Ready Next Step

Experience The Cubitt’s Advantage

Giving Our Customers an Advantage Like No Other

Ian Cubitt’s Classic Home Improvements is proudly family owned and operated, and a business you can depend on. Over 25 years’ of experience, our team have built over 1,700 Granny Flats, and completed hundreds of home additions and extensions across NSW and the ACT.

Delivering quality for your investment is of utmost important to us, that’s why we have actively sourced and handpicked the best and most reliable tradesmen across every facet of the designing and building process - from our showroom representatives right through to specialist carpenters and our award-winning customer service team.

Whether you are looking to secure a stronger financial future, or provide comfortable living for a growing family, Ian Cubitt’s Classic Home Improvements is passionate about delivering Australians their dream Granny Flat or home extension project with minimal fuss, and maximum flair.

An Advantage as Builders

Experience the benefits of partnering with the most trusted Granny Flat builder in NSW and the ACT:

  • 25 Years’ Experience
  • Quality workmanship
  • Dedicated project manager for every customer
  • Bespoke designs and added features available
  • Experts at navigating difficult blocks
  • Award-winning customer service
  • Experienced council planning and drafting teams
  • Multiple extras included such as Colorbond roofing in a selection of colours to choose from, Cubitt’s Classic Structural Guarantee and much more!

An Advantage for Your Lifestyle

We understand that designing and building your own Granny Flat or Home Extension project can be both an exciting and deeply personal experience. At Cubitt’s, we take the time to understand your needs, so you can provide the ultimate lifestyle for whoever lives in your Granny Flat - be it family or paying tenants. Our smarter, expertly designed Granny Flat models have been tried, tested and refined for over 10 years to assure maximum levels of comfort.

An Advantage for Your Investment

We guarantee the fastest possible time for your design and build process. Our focus is on ensuring your build is as smooth, stress-free and as low cost as possible.

An Advantage for Your Community

Our neighbourhood-focused approach means we are mindful of the impact we are making, and considerate to those who may be affected. We always ensure a low-impact and safe environment at your site, both for you as well as surrounding properties and residents. Our ethical and sustainable practices mean we are not only building for your future, but for a brighter and more sustainable future for all of us.

Call us on 1300 721 150 for more information or to visit one of our showrooms.

Our core values of reliability, transparency, quality and integrity are deeply entrenched in our business and reflected in our results.

These values, along with a personalised approach, upfront pricing with no hidden fees, and progress updates through every step of the journey gives our customers an advantage like no other.

A Highly-Qualified, Handpicked Team

Over 25 years, Cubitt’s have actively sourced and handpicked the best and most dependable staff in the industry. The team at Cubitt’s are committed to being focused, economical and efficient – always with the customer in mind.

Consultants 600X375

Experienced Consultants

Nothing replaces knowledge. Leveraging their unique blend of estimating, design, planning, construction and customer service abilities, our consultants have years of experience finding the perfect Granny Flat design and price for every customer.

At Cubitt’s, your project will be tailored to your needs and priced to your budget.

Customer Service 600X375

Award-Winning Customer Service

We don't believe in automated messages and chat-robots at Cubitt's. We invest in our staff so that you will have a qualified, friendly and experienced professionals to answer your questions every step of the way.

Build with confidence when you build with Cubitt’s.

Design 600X375

Bespoke Designs

At Cubitt’s, we take the time to understand your needs.

One of the most critical processes is making sure that your design is just how you hoped it would be. Our design team is dedicated to taking your design from concept to plan, either from one of our superb base models, or a customised design that has been completely tailored to your needs.

What Makes Cubitt’s Different from Competitors?

At Cubitt’s, we pride ourselves on providing exceptional service from start to finish. ­­­

Planning 650X375

Pain-Free Planning

Often referred to as our ‘secret weapon’, our experienced in-house planning teams focus on the project approval path, avoiding unnecessary delays to your project, and taking the hassle out of council planning.

Experience a pain-free approvals process with Cubitt’s.

Construction 650X375

Careful Construction

Cubitt's construction team is known for their high calibre workmanship, dedication to detail and safety, and their commitment to go above and beyond.

From Ian Cubitt himself, through to our award-winning apprentice programme, construction is the backbone of our business. Our construction service is unparalleled in Granny Flats.

Site Project Managment 650X375

Dedicated Project Management

Our site supervisors focus on the following three key objectives at all times, to ensure a transparent and stress-free experience for customers from day one to project completion;

  • Transparent and consistent communication
  • Calm, confident and punctual delivery
  • Top-quality results

Our motto is one contact, zero confusion!

Cubitts Advantage White

Our handpicked team of design consultants can show you how your home’s potential can be fulfilled as soon as you wish.

Get in touch with Cubitt's


Interested in finding out how to make a positive investment from a Cubitt's Granny Flat or Home Extension? Get in touch for a no-obligation site inspection today


Or call 1300 721 150

No obligation, Free in-home consultation

Contact Us Today