Second Storey Extensions in the Blue Mountains

Expand Your Space Without Expanding Your Footprint

Second storey extension - Wentworth Falls

Take Your Home to New Heights

A second storey extension is the perfect way to increase your home’s size without using up valuable space on your block. Whether you’re looking to add bedrooms, a home office, or a second living area, Brownjohn Constructions can help you create a space that fits your lifestyle and enhances the functionality of your home.

As trusted home extension builders in the Blue Mountains and Penrith, we work with you to bring your vision to life. Whether you already have plans drawn up or need help with the design process, we’re here to make the journey seamless and stress-free.

With Brownjohn Constructions, you can expand your home while preserving its character and style—leaving you with a space you’ll be proud to call your own.

Perfectly Designed First Floor Additions

Custom design kitchen renovation

Custom Design Assistance

Work with our trusted architects to create a second storey that blends perfectly with your existing home. We’ll guide you through the entire design process, ensuring the addition matches your vision and complies with council regulations.

Build to Existing Plans

Already have plans? Our expert team will work with your designs to bring them to life. Enjoy professional craftsmanship and seamless integration of your new space.

Our Featured Projects

Why Choose Us for Your Second Storey Extension?

When you partner with Brownjohn Constructions, you’re choosing a team that prioritises your needs, comfort, and satisfaction.
Collaboration with Architects

Collaborative Design Process

Whether you have plans or need guidance, we ensure your second storey addition meets your vision and complies with regulations.

Maximise Your Block

Expand upwards without increasing your footprint, ideal for properties with limited space or council restrictions.

Enhance Your Views

Enhance Your Views

Enjoy the opportunity to capture breathtaking Blue Mountains views with your second storey addition.

Transparent Pricing

Transparent Pricing

Clear estimates and detailed cost breakdowns to keep you informed every step of the way.

Trusted Local Suppliers

Trusted Local Suppliers

Access quality materials and trade discounts through our strong supplier relationships.

Flexibility and Expertise

Exceptional Craftsmanship

We take pride in delivering high-quality results that stand the test of time.

Frequently Asked Questions

Is it better to extend up or out?
This depends on your property and goals. A second storey extension is ideal if your block has limited space or council regulations that restrict ground-level building.
In many cases, yes if it is safe to do so. We’ll assess your home’s layout and safety during the project and work with you to minimise disruption.
Absolutely. We work with trusted architects to create designs that meet your needs and complement your existing home.
Timelines vary depending on the complexity of the project, but we’ll provide a clear estimate and keep you informed throughout the build.
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