Home Extensions Gymea

If you’re looking for home extensions Gymea homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Gymea, Miranda, Kirrawee and all neighbouring suburbs across the Sutherland Shire area.

10+ years experience guarantee

10 years guarantee

100% customer satisfaction

Get A Free Quote Now!

🔥 June Special! Free site inspection + council feasibility check included. Limited to 3 jobs this month. Call 1300 098 730

IS YOUR HOME READY FOR AN EXTENSION?

Monstructions specialises in home extensions Gymea, expertly designing and building additions that suit the homes and families throughout the Sutherland Shire area. We’re proud to serve homeowners throughout Gymea, Sutherland and Cronulla and surrounds with our licensed team managing everything from initial design through to final handover.

Fully licensed general contracting

Quality Workmanship

Over a decade of renovation experience across Sydney

Home Extensions Gymea
Built For The Way You Live

Gymea features predominantly brick and weatherboard homes built from the 1960s through to the 1990s, sitting on decent sized blocks that often stretch back from the street. Most properties have good bones but modest room sizes and layouts that no longer work for modern family life. The combination of established gardens, solid foundations and generous land size makes these homes perfect candidates for extension rather than demolition.

We’ve completed dozens of extensions across Gymea and neighbouring suburbs like Miranda and Caringbah, working with the typical post war and 70s housing stock common throughout the area. Our team knows how to work with existing brick structures, navigate the slope that many Gymea blocks sit on, and design additions that respect the established streetscape. Every project is managed by our licensed builders from concept right through to completion.

Gymea families love the schools, the village feel along Gymea Bay Road, and the quick run to both the beach and the train station. Rather than uprooting to find more space, most homeowners we work with choose to extend their existing home and stay in the community they know. A well designed extension not only gives you the space you need today but adds serious value to your property in a tightly held suburb where buyers pay a premium for modernised family homes.

Our Home Extension Services

Whether you need a single room addition or a full second storey, our licensed team delivers quality extensions on time and within budget.

Ground Floor Extensions

Expand your living space with a ground floor addition tailored to your block and lifestyle.

Second Storey Additions

Add a full second storey to your home and double your living space without moving.

Rear & Side Extensions

Maximise your block with a rear or side extension designed to suit your existing home.

DA & CDC Approval Managed

We handle the full council approval process so you don’t have to deal with the paperwork.

Benefits of a Home Extension

Extending your home is one of the best investments you can make as a Sydney homeowner.

Significant Property Value Increase

A well-built extension adds substantial value to your property at resale

Stay in Your Suburb

Extend instead of moving and keep the location, school zone and community you love

More Space for Your Family

Get the extra bedroom, living area or open plan space your family actually needs

Cheaper Than Buying

In most Sydney suburbs, extending costs far less than buying a larger home

Get Started with Monstructions Today!

Ready to extend your home and create the space your family needs? Contact us today for a free quote and let our home extension specialists bring your vision to life.

Our Extension Process

Initial Consultation

Free consultation to discuss your extension ideas, block constraints and budget.

Design and DA Approval

We design your extension and manage the full council approval process on your behalf.

Site Preparation

Full site preparation, structural work and foundation ready for building.

Construction

Licensed builders construct your extension to the highest standard with all trades managed.

Final Handover

Full inspection and walkthrough before handover to ensure everything is built to specification.

How Much Does a Home Extension Cost in Gymea?

Every extension is different. Click the button below to hear back from us within 2 hours!

Why Gymea Homeowners Choose Us For Their Extension?

As home extension specialists across Sydney, we manage everything from design and approvals through to construction and handover.

10+ Years of Extension Experience

Our team has delivered ground floor extensions, second storeys and full home additions across Sydney.

We Manage the Full Process

From DA approval to final handover, we handle every step so you don’t have to.

Trusted by Sydney Homeowners

Homeowners across Sydney trust Monstructions to deliver their extension on time and to budget.

Licensed and Fully Insured

Every extension is built by licensed professionals with full insurance and a fixed price contract.

Don't Take Our Word For It

"I contacted Monstructions to get an idea of a price for doing an extension on my home. Of course I contacted many other people but they were the only ones who came back to me and assisted in giving me an idea of the price. I was so grateful. I wouldn't hesitate in recommending this company as we couldn't be more happy with the team, thank you for your help and support."

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Amanda

Cronulla

"We had a plan of what we wanted with our 2nd story + granny flat addition, but also had a budget to meet..the Monstructions team worked hard to make that happen for us. With a few little hiccups along the way from weather delays, the boys kept the job moving as smoothly as possible and the team were amazing in keeping mess to a minimum. Allowing us to stay at home during the reno. 100% highly recommended!"

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Angela

Miranda

"Fantastic! Monstructions did an amazing job on my home extension, all the boys that worked on my house were professional and polite, and their quality of work was second to none. From drawings to completion it was a breeze working with them. They were easy to work with and extremely efficient and professional. Thank you for all the hard work and effort, I will recommend you to everyone I know."

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David

Gymea

Products we use

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FAQS

Got a question?

How much does a home extension cost in Gymea?

A single room addition in Gymea typically starts from $80,000, while a full ground floor extension begins around $150,000 depending on size and finishes. Second storey additions generally start from $250,000 including structural work and stairs. We provide a free quote after assessing your property and understanding exactly what you need.

How long does a home extension take in Gymea?

Most home extensions in Gymea take between 3 to 6 months from council approval through to final handover. The timeline depends on the size and complexity of your project, weather conditions, and how quickly materials arrive. We provide a detailed schedule at the start so you know exactly what to expect at every stage.

Do I need council approval for a home extension in Gymea?

Most extensions in Gymea require either a Development Application or Complying Development Certificate through Sutherland Shire Council. The approval pathway depends on your extension size, setbacks and site constraints. Our team manages the entire approval process including plans, documentation and council liaison so you don’t have to navigate it yourself.

Can you extend on a sloping block in Gymea?

Absolutely. Many Gymea properties have a slope either front to back or side to side, and we’ve worked with dozens of these sites across the Shire. The key is proper engineering, footings designed for the site conditions, and smart design that works with the land rather than fighting it. We assess your specific block during the initial consultation and design accordingly.

Do you service Gymea and surrounding suburbs?

Yes we service Gymea and all surrounding suburbs. Call 1300 098 730 to discuss your project.

Monstructions provides home extensions across Sutherland Shire, including Gundamaian, Gymea Bay and all surrounding suburbs.