The requirements below outline the minimum Complying Development requirements for Granny Flats, in accordance with the State Environmental Planning Policy (Affordable Rental Housing) 2009, and is to be used as a guide only.

The State Environmental Planning Policy (Affordable Rental Housing) 2009 encourages the development of secondary dwellings, commonly known as granny flats, by:

✓ Allowing granny flats to be approved as complying development;

✓ Allowing granny flats to be built in all residential zones;

✓ Setting clear standards for the development of granny flats



How hard is the approval process?

  • It is not hard at all. The government is encouraging the construction of Granny Flats via Complying Development applications.

Do I have to do anything to get my Granny Flat approved?

  • No. First Choice will help you with the entire process, including approval from start to finish.

Do I have to choose one of your designs?

  • No. We can design a custom Granny Flat specific to your needs, land, and budget.

What size can I build my Granny Flat?

  • The maximum size is 60 square metres excluding carports, veranda’s, outbuildings, garages etc.

How long does construction take?

  • Typically 12 weeks for completion after approval, subject to weather.

Do you provide separate meters for water and electricity?

  • Yes

Do you offer any warranties or guarantees?

  • Construction has 6 years structural warranty, 12 months maintenance period. Manufacturer warranty for appliances.


General requirements for a Granny Flat is:

  • Residential zoned land
  • Property needs to be a minimum land size of 450m2 or greater
  • Your property needs to be 12 metres wide
  • Maximum floor area of Granny Flat is 60m2
  • 3m rear set back from property boundary
  • Trees over 6 metres needs to be a minimum of 3m away from the Granny Flat
  • Existing drainage easement
  • Planning Certificate – must be obtained from your local council, which outlines any specific classifications that may have been burdened onto your land.