Granny flat extensions can be either attached or detached depending on space, environment, the intention, privacy and the dwelling itself.

Obviously most granny flats are connected in some form to the current dwelling and constitute an independent living space aside of the house.
Some of our clients (either home-owners / Farmers / investors) have intended uses for the granny flats being an additional income, somewhere to accommodate their extended families or friends and or workers in some instances (seasonal farm quarters).
The granny flat design is therefore important to create privacy and separation in some instances. It makes great sense to consider the creation of separation where the property is being developed for tenancy. It is always mindful that the intended use for your granny flat today may change in the future therefore, the overall design should be considered. You may decide to sell your house in the future and therefore, investors will always be more attracted to buying an investment property where the granny flat has been sited with privacy and separation as the overall goal.
Having two separate dwellings will maximise your rental return, increase the overall value and enhance the attractiveness of your secondary dwelling. Therefore, planning for this privacy already adds so much more value.
Privacy or Separation – ensures that both occupants can enjoy acoustic and visual privacy without ‘overlooking’ each other.
Structural Considerations – if the new granny flat blocks out views or obstructs the sun will devalue the main dwelling. The overall roof line should be similar or less than the original dwelling.
A detached granny flat situated in the rear of the yard is less visually intrusive whilst maintaining the privacy.
The regulations changed in 2013, which meant that granny flats could be built in all residential zones. The only restriction is that there is no more than one main home/dwelling and one granny flat on the same block of land. Also the combined floor area of the main home and the granny flat cannot be larger than the maximum floor area set by the local government within their local environmental plan. The size of the granny flat itself can be no more than 60 square metres or the maximum allowable by the council, should it is different.
This as a great opportunity for those who are planning on holding on to a property long term and deriving income from it as it would be possible to rent an independent dwelling out for as much as $250 or more per week in the vast majority of Perth suburbs.
Long-term rental gains justify building a granny flat. The main reason is that demographics show that granny flats aren’t just for grannies any more. Many older couples are letting their kids move their families into the main houses and moving into the granny flats themselves.
Another factor is that granny flats aren’t the boring afterthoughts that they used to be. Now, they are new, well-constructed, miniature houses. Many elderly couples see them as a great alternative to assisted living homes. They have their own house, but their families are close enough to help them if they need anything. This can keep the elderly out of assisted living and feeling wanted and productive as they enter the last years of their lives.

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