Brisbane Granny Flat Rules, Regulations & Laws

Brisbane Granny Flat Rules, Regulations & Laws

Each council in Australia will have different rules, regulations & laws to take into consideration when looking at constructing a granny flat on your block.

Most council have a standard rule as to the size of the granny flat that can be constructed on your block. If you do not know what the council permits in your area, it is definitely worth a phone call to your Private Certifier.

Different councils also have rulings relating to renting out granny flats. Currently, most councils in NSW permit granny flats to be rented out to non-family members.

Two Queensland Councils – Ipswich City Council & Logan City Council – have also passed recent legislation to permit renting out your granny flat to non-family members.

For current rulings, please see the below rulings:

Logan City Council Requirements – Auxiliary Units – Fact Sheet

Auxiliary Unit:

  • May be occupied by different households e.g. the auxiliary unit could be rented out independently to the primary dwellings (i.e. to someone else); and

  • Has constraints including

    • A maximum of two bedrooms, one kitchen, one living space and one driveway crossover; and

    • Size Limits

      • 70m2 if in the residential zone category (low density Residential Zone, Low-Medium Density residential Zone or Medium Density Residential Zone) and on a lot less the 1,000m2 or

      • 100m2 otherwise

Brisbane City Council Requirements – Secondary Dwelling – Fact Sheet

  • Secondary units can have a gross floor area of no more the 80m2

  • Secondary Dwellings must be no further than 20m from the main dwelling

  • Secondary Dwellings mist be used by the same household group (family members) and can not be legally leased as an investment property

Ipswich City Council Requirements – Auxiliary Units – Fact Sheet

  • Auxiliary units can have a max gross floor area of 50m2

  • Auxiliary units may be attached or detached

  • Auxiliary units must be consistent with the existing dwelling

  • Auxiliary units can now be rented out for income or used as accommodation for relatives

Redland Bay City Council Requirements – Secondary Dwellings – Fact Sheet

  • Secondary Dwellings can have a maximum gross floor area of 50m2

  • Secondary Dwellings must be no further than 20m from the main dwelling

  • Secondary Dwellings must be used by the same household group (family members) and cannot be legally leased as an investment property

Moreton Bay Regional Council – Secondary Dwellings – Redcliffe Fact Sheet

  • The maximum floor area is 60m2 ; and

  • The unit contains a maximum of 2 bedrooms, 1 kitchen and 1 living room; and

  • A maximum of 1 unit for relative’s accommodation is provided on the property.

  • The unit is not rented for fee or reward as a self-contained residential dwelling unit; and

  • At the cessation of the use, any items that enable the Relative’s Accommodation to be self contained are removed and the Relative’s Accommodation reverted to conventional rooms of the house; and

  • The resident of the house shall reside permanently on the land.

Please click the below links for Pine Rivers and Caboolture requirements for Secondary Dwellings

Pine Rivers Fact Sheet

Caboolture Fact Sheet

Gold Coast City Council – Family Accommodation – Fact Sheet

  • Family accommodation can have a max Gross Floor Area of up to 80m2 or less than 50% Gross Floor Area of main dwelling – depending on zoning

  • Family accommodation must share; a driveway, water and sewer connection with the main dwelling

  • Family accommodation must be used by the same household group and cannot be legally used as an investment property

Sunshine Coast Council Fact Sheet

  • Be located on a site with a minimum area of 600m2

  • Secondary dwellings can have a max Gross Floor Area of 90m2 in a rural zone or rural residential zone

  • Secondary dwellings can have a max Gross Floor Area of 60m2 in all other zones

  • The dwelling house and the secondary dwelling mist have a combined maximum site cover of 50%

  • At least 1 car parking space, in addition to the requirement for the dwelling house must be provided for the secondary dwelling

We understand that our “standard designs” will not suit all blocks & council regulations. You are welcome to Contact Us to discuss changing our plans or sending in your own design to suit your council regulations.