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About Us

Granny Flats Adelaide

Premium Granny Flats, Secondary Dwellings & Backyard Studios in Adelaide

Aspen Granny Flat Prefab Floor Plan 
Design Adelaide SA
Inside Granny Flat - One Bedroom
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Premium Quality, Pre-Crafted Studios & Buildings 

Looking for a granny flat in Adelaide?

At Inoutside, we design and build premium prefab granny flats, secondary dwellings and backyard studios that create flexible living space for families, guests, rental accommodation and independent living.

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Whether you're accommodating extended family, creating a private retreat, generating rental income or adding value to your property, our team can help guide you through the process from concept to completion.

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Unlike many advertised "starting from" prices within the industry, we believe in providing realistic pricing guidance and greater transparency from the beginning, helping you better understand the true cost of your project before you commit.

The Hazelwood Barn Granny Flat Design Adelaide

A granny flat, also known as a secondary dwelling, is a self-contained living space located on the same property as an existing home.

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Modern granny flats have evolved far beyond simple backyard accommodation and are now commonly used as:

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  • Accommodation for parents or extended family

  • Independent living spaces

  • Guest accommodation

  • Rental accommodation

  • Airbnb and short stay accommodation

  • Home offices and studios

  • Lifestyle and downsizing solutions

 

Our prefabricated backyard building range includes compact studio layouts through to larger one and two bedroom dwelling options.

The Elm Granny Flat Design, Builder Adelaide

✔ South Australian owned and operated

✔ Built in our Adelaide workshop

✔ Premium materials and finishes

✔ Flexible layouts and options

✔ Experienced installation teams

✔ Transparent pricing

✔ Approval guidance available

✔ Turnkey project options available

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For over a decade, Inoutside has been helping South Australians create flexible living spaces designed for modern lifestyles.

Ash Granny Flat Elevations

Many property owners are now exploring granny flats and secondary dwellings as a way to create additional accommodation on their property.

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Depending on your location, approvals and intended use, a granny flat may provide opportunities for:

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  • Airbnb accommodation

  • Short stay rentals

  • Guest accommodation

  • Rural tourism accommodation

  • Family and visitor accommodation

 

If you are considering an Airbnb granny flat or secondary dwelling for short stay rental purposes, our team can discuss suitable layouts, design considerations and project requirements for your property.

The Willow Granny Flat Design Studio Build

One of the advantages of prefabricated construction is the ability to significantly reduce onsite building time compared to many traditional construction methods.

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Because much of the construction process occurs within our Adelaide workshop before delivery, onsite installation is completed far quicker than a traditional build.

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Project timeframes will vary depending on approvals, site preparation, engineering requirements and design selections, however prefabricated granny flats provide a faster pathway to creating additional living space.

Aspen Granny Flat Design, Builder Adelaide SA

One of the most common areas of confusion within the granny flat industry is understanding exactly what is included in an advertised price.

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Many advertised "starting from" prices can appear attractive initially, however customers later discover that important items required to complete the project may be additional costs.

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Common exclusions can include:

  • Delivery

  • Onsite installation

  • Footings

  • Internal works and finishes

  • Engineering

  • Approvals

  • Site works

  • Service connections

 

At Inoutside, we believe customers deserve realistic pricing guidance from the beginning.

Every project is different, however our goal is to help clients better understand likely project requirements early in the process to avoid unexpected surprises later.

The Birch Granny Flat Prefab Design

Every property is different and a range of factors can influence the design, approvals and final project cost.

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These may include:

  • Site access

  • Soil conditions

  • Slope and retaining requirements

  • Council requirements

  • Bushfire overlays

  • Service connections

  • Delivery requirements

  • Design selections

 

Our team works with you to identify these factors early and help determine the most suitable solution for your site.

Backyard Studio Prefab Adelaide

Inoutside specialises in high-quality prefabricated buildings designed and manufactured for Australian conditions.

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Our range includes:

  • Granny flats

  • Secondary dwellings

  • Backyard homes

  • Studios

  • Home offices

  • Guest accommodation

  • Lifestyle accommodation

 

Each project can be tailored to suit your property, intended use and lifestyle requirements.

Inside Granny Flat Adelaide Prefab Builder
  • The cost of a granny flat can vary significantly depending on the size, inclusions, site conditions, approvals and installation requirements. We recommend discussing your project with our team so we can provide realistic guidance based on your specific property and requirements.

  • Many clients explore using their granny flat or secondary dwelling for Airbnb and short stay accommodation. Requirements can vary depending on location, approvals and local regulations.

  • Approval requirements vary depending on the property, location and dwelling design. Our team can help explain the approval process and likely requirements for your project.

  • Timeframes vary depending on approvals, engineering, site preparation and design selections. Prefabricated construction reduce onsite building time compared to traditional methods.

  • We offer a range of layouts and dwelling sizes, from compact studios through to larger one and two-bedroom designs. See our designs here.

Custom Build

Helpful Resources for Granny Flat Owners

Whether you're exploring a granny flat for family accommodation, rental income or short stay accommodation, the following resources may help you better understand planning requirements and project considerations.

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Government Resources

 

Short Stay Accommodation Resources

 

Related Inoutside Resources

Start Your Granny Flat Project

Whether you're creating space for family, exploring rental opportunities, planning an Airbnb accommodation project or simply looking for additional living space, our team would love to discuss your ideas.


Contact Inoutside today to explore granny flat and secondary dwelling options for your Adelaide property.

Inside Granny Flat Adelaide Prefab Builder
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