Second Storey Extension your Ultimate Guide

Two story house renovation raise and build with added carport

Planning a Second Storey Extension?

Adding a second-storey house extension to your home can give you more  space, enhance its value and elevate your lifestyle— all while remaining cost-effective by sidestepping the expenses linked with relocating to a new suburb

Whether you’re considering a renovation project to expand your floor plan or dreaming of a home with ample space both upstairs and downstairs, this blog is tailored to meet your needs. We’ll delve into the intricacies of planning a second-storey extension, providing you with expert advice on technical details, project costs, and everything in between.

We’ll be sharing with you invaluable tips and insights to ensure you’re well-prepared and informed before taking the next steps towards transforming your home. 

Oxley Resilient Homes Fund Lift
Aloomba outside

Maximising Space and Value: The Appeal of Second Storey Extensions

Second storey additions involve raising your existing home and building a new level underneath, allowing you to maximise your living space without sacrificing your garden or outdoor area.

These types of house extensions are gaining popularity as they negate the need to buy a new home for additional space while  significantly increasing property value and improving daily living standards.

With such a project, you can maintain your living spaces of your existing home and outdoor space while creating a whole newly built level with additional  bedrooms, living area and bathrooms to accommodate your growing family.

Adding a second storey extension to your home provides you with a blank canvas to design and customise a completely new level according to your preferences and needs. With careful planning and attention to design, a second storey extension can seamlessly integrate into your existing home while enhancing its overall aesthetic appeal and functionality. Whether you’re looking to accommodate a growing family or simply want to elevate your living space, a well-designed second storey extension can truly transform your home into your dream haven.

Moving forward from second-storey extensions,

Here’s our step-by-step process for bringing your second-storey extension project to fruition:

  1. Initial Consultation with Stark Builders. Upon selecting our services, we’ll kickstart the process with an on-site consultation. During this meeting, we’ll visit your property to discuss the optimal design for your second-floor plan. Our goal is to collaborate closely with you, ensuring the layout maximizes your living space, enhances your quality of life, and transforms the new floor into a functional and visually appealing living area.
  2. Plan Approval and Permit Acquisition. Once the plans are finalized, we’ll proceed to obtain the necessary permits and permissions from the local council for your second storey extension. This step also involves estimating the project costs. While most second storey extensions may not require planning permission, it’s essential to consider any potential height restrictions or council requirements early in the process.
  3. Construction Oversight by Stark Builders. Throughout the entirety of your second storey extension project, we’ll provide comprehensive management and oversight. From mobilizing our team on-site to ongoing maintenance and inspections, we’ll ensure that every aspect aligns with the plan and progresses smoothly.

Creative ideas for adding a Second storey to your home

Choosing a second-storey extension can be an excellent decision for many families, providing the chance to expand the living area on the new lower level while simultaneously increasing the overall value of your home.

Here are some creative ideas to consider for your second storey extension:

Enhance your Master Bedroom

Creating a bedroom for relaxation and rejuvenation is essential for everyone. Designing your own personalised master suite could be the perfect strategy when contemplating your second storey extension.

Whether you’re looking to enlarge your current bedroom or integrate extra wardrobe space and an ensuite, there are countless possibilities to explore.

Incorporate an Extra Office or Rumpus Room

A second storey extension offers an opportunity to incorporate specialised rooms that cater to you and your family’s needs.

Common choices include a home office for those requiring additional workspace, particularly those who work remotely and require extra room. Alternatively, you might opt for a rumpus/playroom, providing a dedicated space to store your children’s toys and prevent clutter from accumulating in their bedrooms.

Integrating Additional Bathrooms or Bedrooms

Expanding your two-storey extension with an extra bedroom or bathroom adds functionality and comfort. Whether accommodating a growing family or enhancing convenience, this addition transforms your home.

Ultimately, these additions not only increase practicality but also enrich your quality of life.

Second Storey Extension
home office with bookshelf and neutral tones
Bathroom with rain shower head and unique curved mirror

What's the Cost of a Second-Storey Extension?

In Brisbane, the typical cost for a second-storey extension ranges from $3,000 to $4,000 per square metre. However, the final expense varies based on the project’s size and complexity.

Every home extension project faces the same fundamental expenses, including materials, labour, and construction costs—these expenses constitute the essential costs of all renovation work that are unavoidable for any project.

Several factors can influence project costs. For instance, if plumbing and wiring require extensive reworking, expect an increase in overall cost of your project. Similarly, repainting and reworking your existing house can substantially increase your build cost. 

Labor costs, which are often underestimated, can have a substantial impact on the budget. It’s essential to invest in skilled professionals such as builders, architects, and plumbers to ensure the success of your project.

We suggest setting aside an additional 20-25% as a contingency for unforeseen expenses. Collaborating with experienced architects and developers can help minimise unexpected costs and ensure that your budget meets your needs. Don’t hesitate to contact us for assistance with pricing and project specifications.

two-story Hampton-style residence featuring glass panel doors and a patio area

Benefits of Adding a Second Storey Extension

  1. Increased Space: A second storey provides additional living space without expanding the footprint of your home, allowing you to accommodate a growing family or create dedicated areas for specific activities.
  2. Enhanced Value: The addition of a second storey typically increases the value of your property, making it a sound investment for the future.
  3. Improved Functionality: With more space comes greater flexibility in how you use your home. You can create separate zones for living, sleeping, working, and recreation, enhancing the functionality of your living environment.
  4. Preservation of Outdoor Space: Unlike ground-level extensions, a second storey allows you to expand vertically, preserving outdoor areas such as gardens and yards.
  5. Cost-Effectiveness: In many cases, adding a second storey can be more cost-effective than moving to a larger home or building a ground-level extension, especially considering factors like land prices and construction costs.
  6. Aesthetic Appeal: A well-designed second storey can enhance the overall appearance of your home, adding architectural interest and curb appeal.

Overall, adding a second storey can significantly improve your quality of life by providing more space, increasing functionality, and adding value to your property.

Crafting Your Second Storey Extension Floor Plan

A second storey extension floor plan encompasses the layout and design of the additional level being added to your home. This detailed blueprint outlines the arrangement of rooms, the flow of space, and the allocation of square footage.

Key considerations in elaborating a second storey extension floor plan include maximising natural light, optimising room functionality, and ensuring structural integrity. For instance, bedrooms may be strategically placed to take advantage of views or privacy, while communal areas like living rooms and kitchens are often designed for open-concept living.

Additionally, the floor plan should account for essential features such as staircases, bathrooms, and storage areas. Attention to detail is crucial in ensuring that the extension seamlessly integrates with the existing structure and meets the specific needs and preferences of the homeowner.

Collaborating with experienced builders, architects or designers can help in refining the floor plan to achieve both aesthetic appeal and practical functionality. By carefully elaborating on every aspect of the second storey extension floor plan, homeowners can create a space that not only enhances their living experience but also adds value to their property.

Sample swatches for design purposes of a house renovation
Building plans of house renovation
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