No set price as each property and extension is unique. The final budget can be influenced by size, design, existing conditions, materials, labor, site access, and site approvals.

If you are thinking about Brisbane home extensions Brisbane owners should know these factors before they begin so that they have a better idea of what their Brisbane home extension may cost.

Factors that influence the price of your home extension.

Extension size is important, but not the only factor to consider. The requirements for a simple addition to the living room could be very different from a kitchen/bathroom or second story extension.

The scope of the project can be expanded by existing structure, roofing, plumbing, electrical, window, finishes, and site access.

Three ways your Brisbane property can impact the budget.

Complex extensions may result from the presence of older houses, sloping blocks, limited access and existing construction problems.

Brisbane City Council suggests you review the zoning and planning requirements of your property before any extension or renovation, and make sure you know what these laws and guidelines are. Further approvals may be required depending on the project.

Are Approvals and Professional Fees in addition to the Cost?

They can. Cost of design, engineering, certification, planning requirements and other professional services may also be part of your overall budget, beyond construction.

It's important to be aware of these early, to prevent any unexpected changes later if you are thinking about Brisbane home extensions.

What can you do to keep the project in budget?

Have a definite scope and budget in mind. Request and accept a comprehensive quote, including what is included and leave the scope for unforeseen challenges and rejections of designs in the building process.

Don't base your choice of builders on the headline price alone. Before selecting a quote, you should review the scope, materials, inclusions and how variations are addressed in the quote, according to Build Bay.

How to obtain a more accurate cost?

A handy approximation is to take into account:

Conditions on existing home, design, structural work, services, approvals, materials, finishes, construction.

With these considerations in mind, a builder or applicable professionals can give a more project-specific estimate.

Final Thought

The cost of expanding a house will vary from home to home. Before construction is undertaken, the best place to start is to understand the condition of your property, decide what you wish to construct and obtain a detailed project specific estimate.