How to add a double storey extension to a single storey home

The step by step guide to doubling your space and making your home energy efficient

What is the better option, adding a second storey home extension, or building out? Adding a second storey home extension has several benefits over building out. For one, you will not have to compromise on your outdoor area. Also, it’s a cost-effective option.

Adding an energy-efficient second storey home extension to your existing single storey home offers innumerable benefits. For example, it:

• doubles the space
• reduces energy costs
• adds value to your home
• retains your outdoor space

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Things to consider when adding second storey home extension

Adding a second storey home extension to your home is a big project. To get it done right the first time, you should consider the following things.

Registered builder

Hiring a registered home builder should be your priority. Adding a second level to your existing single storey home is a complicated procedure, and requires a team of skilled architects, tradies, and engineers to pull off the job properly.

Getting plans on paper

It is of paramount importance to get your building plans on paper. It will give you an idea of what to expect and what’s achievable. So make sure you have got plans drafted before you get started with the construction.

Insurance protection

Building without insurance is a straight up NO-NO. Getting insurance protection before you initiate your building process will cover any damages occurring during the construction process, and protect you from expensive blow-outs to costs.

Council building regulations

You will have to get approval from the local council before considering adding a second storey extension to your single storey home. First, get your design finalised and then seek approval from the local council.

Consider improving home’s energy-efficiency

Incorporating energy-efficient features when adding a second storey home extension is a great idea. It will reduce your energy consumption on heating and cooling, reduce ongoing energy bills and do good for the environment.

How much does adding an energy-efficient second storey home extension cost?

Adding a second storey home extension is not a cheap renovation, but can be a cost-effective option compared to building out. The cost of adding an energy-efficient second storey home extension will depend on many factors like:

• Design and layout
• Materials used (for example, cement or brick)
• Energy-efficient and other technology features
• Size of the job

Most Australians, on average, pay between $1850 and $3300 per square metre for adding a second storey home extension to a single storey home. Ask for the estimated cost from your builder before you get started with your home expansion project.

How to add energy-efficient second storey home extensions

Adding an energy-efficient second storey home extension is not a DIY project. It takes a skilled team to do it flawlessly. But knowing the process will help you understand the process and the essentials of adding an energy-efficient second storey and make your project a successful one.

Research the latest trends in home design

Do your research when you are considering adding a second storey extension to your single storey home. Look for the latest design, technology and energy-efficient features you would want to incorporate in your home design. Also, do thorough research on contractors and get quotes. Get to know the building regulations.

Hire the construction specialists

Always hire registered construction specialists to get the job done. Hiring experts will ensure your home expansion project is completed on time and successfully. Check their reliability and previous work to ensure you’re getting the real deal.

3D concept design and layout

Work with your contractor and finalise the elements you want in your home. Ask for the 3D concept Design and layout from your contractor.

Get planning permits

Once you give your approval for the building design and layout, the contractors will draft the building contract. Then, they will create the working drawings and communicate with your local council regarding obtaining second storey extension permits.

Invest in high-quality building and construction materials

Using top-notch materials will ensure that your home is structurally sound, safe and durable. Check with your contractor if they offer any structural guarantee on their works.

Progress inspections

Usually, the engineers and experts will inspect the progress of your project at the key stages to ensure it’s on track. The final comprehensive inspection will take place after the completion of your project.

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