InHouse Granny Flats - Your trusted Sydney Granny Flat builder

InHouse Granny Flats is an established company with over 25 years of experience in the construction industry. We are Sydney granny flat builders located in Castle Hill, who specialise in the design, approval and construction of granny flats in all Sydney areas. Granny flats allow property investors to increase rental income, as well as providing an affordable rental housing or extended home for many families.

Our state of the art showroom is one of a kind in the current granny flat market. We display the complete range of our standard inclusions, which allows our clients to gain a better understanding of what InHouse Granny Flat is offering in comparison to other Sydney granny flat builders.

Our InHouse crew consists of:

  • Granny Flat Builder
  • Granny Flat Designer
  • Granny Flat Approvals Co-ordinator
  • Granny Flat Construction Manager
  • Granny Flat Account’s Managers
  • Granny Flat Site Supervisors
  • Granny Flat Consultant

The crews at InHouse Granny Flats have a reputation of being the best Granny Flat builders in Sydney. We source our premium quality materials from Australian suppliers and we deliver a finished product to your satisfaction.

Whatever your reason for wanting to build a granny flat, InHouse Granny Flats can provide you with a turn key granny flat solution that will result in a high quality end product. With a selection of designs to choose from, ranging in sizes from 60sqm and up 80 sqm inclusive of a garage/ alfresco, we have standard granny flat designs or custom designs that can be tailored to better suit your property.

From your first obligation FREE on-site consultation, all the way through to design, approvals and construction, you can be rest assured that you will have the most experienced team working on your granny flat.

Our entire staff is committed to providing you with quality advice and a personalised service. Our laborers, bricklayers, concreters, plumbers, excavators, carpenters, electricians, painters, cleaners, builders, project managers, receptionists, designers, engineers, and architects will be on deck and ready to accommodate your every need.

At InHouse Granny Flats, we focus on more than just the price, although we do understand that money is an important factor when making a decision on building a granny flat. From your initial enquiry through to handing over the keys, we will guarantee to make it a hassle free operation and an enjoyable building experience.

So if you’re ready to build your granny flat, contact us today and let us handle 100 % of the process. It’s all of this and more that reflect InHouse Granny Flats’ excellent customer service and exceptional delivery.

Contact us on 1300 650 495 / 02 9659 9009 to make your granny flat dreams come true.

Our NSW Builder License Number 237100C.

Granny Flat Information Night