Second Floor Extension, Balconies

If you're planning on adding a second floor extension to your home in Brisbane, Australia, one of the first things you'll need to do is apply for planning permission from the local council. This can be a bit of a bureaucratic process, but it's worth it in the end. Once you have permission, you'll be able to start construction on your new balcony.

The great thing about extending your home upwards is that you'll not only be adding value to your property, but you'll also be increasing your living space. And who doesn't love a good balcony? Whether you're looking to enjoy some fresh air or simply take in the sights of Brisbane, a balcony is the perfect spot. Just make sure to get started on the planning process as soon as possible so you can start enjoying your new space in no time.

Does adding a balcony add value?

Adding a balcony to a home can definitely add value, particularly if the home is located in a desirable area. For example, in the Australian city of Brisbane, homes with balconies tend to sell for a premium. This is likely due to the fact that balconies provide homeowners with an additional outdoor space to enjoy the sunny weather.

In addition, balconies can also be used as a selling point when marketing a property. Buyers are often attracted to homes that have balconies, as they provide a great spot for entertaining guests or simply relaxing and enjoying the view.

Ultimately, whether or not adding a balcony will add value to a home depends on the location and market conditions. However, in general, it is definitely an improvement that can make a home more desirable and valuable.

Do I need planning permission to extend a balcony?

If you're thinking of extending your balcony in Brisbane, Australia, you may be wondering if you need planning permission. The short answer is that it depends on the size and scale of the extension. Generally speaking, minor extensions (such as adding a small deck or increasing the height of an existing railing) can be done without planning permission.

However, if you're planning to make significant changes to the balcony (such as enlarging it or adding a roof), you will need to obtain planning permission from the local council. Before starting any work, it's always best to check with your council to see if you need planning permission for your proposed extension.

How do you extend an existing balcony?

If you're looking to extend your balcony, there are a few things you need to take into account.

First, what is the existing material of your balcony? If it's made of concrete, you may be able to simply add on to it with more concrete. If it's made of wood, you'll need to make sure whatever extension you add is also made of wood so as not to damage the existing structure.

Second, what is the purpose of the extension? Are you looking to create more living space or simply create a more visually appealing balcony? Once you've considered these factors, you can start planning your extension. If you're not sure where to start, there are plenty of professionals in Brisbane who would be happy to help.

Adding a balcony to an existing house

Adding a brand new balcony to an existing house is a different proposition from extending one that already exists, but it's a very achievable project for most two-storey homes. The key starting point is a structural assessment — a qualified engineer will determine whether the existing upper-floor structure can support the balcony loads, and whether new beams or reinforcement are needed.

From there, the main decisions are the balcony type (cantilevered, supported on posts, or attached to a new structural frame), the floor material (timber decking, composite, or concrete), and the balustrade style. Most balcony additions to existing houses in Brisbane take four to six weeks from approval to completion. A reputable balcony builder will manage the council application, structural engineering, and construction as a single package, which keeps the process straightforward.

Can I turn my balcony into a room?

If you're lucky enough to have a balcony, then you may be wondering if you can turn it into another room. In some cases, the answer is yes — but it depends on a few factors. For example, in Brisbane, there are strict regulations around balconies and what you can do with them. In general, balconies can't be enclosed or used as extra living space. However, there may be some exceptions depending on the size and location of your balcony. So if you're thinking about turning your balcony into a room, it's best to check with your local council first to see if it's possible.

Second floor balcony with roof

A second-floor balcony with a roof is a great addition to any home in Brisbane. Not only does it provide an extra level of protection from the elements, but it also offers a unique vantage point for enjoying the cityscape. Whether you're taking in the sights of the CBD or watching the sunset over the river, a second-floor balcony with a roof is the perfect spot to relax and enjoy the view.

If you're considering adding one to your home, be sure to work with a reputable builder who can help you create a space that is both functional and stylish. With a little planning, you can transform your balcony into an oasis in the heart of the city.

Balcony roof extension options and costs

A balcony roof extension — sometimes called a patio roof extension — covers an existing or new balcony to create a sheltered outdoor space. In Brisbane's climate, this is one of the most popular upgrades homeowners make to a second floor balcony, as it allows the space to be used year-round regardless of rain or sun intensity.

The most common options are a flat or skillion roofline (lower cost, clean modern look), a gable roof (more traditional, better ventilation), or a polycarbonate or louvred roof system (allows light in while blocking rain). Costs in Brisbane typically range from $8,000 to $25,000 depending on the size, roofing material, and whether the structure requires its own footings. An integrated roof also generally requires a new development application to council, so factor an additional 6–12 weeks into the timeline.

Second floor balcony with stairs

A balcony is a platform that projects from the wall of a building and is enclosed by a railing. A second floor balcony with stairs is a balcony that is located on the second storey of a building and can be accessed by stairs.

