Second Storey Extensions

A second-storey extension can add substantial living space without using more of the block. Wolki Build plans and delivers second-storey extensions across the Gold Coast, Queensland, from our base in Burleigh Heads.

Building upwards may create room for additional bedrooms, bathrooms, another living area, a study, or a parents' retreat while preserving usable yard space. The first question is whether adding another level makes sense for your existing house.

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A Practical Way to Expand Your Living Space

Adding a second-storey is a practical option for homeowners who want more space without extending outward. Many single-storey homes can be transformed with a second-storey addition that suits a growing household. This approach allows you to create extra living space while keeping outdoor areas intact. It can also help you avoid moving costs, including stamp duty and buying a new house.

A Clear Process That
Covers Every Step

We begin with an initial consultation to understand your needs and assess the existing house. This helps our building designer prepare detailed plans that consider structural capacity, site conditions, and council requirements.

Our team manages the design process, planning approval, building approval, and construction work with a clear timeline. With experience in second storey additions and house extension projects, we coordinate the building process and help manage construction costs.

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Designed for Strength, Comfort, and Efficiency

Every second storey extension requires careful planning for long-term performance. We assess soil conditions, structural capacity, and whether the existing roof, walls, or new footings need upgrades.

We also design for energy efficiency, natural light, and airflow to improve comfort. The result is a second storey home that feels solid, functional, and built to last.

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Double Storey Extensions for Modern Living

Double-story extensions allow you to upgrade a single-story home into a more functional layout. We create second floor designs that include bedrooms, living areas and flexible spaces such as a home office. This type of storey addition supports changing household needs and helps maximise usable space without increasing the building footprint.

Second Storey Additions with Purpose

Second storey additions give you the ability to separate private and shared spaces. Many homeowners use the additional storey for a master bedroom, extra bedrooms or a retreat area. This creates a clear division between living areas and quiet zones. A well-planned addition improves both comfort and function.

Compare Ground Floor and
Second Storey Options

Some projects may suit a ground-floor extension, while others benefit from adding a second storey. We assess your block size, site access, and existing structure to guide the right choice. A ground-floor extension can suit wider blocks, while an upstairs addition may work better where yard space is limited. Our building designer helps you choose a cost-effective solution for your property.

Why Choose Wolki Build for Your Second Storey Extension

Choosing the right builder is important for any major construction project. Our experienced team brings practical knowledge across double-storey and second-storey builds.

We focus on structural planning, clear communication, and quality workmanship. We manage construction costs, timelines, and site conditions to keep the project organised.

Our goal is to deliver a finished project that adds significant value and fits your daily life. You receive a professional team that coordinates the work from start to finish.

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Start Planning Your Second Storey Extension

A second-story extension can transform your current home into your dream home. We help you design added space that suits your lifestyle and improves long-term value.

Our team guides you through each step with clear advice and practical solutions. You get a home addition that feels complete and built for the way your household lives,

Our Services

Transform Your Home with Full Renovations

Custom Builds Tailored to Your Vision

Designer Bathrooms for Ultimate Relaxation

Luxury Extensions for Expanding Your Space

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Plan Both Floors Together

A second-storey extension changes more than the space above your ceiling. Creating a staircase may change the ground-floor plan. Structural work can affect existing rooms, walls, and the existing roof.

Plumbing for an upstairs bathroom may also need to connect through the level below. If part of the ground floor needs an internal renovation, the construction project may allow both areas to be planned together.

The aim is for both floors to work as one home once construction is complete.

Ready to Build Your Second Storey?

Speak with our team about your second storey extension and what is possible for your property. We will walk you through options, building approval, construction costs, and timelines. You will have a clear plan before building begins.

Frequently Asked Questions

How much does a second storey extension cost per square metre?

Costs vary based on design, site conditions, and structural requirements. Most projects are priced per square metre, with access, labour costs and complexity affecting the total. We provide clear estimates to help you plan the total project cost.

Do I need council approvals for a second storey extension?

Is my home suitable for adding a second storey?

Is a second storey extension cost-effective compared to moving?

How long does a second storey extension take?

Request A FREE Inspection

Fill In The Form Below Or Call Us Now On 1300 266 889

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