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If you are considering building a granny flat in Perth, one of the first questions you probably have is: “How much does it cost to build a granny flat?” The answer depends on several factors, including the size, layout, finishes, site conditions, and council approval requirements. Every property is different, which is why the best way to understand the likely cost is to go through the process step by step. At Vasile Build, we help homeowners across Western Australia understand the process clearly before construction begins. What Is a Granny Flat? A granny flat is a secondary dwelling built on the same property as an existing home. In many suburban areas of Western Australia, homeowners are now transforming unused backyard space into practical additional living areas. A typical rear granny flat may include: 2 bedrooms Small kitchen Bathroom Laundry area Compact living space Outdoor area Granny flats are commonly used for: Extended family living Elderly parents Adult children Guest accommodation Rental income opportunities Home office or studio space Step 1: Understand What You Want to Build Before pricing can begin, it is important to decide what type of granny flat you would like. Some homeowners prefer a simple one-bedroom layout, while others want a larger self-contained unit with full amenities and modern finishes. To provide an accurate estimate, we usually need to know: The size of the granny flat Number of bedrooms Preferred layout Type of finishes and materials Attached or detached design Site access conditions Any custom features or requirements The more information you provide, the more accurate the estimate will be. Step 2: Check Planning Rules in Western Australia In Western Australia, granny flats must comply with local planning and building regulations. Recent planning updates have made granny flats more accessible in some situations, but approvals and compliance requirements still apply depending on your property and proposed design. Important factors may include: Block size Setbacks Site coverage Parking requirements Sewer and utility connections R-Codes compliance Understanding these requirements early can save significant time and cost later in the project. Step 3: Prepare Drawings or Concept Plans Before a meaningful construction quote can be prepared, drawings or concept plans are usually required. These do not always need to be highly detailed in the beginning. Even a basic sketch or rough concept can help start the discussion. Plans help us understand: Building size Room arrangement Access and driveway layout Service connections Construction complexity If you already have drawings prepared, you can send them through for review. If not, we can guide you through the next steps. Step 4: Obtain the Right Approvals A granny flat still requires a building permit before construction can begin. Depending on the location and design, additional approvals may also be necessary. Speaking with a builder early in the process helps you: Understand likely approval requirements Avoid costly redesigns Improve project planning Clarify realistic budgets Reduce delays during construction Early planning makes the process smoother and more efficient. Step 5: Request a Building Quote Once plans and project details are available, we can prepare a quote or estimate based on your specific requirements. This provides a clearer understanding of: Estimated construction costs Site works requirements Service connections Finishing selections Potential council-related costs Even if you are only in the early planning stage, we are happy to discuss your ideas and help guide you through the process. What Information Should You Send Us? To help us provide the best advice possible, please send: Your site address Any drawings or sketches Description of the granny flat you want Preferred size and layout Any special requirements Your expected timeline Why Homeowners in Perth Are Building Granny Flats Many homeowners in Perth are choosing granny flats because they make better use of existing land while adding flexibility and long-term value to the property. Benefits may include: Additional living space Increased property value Multi-generational living options Rental income potential Better use of large backyards With rising property prices and growing housing demand, granny flats have become an increasingly practical option for many families. Speak With Vasile Build If you are considering building a granny flat and would like professional guidance, the team at Vasile Build would be happy to assist. Please email your plans or enquiry to: builder@vasilebuild.com. You are also welcome to arrange an appointment to discuss your project ideas, site conditions, and design requirements.

Unlock the Development Potential of Your Property Are you considering developing part of your property in Perth or Western Australia? Whether it’s a granny flat, secondary dwelling, duplex, or a larger multi-unit development, Vasile Build helps you understand what is possible and how to maximise your land value. We specialise in identifying development opportunities that transform underutilised land into high-performing residential investments, including Airbnb-ready dwellings and multi-residential projects.   Expert Development Guidance At Vasile Build, our team brings real, hands-on development experience across residential and multi-unit projects in Western Australia. We understand the full lifecycle of property development—from feasibility through to construction and delivery. Whether you are exploring a single secondary dwelling or a larger subdivision-style project, we provide clear, practical advice tailored to your goals, site conditions, and budget. Feasibility, Planning & Investment Insight Making the right development decision starts with accurate numbers. Our specialists help assess: Construction feasibility and costs Potential rental yield and returns Site potential and planning constraints Market conditions in Perth and WA This ensures your project is financially viable and aligned with long-term investment goals. Book a Free Consultation Discover what your property could really achieve. We offer a free initial consultation to assess your site and provide clear development guidance tailored to your goals. 📩 Contact Vasile Build today to start exploring your property’s full potential.

