Granny Flat Building Process

Regardless of which manufacturer granny flats manufacturers directory chosen, all granny flat builders follow a basic granny flat building process path towards constructing and transporting a granny flat.

Step 1

Consultation to ascertain exactly what is required This may include looking at a selection of granny flat designs and granny flat plans. Talking about the options available for eco-friendly granny flats, and discussing the rough costs to buy the small home so the buyer has an idea of what price they are looking at paying.

Step 2

A site visit is done by the manufacturer so they can assess such things as access to the property, layout, trees, slope, soil structure, etc (this is normally free of charge but not always).

Step 3

Granny Flats Council PermitsDelegation of responsibilities; including Council permits and approvals Council approval for granny flats, and organisation of the utilities. Is the manufacturer enlisted to do everything, or is the buyer wanting to do some DIY to save cost? Note: Manufacturer’s have very efficient processes, secure volume discounts which they pass on; sometimes it is very challenging to save money by doing DIY. Or, when analysed, there maybe very little financial gain in doing it yourself.

Step 4

The manufacturer will have drawings made up of the required granny flat with all the desired extras and supply a written quote for your perusal.

Step 5

Make any changes to the drawings. Discuss colour schemes. Agree to the price <granny flat prices> and sign contract. (Normally a deposit is paid of approximately 5%).

Step 6

The manufacturer will –

Preparation for a granny flatContact the Council to get information about the block of land.

Probably do an energy rating assessment on the proposed granny flat.

Have a geologist do a soil test on the block of land to determine the foundation/footing design.

If required, get a planning permit application prepared.

If required, get a septic permit application prepared.

Prepare and apply for the building permit at this stage in the granny flat building process.

Step 7

Frame production (Site preparation starts on land).

Walls/floor built and secured to frame.

Roof constructed and windows installed.

Internal walls are plastered and painting commences.

Kitchen and bathroom fitted.

Foundations laid on land. (Normally a progress payment of approximately 5% is payable)

Step 8

Final testing of electrics, etc before departing from factory).

Step 9

Manufacturer transports the granny flat module/s to the block of land. (Normally the largest financial transaction of approximately 85% is payable at this time)

Step 10

Checklists for Granny FlatsAssemble modules, join and finish the granny flat on-site.

Buyer inspects the building thoroughly to ensure it is to their satisfaction.

Manufacturer hands over ownership of the home to the buyer. (Normally the final payment is due)

Step 11

A reputable manufacturer will usually return in 60 – 90 days to the buyer’s property to inspect it. Making sure there is nothing that needs attention and confirm the buyer is satisfied with the home.

DIY – Granny flat

For those wishing to build a granny flat themselves, there are hundred of thousands of resources available to learn from. Some good information can be found at –  – This forum has over 30,000 members and a wealth of information (which you must determined whether or not is good for you, accurate and correct).

Search videos, but MAKE SURE what is seen is Australia compliant!  is the homepage of the magazine which is available in newsagents throughout Australia.  – has some videos available.

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