails through sheer force. The ranch house offers space and, occupying just one floor, cradle-to-grave accessibility.

What is the best size house? ›

Square Footage

Visualizing the square feet of a room or house that matches your family size can help you choose the right home size. On average, the ideal square footage is about 600 – 700 square feet per person. That means a family of three will want a house that's at least 1,800 square feet.

Can I design my own house without an architect? ›

Unless your local building code absolutely requires an architect, most residential homes do not need to hire an architect. Part of the excitement of building a new home or doing a major retrofit is spending time creatively designing the space that you will inhabit.

How can I draw my house plans for free? ›

With Canva's intuitive design tools and modern house plan templates, you can easily create 2D floor plans that you can use as your blueprint for your home build or refurbishment project.

What is the most common floor plan scale? ›

For residential floor plans, the most common scale used is ¼” = 1'. If you're working on a commercial blueprint, it is more likely that you will be relying on a scale of ⅛” = 1'.

Which is the most commonly used scale plan for floor plans? ›

Architectural floor plans are commonly scaled at 1/4″ = 1′-0" in the US. A schematic plan for a larger structure might scale at 1/8″ =1′-0".

What is typical floor plan? ›

A floor plan is a scaled diagram of a room or building viewed from above. The floor plan may depict an entire building, one floor of a building, or a single room. It may also include measurements, furniture, appliances, or anything else necessary to the purpose of the plan.


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