Design and Build Your Dream Home with Trustworthy Experts When it comes to designing and building your dream home, trust is paramount. Resolving design disputes after the structure is erected can be costly and challenging. That's why it's crucial to keep the client involved during the design stage. At Vasile-Build, an award-winning builder and designer, we prioritize transparency and ensure that your design remains exclusively yours. From Design to Reality We understand that not every design is suitable for every plot of land. If you've already purchased land, our expert team will guide you in selecting the most compatible design. With a diverse portfolio, we present various design options and listen closely to your preferences. Leveraging our designing expertise and cutting-edge construction technology, we turn your vision into a smart home in Perth. Trusted Perth Home Builder Vasile-Design & Build stands out from other builders by delivering a higher standard of service and guidance. As experienced property developers, we tailor-make solutions to meet our clients' needs. Our commitment to exceptional service, competence, and skill ensures that we build a house that fulfills your dreams. Contact us today to discuss your project and take the first step towards the home of your dreams.

Astrid Vasile, WA Business Partner of the Year When Astrid Saraswaty Vasile received her invitation to the HIA-NAB WA Housing Awards back in November 2009 husband Gino had a surprise for her…he’d nominated her for the WA Business Partner of the Year award. Her second surprise came on the day itself when her name was called out and she took to the stage to receive her award. “I felt very fortunate,” says Astrid. It’s good to be appreciated, and just being nominated by Gino felt like a payback for all the work we’ve put into the business. Then, when I won, well I really appreciated what he’d done.” So, what does it take to be an award winning Business Partner…we’ll let Gino’s awards entry submission speak for itself: “The first 12 months was used to learn about construction edures and set up account and filing systems for record keeping and taxation reporting. Within the next five years she expanded her knowledge in the industry by preparing all budgets for various projects on hand and setting goals for improving profitability, handling all GST returns on a quarterly basis without mistakes having been audited by the ATO on three occasions. In the last three years her ambitious nature took over and she enrolled at the TAFE to become a builder. Having subsequently passed all building supervisor courses her ambition was to become a full registered builder to allow her more site involvement and allow our company to build more developments without the need for more outside supervision. Astrid has extraordinary skills and passes any new and positive ideas to all within her environment at work even though they sometimes resent change but she does not take no for an answer. If she knows it is correct and a better way to do something she will pressure for change. Astrid has taken on board what she has learnt about safety practices through her studies and applies them to the business. She will not tolerate unsafe work sites. Astrid’s management of financial matters can never be questioned. She has a daily knowledge of the company position in relation to debtors creditors maintenance control and management of funds with limited flexibility. It has been a difficult but satisfying experience for her ”and she is always working on ways to improve and streamline the process.” A financial wizard, a gun accountant, a qualified building supervisor, and now holding a builder’s licence…what more could you ask for in a business partner. For Astrid Saraswati Vasile – 2009 WA Business Partner of the Year – though, Business Partner Network membership has all been part of the journey. “We’ve been members for the past eight years and it’s proved a valuable part of the business,” she says. “The information and services the HIA provides are really good, but the functions are really, really good to me. It’s great to be able to get together with other partners and discuss things with them…whether it’s business issues or personal. “The people are friendly, the events are great, and the information and networking opportunities that the BPN provides are really handy. “Being a business partner can be hard work, but to be recognised for my efforts with the award was really a thrill. My sincere gratitude to all of the HIA committee members, and others, who thought enough of me to recognise my efforts.”

Attracting more women to become registered builders has been an exciting outcome of the Master Builders state-wide. While women traditionally played a supportive role to their male partners in building companies, the Next Step program has enabled more women to become registered builders in their own right. “There are only about 22 women who are registered builders in Western Australia out of a total pool of over 5,000, so there is plenty of room for improvement,” Mr Forster said. The Next Step Builder programme is a two hour course which explains the “rules of the game” to become a registered builder in Western Australia. It provides information on the various pathways to registration and advice on how to make an application. One-on-one assistance is also provided with preparation of an application to the Builders’ Registration Board. “Since the launch of the programme in 2007, around 1,000 people have attended the course. Around 200 people have achieved registration so far and another 250 are in the process of applying. It has been a great success,” Mr Forster said. “Master Builders is committed to the ongoing development of women in the building industry through its Women in Construction program”, Mr Forster added. “As the building industry recovers and skill shortages re-emerge, attracting more home grown builders including women to the industry rather than relying on overseas or interstate builders makes good sense,” Mr Forster concluded. Karen Brown, Registered Builder No 12852, achieved her registration in June 2009 after completing her Diploma of Builders Registration. She has experience in residential and commercial building. With previous roles as a project manager for Western Power and Hewlett Packard, Karen now plans to establish her own building company in Mt Lawley. Astrid Vasile, Registered Builder No 13046, achieved her registration in December 2009. She has a Master Degree in Business Administration and over 10 years experience in residential building in Western Australia and Indonesia.