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Sydney’s property market remains fiercely competitive in 2025, with the Domain Group forecasting a 4-6% growth in home prices. Many property owners have opted in for home additions to expand the living space while boosting the property’s market value.

Whether you’re thinking in the same direction, this article will guide you through both small and major home additions in Sydney that can significantly add value to your property. Let’s dive in.

Affordable Cosmetic Upgrades

Small fixes can greatly transform your interior, offering it a sleek and modern finish. These changes are usually much more affordable than structural redesigns, and can help your property appeal to higher quality renters. Here are some affordable upgrades you can begin doing now:

  1. High-Pressure Clean: Transform your home’s exterior with a high-pressure clean. This cost-effective method can rejuvenate driveways, paved areas, and even the house facade. Remember to test a small area first to avoid damaging the original material. After the dirt is washed off, you may consider further upgrading the surfaces by repainting.
  2. Enhance Lighting: Brighten up your space by improving lighting. Install warm-coloured skylights in attics or hallways to create an illusion of larger, fresher rooms. This affordable upgrade can dramatically change the ambiance of your home and help you relax better in the evening.
  3. Update Light Fixtures: Replace outdated fittings with modern alternatives. Consider adding feature lighting in key areas like the kitchen island, hallway, or bedroom for a striking effect. New downlights or semi-hidden LED stripes can also modernise your space instantly.
  4. Refresh Doors: Pay special attention to your front door – it’s the first thing that potential buyers and renters see. Repaint and add new hardware for a fresh look. Ensure the style complements your home’s overall aesthetic.
  5. Replace Outdated Hardware: Upgrade handles and knobs on doors, drawers, and cupboards throughout the house. This small change can give your home a significant facelift.
  6. Update Electrical Covers: Have you noticed the worn-out plastic covers of your switches? Replace yellowing switch plates and power point covers with fresh, bright alternatives. This minor detail can make a surprising difference.
  7. New Window Treatments: Install new curtains or blinds for an immediate visual upgrade. This DIY-friendly project can be relatively inexpensive yet impactful.
  8. Bathroom Refresh: Whiten grout between tiles and consider resurfacing the bath. These simple updates can breathe new life into your bathroom without the need for a full renovation.

Major Home Additions

Extensions are pivotal for boosting resale values. If you are planning to carry out medium to large scale renovations, definitely take into consideration the following options:

Upgrade Your Kitchen

A kitchen renovation is one of the most impactful home additions Sydney homeowners can undertake. A well-designed, modern kitchen can completely transform the heart of your home, creating a more functional and aesthetically pleasing space. Open-plan kitchen designs that flow into living areas are particularly popular, enhancing the sense of space and light.

Potential buyers often view the kitchen as a make-or-break feature. A high-quality kitchen renovation can increase your home’s value by 5-10%, according to recent market data. Focus on durable, attractive materials, energy-efficient appliances, and smart storage solutions to maximise the return on your investment.

Additional Bathroom

Adding an extra bathroom can significantly boost your home’s functionality and value. This is especially true for families or homes with multiple bedrooms. An additional bathroom can ease morning routines, provide privacy for guests, or create a luxurious master suite.

In Sydney’s competitive market, homes with multiple bathrooms often command higher prices. Depending on the quality of finishes, an additional bathroom can increase your property’s value by 4-7%. Consider incorporating modern features like double vanities, walk-in showers, or freestanding tubs to appeal to today’s buyers.

First Floor Addition

A first floor addition is a major project that can dramatically expand your living space and boost the property value. This addition allows you to expand vertically, preserving yard space while doubling your home’s square footage. With this addition, you could incorporate guest bedrooms, a master suite, a home office, or even a separate living area for children.

Better yet, a first floor addition’s impact on your home’s value can be substantial, with potential increases of 30-50% depending on the design and execution. However, it’s crucial to ensure the addition complements your home’s existing architecture and meets all local building regulations. In some residential areas, you may spend extra time and money to obtain permits for expanding vertically.

Semi-Detached Addition

A semi-detached design differs from a first floor addition in that it’s a separate structure connected to the main house through outdoor or indoor space. This type of addition offers flexibility in design and use, making it ideal for creating a granny flat, home office, or rental unit.

Semi-detached additions can increase your property’s value by 20-30% while offering the benefit of separate living spaces. This design is also particularly valuable in Sydney’s rental market, as more and more renters began seeking affordable renting as well as privacy.

Cost of Home Additions

The cost of home additions in Sydney varies widely depending on the scope and quality of your project. A general rule of thumb is to communicate with multiple builders to identity a price range that suits your visions, but here is what we use as measuring the market’s average cost:

– Kitchen renovations: AUD 15,000 – AUD 50,000+

– Additional bathroom: AUD 20,000 – AUD 35,000+

– First floor addition: AUD 1,500 – AUD 2,500 per square metre

– Semi-detached addition: AUD 1,200 – AUD 2,000 per square metre

Final Tips

Home additions in Sydney offer a powerful way to increase your property’s value in a competitive market. Whether you opt for affordable cosmetic upgrades or major extensions, each improvement can contribute to your home’s overall worth.

At Construction Concierge, we understand the complexities of renovations, this is why we offer a free consultation service to connect homeowners with our network of trusted builders and designers. With over 30 years of combined industry experience, we have helped transforming countless home renovations into a fully streamlined and hassle-free journey for our clients

Don’t let the renovation process overwhelm you – contact Construction Concierge today for a free consultation and make your way towards a more valuable, more enjoyable lifestyle in Sydney!

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