Renovations & Extensions

Not only are we Sydney's preferred choice for granny flats, but we also provide quality renovations & extensions

to help you improve your home to maximise its potential, and make your dream home a reality.

Inhouse Granny Flats – Transform Your Living Space With An Extension Or Renovation.

Inhouse Granny Flats is an established company with over 25 years of experience in the construction industry. We are builders located in Castle Hill who specialise in the design, approval and construction of granny flats, as well as offering high quality & reliable renovation services across all Sydney areas.

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At Inhouse, we offer top-notch renovation services that breathe new life into your existing spaces. Whether you wish to upgrade your kitchen, renovate your bathroom, or transform any part of your home, our expert team is here to turn your vision into reality.


Our comprehensive renovation solutions cover everything from design planning to flawless execution, ensuring your home receives the upgrade it deserves.


Need more space without the hassle of moving? Our extension services are the perfect solution for expanding your home to accommodate your growing needs. We specialize in crafting seamless extensions that seamlessly integrate with your existing structure.


From extra bedrooms to spacious living areas, our team will work closely with you to create a stunning extension that enhances your lifestyle and adds value to your property.

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Looking to add a touch of luxury or functionality to your home? Our addition services encompass a wide range of possibilities to elevate your living experience. 


Whether it's a stylish outdoor entertainment area, a cozy granny flat, or a versatile home office space, we have the expertise to construct beautiful additions that harmonize with your property's aesthetics and serve your unique needs.

Why Choose Inhouse For Your Next Home Renovation?

  • Expertise: Our team of skilled professionals has years of experience in handling various renovation projects, ensuring top-quality results.
  • Personalised Solutions: We understand that every home is unique, and our approach involves tailoring solutions to match your preferences and lifestyle.
  • Attention To Detail: We pay meticulous attention to every aspect of your renovation, ensuring no detail is overlooked.
  • Transparent Process: From the initial consultation to project completion, we keep you informed and involved throughout the renovation journey.
  • Quality Materials: We source high-quality materials to ensure long-lasting, durable renovations that stand the test of time.
  • Affordable Pricing: Our renovation services are competitively priced to deliver exceptional value without compromising on quality.
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Ready to enhance your home with stunning renovations, extensions, or additions?

Contact us now to schedule a consultation and discuss your ideas with our dedicated team. Let's transform your house into the home of your dreams.

CALL NOW 02 9659 9009


Do you have a property in mind to buy?



  • Ensure feasibility of investment
  • Avoid wasting time and money
  • Determine if a granny flat can be built before purchasing the property


  • Customise granny flat design
  • Ensure compliance with local council regulations
  • Assess land characteristics that can impact construction


  • Optimise investment
  • Increase rental income
  • Add value to your property
  • Provide additional living space for family or guests

Open Home Registration

Register with us today and receive a weekly alert regarding future granny flat showings in your area.


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