Balconies are often used as an extension of indoor living space and are a popular spot for enjoying the outdoors, entertaining guests, or simply taking in the view.

While they are commonly found on the front of a building, balconies can also be located on the side or rear of a building. Second floor balconies with stairs are a great way to add extra living space to your home and enjoy the outdoors.

How to build a balcony on a second floor

Building a balcony on the second floor of an existing house involves more than simply attaching a deck to the wall. The process starts with a structural engineer confirming that the upper floor framing can handle the additional load, and designing the connection between the balcony structure and the house frame.

Once the engineering is signed off and council approval obtained, construction typically follows this sequence: install the ledger board or structural frame into the house wall; place posts or cantilever beams as required; lay the decking or concrete slab; install balustrades to code (a minimum height of 1,000mm is required in Queensland for balconies above 1m off the ground); and finally connect any door or access opening from inside. The full process from design to completion typically takes eight to fourteen weeks for a straightforward second floor balcony addition.

Adding a balcony to a second floor bedroom

One of the most popular balcony additions in Brisbane is a private balcony accessed directly from a master bedroom or guest room. This creates a secluded outdoor space that feels like an extension of the room itself — ideal for morning coffee or a quiet retreat.

The structural approach is the same as any second floor balcony, but the access point — a set of bi-fold, sliding, or French doors — needs to be factored into both the structural design and the internal fitout. A new door opening into a load-bearing wall will require a lintel and engineering sign-off. Budget an additional $3,000–$6,000 over a standard balcony addition for the door installation and internal finishing.

How do you cantilever a balcony?

A cantilevered balcony is a balcony that projects from the side of a building without the use of support columns. The weight of the balcony is supported by beams that are attached to the building. Cantilevered balconies are often seen on high-rise buildings, where they provide an unobstructed view for residents.

To cantilever a balcony, engineers must first calculate the loads that will be placed on the structure. They then design beams that can support those loads. The beams are typically made from steel or reinforced concrete, and they are attached to the side of the building with brackets. Cantilevered balconies require careful engineering and construction, but they can add a dramatic element to any building.

Simple second floor balcony design

When it comes to designing a second floor balcony for a Queensland home, there are a few things to keep in mind.

First, the climate can be quite hot and humid, so it's important to choose materials that won't heat up too much or become uncomfortable to stand on.

Second, because of the tropical weather, it's a good idea to incorporate some shade into the design. This can be achieved with an awning or by planting some shrubs or vines around the perimeter of the balcony.

Third, because rain is also common in Queensland, it's important to make sure that the design can accommodate for drainage.

Fourth, given the hot weather, it's also important that the design allows for good airflow. With these factors in mind, it's easy to create a stylish and functional second floor balcony for a Queensland home.

Second floor balcony extension ideas

If you're looking for inspiration, here are some of the most popular second floor balcony extension ideas for Brisbane homes:

  • A wrap-around balcony that follows two sides of the house, maximising both views and usable space
  • A roofed balcony or covered outdoor room with ceiling fan and downlights, usable year-round
  • A Juliet balcony — a narrow railed platform in front of French or bi-fold doors — for homes where space or council setbacks don't allow a full platform
  • A louvred roof system that can be opened or closed depending on the weather, giving you a fully flexible outdoor space
  • Composite decking with glass balustrades for a low-maintenance, contemporary look that suits most modern Queensland homes
  • A private bedroom balcony with privacy screening on one or both sides

Cost of building a balcony australia

If you are wondering how much it will cost to build a balcony in Australia, the answer will depend on a few factors. The first is the size of the balcony, which will impact the cost of materials. Second is the location of the balcony, as balconies in high-rise buildings will typically cost more to construct than those on ground level. And finally, the type of balcony you choose will also affect the cost.

A simple balcony that is attached to the side of a building will typically cost less than a cantilevered balcony or one that is built on stilts.

Assuming you are planning to build a standard-sized balcony, the average cost of materials and labour will be around $5,000 AUD.

How much does it cost to add a balcony to a second floor?

The $5,000 figure above reflects a very basic deck addition. For a purpose-built second floor balcony extension in Brisbane, costs are typically higher once you account for structural engineering, council fees, and compliant balustrades. Here is a more detailed breakdown:

A small timber or composite balcony (around 10–15 sqm) with a simple steel or timber frame and standard glass or steel balustrades typically costs $15,000–$30,000 fully installed. A larger balcony (20–30 sqm) or one requiring a cantilevered structure or roof addition will generally sit in the $30,000–$60,000 range. Costs vary depending on the complexity of the existing structure, the materials chosen, and whether a new DA is required.

Balcony renovation costs — updating an existing balcony with new decking, balustrades, or a roof — are generally lower, ranging from $5,000 to $20,000 depending on scope. If you want an accurate figure for your specific home, contact Livit Construction for a free quote and consultation.

Recent Blogs