Second Storey Extensions Sydney
Renovation Masters is your trusted second-storey extension builder in Sydney for a stress-free extension with strata/council approvals sorted.
Second Storey Additions Designed for Your Lifestyle
Running out of space, but don’t want to move? A second-storey extension could be the answer. With our expert team of Sydney builders, you can double your living space, design new bedrooms, and open up your home to fresh possibilities, all without sacrificing your outdoor area.
From design and planning to approvals and construction, Renovation Masters delivers second-storey extensions that are practical, stylish, and built to last.
Sydney’s Trusted Builders for Renovations that Last
Risk-free Renovations
We’re committed to delivering results you’ll love, every single time. With honest pricing upfront to experienced professionals, we have it all.
No Hidden Costs
At Renovation Masters, all costs are discussed upfront, giving you a predictable pricing structure for your project.
Accredited & Licensed
Our experienced builders are fully licensed and accredited to give you the best home renovation experience.
Workmanship Warranty
We offer a 10-year workmanship warranty on renovations; our specialists do the best quality work.
Compliance & Protection
Along with accreditation and insurance, we also have Public Liability and HBCF (Home Builders Compensation Fund).
Free Fast Quote
Request your free quote today, no obligations, no delays, just everything you need to plan your renovation.
Structural and Engineering Checks for Safe Second Storey Extensions
A second storey extension isn’t just about adding rooms, it’s about making sure your home is structurally prepared to support the change. At Renovation Masters, every home renovation project begins with a full structural and engineering assessment of your property. We check foundations, walls, and framing, and reinforce where needed so your new level is built safely and strongly.
Because many Sydney homes sit on reactive clay soils, we also arrange geotechnical testing to confirm stability and prevent issues like settlement or movement in the future. Our engineers make sure the extension ties in directly with your existing structure, from precise roof removal to weatherproof connections that last.
All designs and calculations comply with the NSW Building Code, covering structural integrity, fire safety, and access requirements. With this groundwork in place, you can feel confident your 2nd storey additions won’t just look stunning but will also be safe, secure, and built to last.
We got you covered
Our Stress-Free Approach to Second Storey Extensions
Honest Discussions
We begin with real conversations about your lifestyle, space needs, and budget. This is where ideas take shape and our designers help you visualise how a second storey can transform your home.
Strata/Council Approvals
Council and strata rules can slow down projects if not handled right. We take care of all paperwork, compliance checks, and approvals so your extension gets the green light without delays.
Second Floor Extensions Built to Last
Once approvals are sorted, our licensed builders bring your 2nd storey to life. Every detail, from structure to finishes, is completed with care, ensuring your new level is safe, stylish, and strong.
Why Build a Second Storey?
A second storey extension does more than add space; it reshapes how you live. From extra rooms to lasting value, here’s why building up is the smarter choice for Sydney homes.
More Family Space
Expand your home with extra bedrooms, larger living areas, or even a private retreat. A second storey extension gives your family the room it needs without the stress of relocating.
Keep Your Backyard
Building up means you don’t sacrifice your outdoor lifestyle. Enjoy a larger home while keeping your backyard, garden, and entertainment areas intact for kids, pets, and weekend gatherings.
Increase Property Value
A second storey addition is one of the smartest property upgrades you can make. It not only creates functional space but also adds significant long-term value to your Sydney home.
Customised Home Design
Every family lives differently, so we design your second storey extension to match your lifestyle. From open-plan layouts to private retreats, your new level will feel complete.
Designed to Blend In
Your new extension should feel like it has always been part of your home. We carefully match rooflines, finishes, and materials so your second storey looks seamless and natural.
Built to Last
With premium materials and licensed builders, your new second storey is designed to stand strong. We ensure it blends seamlessly with your existing home and lasts for decades.
Why Choose Our Second Storey Renovation Services?
We’ve built our reputation as trusted second-storey extension builders in Sydney. At Renovation Masters, our focus is on quality workmanship, honest advice, and building homes that work for modern families.
Here’s what we offer:
- Free Initial Consultation: Book a 30-minute consultation with our extension specialists, obligation-free.
- Fully Licensed & Insured: All work complies with NSW building codes and safety standards.
- Strata & Council Approval: Our team takes care of all the approvals you will need for a second storey extension.
- Clear Communication & Updates: Weekly check-ins and progress updates at every major stage.
- Fixed Price Quotes: Once the scope is finalised, your price is locked in. Average projects range from $150K–$400K, depending on scope.
- Sydney-Wide Service: Over 1500+ successful renovations completed across Sydney suburbs, including the North Shore, Inner West, and Northern Beaches.
- 10-Year Workmanship Warranty: Final handover of your house comes with a 10-Year Workmanship warranty.
Ensuring Excellence & Safety in Second Storey Extensions
Adding a second floor to your home extension comes with extra challenges like heritage restrictions, structural engineering, and strata or council approvals. Renovation Masters takes care of the details so you can enjoy the transformation without the stress. From temporary relocation planning to protecting your existing structure, we make second-storey additions safe, efficient, and value-packed.
Explore our gallery
Take a look at our second-storey additions. Smart extensions that blend in and stand out.
What Our Satisfied Clients are Saying
How much does a second storey extension cost in Sydney?
Costs vary based on design and finishes, but most second storey extensions in Sydney range between $150,000 and $400,000. Renovation Masters provides fixed-price quotes with no hidden extras.
Do I need council approval for a second storey extension?
Yes, most second storey additions require council or private certifier approval. Our team handles all documentation and ensures your extension complies with local building codes.
How long does a second storey extension take?
On average, second storey extensions take 16–24 weeks, depending on complexity, approvals, and weather.
Will I need to move out during construction?
Sometimes, depending on the scope of work. In many cases, families can stay in the home during construction, but larger builds may require temporary relocation.
Can you match the new extension with my existing home?
Absolutely. Our designers ensure your second floor blends seamlessly with your current roofline, materials, and overall look.
Why choose Renovation Masters for second storey extensions in Sydney?
We’re licensed, insured, and experienced builders with a strong record of successful second storey projects. From design to handover, we manage every stage with care and precision.