Decks and Pergolas - Done Right.

We design and construct decks, staircases and balconies that are safe, stylish and built to last. From timber finishes to modern materials, we’ll help you create a space that’s functional, durable, and fits your home perfectly.

Built For Aussie Conditions, Designed For You.

A well-built deck or balcony doesn’t just add space — it creates a whole new way to enjoy your home. Whether you need a functional staircase, an elevated outdoor area, or a ground-level entertaining zone, we design and build structures that are safe, durable, and tailored to your lifestyle.

At Build That Constructions, we take care of everything from structural framing and approvals, to stairs, handrails and finishing touches. Our experienced team uses quality materials and proven methods to deliver a finished product that not only looks great, but stands the test of time in tough Aussie conditions.

Whether you’re working with a sloped block, planning a new addition, or replacing an old deck or balcony, we’ll guide you through the process and deliver results you can count on.

decks and Balcony build oatley

Our past projects

Everything You Need,
Built Right.

Whether you’re just moved in and are looking to put your own stamp on the place, or you’ve lived there for years and it’s time for a bit of a change, we can help. Here are just a few of the most popular upgrade options services we offer.

Custom Decks

We design and build timber or composite decks that suit your block, lifestyle, and aesthetic. From low-profile platforms to elevated entertaining areas, every deck is made to last in tough Aussie conditions.

Staircases

Our staircases are custom-built for safety, durability, and a clean finish. Whether you need access from your deck to the yard or a set of stairs on a sloped block, we’ve got you covered.

Balconys

Add functional outdoor space and a better view with a custom balcony. We handle everything from framing and waterproofing to finishes and compliance.

Balustrades & Handrails

A practical finishing touch that ties it all together. We offer a range of options to suit your space while keeping your deck, balcony, or stairs safe and up to code.

Framing & Structural Work

Every solid structure starts with proper foundations. We handle all subfloor framing, supports, and structural timberwork to ensure long-term strength and performance.

Privacy Screens

Add a layer of comfort and style to your outdoor area with custom privacy screens. Perfect for blocking neighbours, wind or sun – while still looking great.

Why Choose Us For Your Build?

We don’t just build decks, stairs, and balconies — we build spaces that are safe, functional, and made to last. With years of experience and a hands-on approach, we handle every part of the process so you don’t have to chase multiple trades.

We’re experienced in working across all types of properties — from tight access sites and sloped blocks to multi-level homes and older properties needing extra care. Every build is tailored to suit the home, the block, and how you plan to use the space. Whether we’re navigating tricky levels, building elevated platforms, or matching existing finishes, our team brings practical solutions and attention to detail to every job.

From the first site visit to the final screw, we focus on clear communication, solid workmanship, and results that speak for themselves.

outdoor patio deck build oatley

Our 4 Step Process

A Simple, Streamlined, Building Experience.

From the first site visit to final clean-up, we make the entire build process smooth and stress-free. With clear communication and skilled project management, you’ll know exactly what’s happening, every step of the way.

Below is our 4-step process to bring your new project to life.

1. Initial Chat & Quote

We’ll start with a conversation about your goals, ideas, and budget. Then we’ll provide a clear, detailed quote so you know exactly what to expect.

2. Design & Planning

We work with you to finalise the layout, choose fixtures and finishes, and lock in the details. Everything’s planned before we start.

3. Build & Project Management

Our team takes care of the entire build — managing all trades, timelines, and quality control so you don’t have to lift a finger.

4. Final Touches & Handover

Once everything is complete, we’ll walk you through your new project and make sure you’re 100% happy before we wrap up.

Frequently Asked Questions.

We’ve answered some of the most common questions we get about building decks, stairs, and balconies — from timelines to materials and everything in between.

We work with a range of materials including hardwood, treated pine, and composite decking. We’ll help you choose the best fit for your home, budget, and maintenance preferences.

Yes — we have plenty of experience working with tricky sites and sloped blocks. We’ll design a solution that works with your land, not against it.

Timeframes vary depending on size and complexity, but most projects are completed within 1–3 weeks. We’ll give you a clear schedule before we begin.

It depends on the size, height, and location of the structure. We’ll guide you through what’s required and help you understand if council approval or a permit is needed, but we don’t manage the approval process directly.

Our Other Building Services.

Bathroom Renovations

Home Renovations

Decks and Pergolas

Satisfaction Guarantee.

We're not happy until your are.
Simple

One Team, Every Trade.

Full project management from start to finish.

100% Custom Builds

Built to suit your property — including sloped blocks, tricky sites, and unique layouts.

Not sure where to start? We can help.

Building projects can feel overwhelming, but that’s what we’re here for.
With years of hands-on experience across Sydney, we make the process simple, stress-free, and tailored to you. Whether you’re just starting to plan or ready to get moving, we’re always happy to chat, answer your questions, and provide a free quote.

Contact Us

Have a project in mind? Let’s chat and bring your ideas to life with expert guidance, clear communication, and quality workmanship you can count on.

Call us here

0410 533 694

Email Us Here

lachlan@buildthat.com.au

Located

1/53 Lorraine St, Peakhurst 2210

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