saxonvale 42 house design living in urban style
Aria double storey narrow block house design

Double storey homes for every lifestyle and life stage

At McDonald Jones, our multi-storey building design plans give you flexible family living, with harmonious, light-filled areas and an engaging flow that makes everyday living easy.

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Two Storey On Display

Allora 40

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Allora 40
Aria 28 House Design Byron Facade in Coastal style
Aria 28 One Two Storey House Floor Plan
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Aria

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10m
Aria
Cranbourne Executive House Design Scandi Facade in Contempo Style
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Cranbourne

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Cranbourne
Enzo Five House Design Sierra Facade in Coastal style
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Enzo

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Enzo
grandeur 42 one house design maroubra facade
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On Display

Grandeur

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Grandeur
Lagos One House Design Wilderness Facade in Contempo style
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Two Storey On Display

Lagos

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Lagos
Lancaster 29 House Design Akron Facade in Urban style
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Lancaster

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Lancaster
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Massena

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Massena
Mayfair Hampton house design Facade in Classic style
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Mayfair

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Mayfair
saxonvale 42 house design living in classic style

NSW most popular double storey house plans

You can find the best two storey house plan for your dream home, whether that be in SydneyNewcastle, Hunter Valley, North CoastCoffs HarbourSouth CoastSouthern Highlands, or Canberra.

Gather inspiration from our range of architectural double storey home designs, created to maximise space, functionality and modern family living. With a wide variety of floorplans, styles and façade options available, you'll find a home that's designed to suit the way you live today.

2 Storey House Designs and Plans

Double storey home designs ideal for knockdown rebuilds

Thinking about a knockdown rebuild? Stay in the location you love while building a modern double storey home designed to suit your lifestyle. Explore our range of double storey home designs and discover how a knockdown rebuild can help you make the most of your block.

Our experienced team will guide you through the entire process and provide a complimentary site inspection to help get your project started.

Find Out More About Knockdown Rebuild

Award-winning two storey house designs

Our architecturally designed and award-winning two-storey floor plans are ideal for modern life. Ranging from three bedrooms to six bedrooms, we have designs to suit every family. You can look forward to airy, open spaces with the kitchen as a central hub where everyone gathers, and all the action happens. With indoor-outdoor living and plenty of private, quiet areas for retreat, people of all ages can appreciate life in a McDonald Jones home.

Aria double storey narrow block house design

Perfect double storey home designs for smaller blocks

Our double storey homes offer a striking street presence while making the most of smaller blocks, providing a smart and affordable way to maximise your living space without sacrificing design, comfort or functionality. Like every McDonald Jones home, they combine thoughtful design, quality craftsmanship and practical living spaces created for the way Australians live today.

Explore the Lancaster at HomeWorld Leppington and HomeWorld Box Hill.

Explore the Aria at HomeWorld Oran Park.

HomeWorld Oran Park
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Explore our two storey display home locations for great house designs

Let’s welcome you home. With dozens of inspiring double storey designs and endless opportunities to customise, you’re sure to find the amazing home you’ve been looking for. Contact us or visit one of our display home locations today.

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Double Storey Home Designs FAQs

Double-storey homes offer more living space, greater flexibility and better land efficiency without sacrificing outdoor areas. Explore answers to the most common questions about two-storey house designs, including build costs, narrow blocks, cooling, floor plans and long-term value.

What are the main benefits of a double-storey house?

Double-storey homes maximise living space while preserving valuable backyard area on standard residential blocks.

Key benefits include:

  • More indoor living space
  • Larger backyard and alfresco areas
  • Better separation between living and bedroom zones
  • Potential to capture elevated views

This combination makes double-storey homes especially popular with growing families.

Is it more expensive to build a double-storey home?

Yes, double-storey homes generally cost more to build due to additional structural and construction requirements.

Upper-floor framing, staircases and working-at-height requirements increase construction costs. However, many buyers offset this expense by purchasing a smaller block while still achieving a large home with generous living space.

How long does it take to build a double-storey house?

A double-storey home typically takes between seven and ten months to complete once construction commences.

Build times can vary depending on design complexity, weather conditions and site requirements. Two-storey homes generally require additional construction stages, including upper-floor framing and roofing, which can extend the overall building timeframe.

Are double-storey homes good for narrow blocks?

Yes, double-storey homes are one of the most effective ways to maximise space on narrow blocks.

Many designs can comfortably fit on frontages as narrow as 10 metres while providing four or more bedrooms. Building upwards preserves valuable backyard space and allows for larger living areas without requiring a wider block.

How do you effectively cool a double-storey house?

Modern double-storey homes use zoned climate control and improved insulation to maintain year-round comfort.

Features such as ducted air-conditioning zoning, upgraded insulation, roof sarking and thoughtful window placement help regulate temperatures throughout both levels. These inclusions improve comfort while supporting greater energy efficiency during Australian summers.

What is the best floor plan layout for a two-storey home?

The best double-storey floor plans separate active living areas from quiet sleeping zones through smart zoning.

Many popular layouts position open-plan living, dining and alfresco spaces downstairs while locating bedrooms upstairs. Some designs also include a ground-floor guest suite, creating flexibility for multi-generational living and visiting guests.

Are double-storey homes a good investment?

Yes, double-storey homes often deliver strong resale value through efficient land use and broad buyer appeal.

Many buyers seek larger homes on standard-sized blocks, making two-storey designs highly desirable. Their combination of space, flexibility and outdoor living areas can help support long-term demand and future resale value.

Can you build a double-storey home on a sloping block?

Yes, double-storey homes often work exceptionally well on sloping blocks by following the natural site conditions.

Building across multiple levels can reduce the need for extensive excavation and retaining walls. This approach works with the land's gradient, helping improve site efficiency while maintaining functionality and outdoor living space.