Granny Flat Builder Brisbane

Granny flats or a secondary dwelling can be a profitable and practical addition to your property, so it’s no wonder they’re becoming more popular!

Here at de Graaf Constructions, we find our clients seek a secondary dwelling for a wide of range of reasons, including as a Rental or Airbnb, a quiet retreat for teenagers, multigenerational living, or to create an extra living or office area.

Regardless what you plan to use it for, you won’t be disappointed if you enlist our licensed builder and carpenter to create a custom granny flat.
Call de Graaf Constructions today or request an online quote here.

Call 0432 958 578
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Granny Flat Build Process

Granny Flats and Secondary Dwellings

The process to build secondary dwellings, like backyard granny flats, can vary from project to project.

We need a full set of plans to carry out a granny flat or secondary dwelling builds. If you haven’t chosen an architect or draftsperson already, we can recommend one to create your granny flat designs.

Here is a snapshot of is typically how a secondary dwelling is build proceeds:

  • 1. Design & Council Approval

    This includes assessing how the secondary dwelling will work alongside the primary dwelling and whether it’s possible to use existing amenities such as a home sewerage treatment plant (HSTP) if applicable.

  • 2. Site Preparation, Slab & Framing

  • 3. Project Management of Trades & Build Completed

  • 4. Clean Up & Handover

Got a question?

Contact us for more information and a detailed run through of de Graaf’s comprehensive construction processes.

Considerations for Building a Granny Flat

The options to customise secondary dwelling designs are endless. First and foremost, you will need to check local council requirements for a second dwelling.

Typically, the indoor living space tends to be limited to 90-100 square metres. However, there are plenty of ways to add functional outdoor living areas as well!

Here are some of the things to keep in mind:

Granny Flats and Secondary Dwellings
  • Location to main building/residence
  • Design
  • Fully self-contained
  • Fittings, Materials
  • Power Supply
  • Water supply
  • Driveway access

Frequently Asked Questions

How much room do I need for a granny flat?

This depends on the size of the acreage and local council regulations.

How long do granny flats take to build?

It can be about 3 – 4 months, which is similar to a new home build. While it’s smaller space, the steps of the process, such as council approvals, need to occur with these smaller dwellings as well. Plus, the length of time can also be dependent on types of finishes.

What building class is a granny flat?

A Secondary Dwelling/Granny Flat is considered a Class 1a building.

Why Choose de Graaf Constructions?

Samford Owned & Operated. We’re locally based, a small family owned business.
We Genuinely Care. Small enough to care, big enough to handle any residential, commercial or maintenance project.
Professional, Personal Service. We’re upfront, honest and keep you up to date every step of the way.
Network of Reliable Trades. We only use trades that we know personally and can attest to their quality workmanship.

Samford Owned & Operated

We Genuinely Care

Professional, Personal Service

Network of Reliable Trades.

Adding a secondary dwelling to your property?

Adding a secondary dwelling to your property, such as a backyard granny flat, can be enormously beneficial. Talk to the licensed builder at de Graaf Constructions about constructing the perfect granny flat for your property.

Call Us 0432 958 578
Request A Quote