Bellcast Granny Flats
Design in Sydney

Bellcast Granny Flats is part of the fast growing Bellcast Construction Group Pty Ltd providing Sydney residents with exceptional design, construction and completion skills to help create and build your next granny flat.
We have over 15 years of experience and put that knowledge into our designs and construction process, maximising your return on investment. Building a granny flat in Sydney is a fantastic way to create an additional rental income stream by making the most of your existing land space. We can even help provide you with estimate figures of your complete return on investment by building a granny flat with us.
Our team pride ourselves on our construction at Bellcast Granny Flats with our simple, straight forward, timely and cost effective processes helping minimise any disruptions to your main residents.
We will also organise the Home Owners Warranty Insurance Policy to be taken out for your construction and provide you with a copy for your records. We will also hand over all the relevant Compliance Certificates, Manufacturers Warranties & Final Occupation Certificates at the completion of your new granny flat.