Welcome to Coastal Granny Flats…

At Coastal Granny Flats and Extensions, we can create the perfect floor plan to suit your property . With 30 years  experience in the construction  industry and using only the best quality and innovative building materials, we create Granny Flats that are pleasing to the eye and wallet with minimal stress.

We pride ourselves on  honesty, integrity and communication. By having a policy of turning up when we say and letting you know what is going on every step of the process.  

Whether you are a homeowner or an investor, granny flats are a great investment for a small outlay.



– A granny flat is a great way for you to help your children and their families to save for a home of their own.
– A garden flat is a great alternative for your elderly loved ones to keep some independence with the support of family being nearby.
– A granny flat offers you additional living space, and can be good as a home office.
– Secondary dwellings are a fabulous “rental” investment with very good returns and passive income opportunities.
– All of the above maximises your property value.