
20 +
years of combined experience
1.5m +
worth of completed projects
12 +
qualified staff members
We work with homeowners across Penrith and Western Sydney who value quality workmanship, clear communication, and compliant construction.
Types of Decks We Build
Timber Decking: Timber decks that bring character to outdoor spaces, built with correct timber selection and detailing for long-term performance.
Composite Decking: Low-maintenance composite decking designed for durability, consistency, and modern outdoor living, ideal for high-use areas.
Pool Decks: Pool decks built with safety, drainage, and slip resistance in mind, designed to perform in wet and exposed conditions.
Low-level Decks: Low-profile decks constructed with correct clearances, ventilation, and materials to suit ground-level installations.
Custom Decking Designs: Custom deck layouts designed to suit your home, site conditions, and how you intend to use the space.
Each deck is designed to suit your site, intended use, and outdoor conditions, with a focus on structural integrity and finish quality.
Based in Penrith, we proudly service Glenmore Park, Jordan Springs, Cranebrook, Emu Plains, Kingswood, St Marys and surrounding Western Sydney suburbs.
WHY WOULD YOU CHOOSE US?
THE REAL QUESTION IS WHY WOULDN'T YOU
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Built to Australian Standards
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Correct Timber Treatment Levels
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Structurally Sound Framing
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Clean Finishes and Attention to Detail
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Clear Communication from Start to Finish
Built Right, Not Rushed
Decks are exposed to weather, moisture, and movement. That’s why we build with correct materials, structural detailing, and compliance front-of-mind, so your deck performs properly long term.
Step 1
You get in touch → we listen
Once you enquire, we’ll organise a free site visit at a time that suits you. We take the time to understand your goals, assess the site, and discuss design options, materials, and any structural considerations.
Step 2
No surprises. No hidden costs.
You’ll receive a detailed written quote outlining the scope of works, inclusions, exclusions, and pricing. We believe clarity upfront avoids issues later, so everything is clearly defined before work begins.
Step 3
We plan, organise, and prepare properly
Once approved, we schedule your project and organise materials, trades, and any required approvals. You’ll be kept informed of timelines and what to expect leading into site start.
Step 4
Quality workmanship, built to last
Our experienced team completes your project with a focus on structural integrity, compliance, and quality finish. We maintain clean, organised sites and keep you updated throughout construction.
Step 5
We don’t finish until you’re happy
Once complete, we walk through the project with you to ensure everything meets expectations. The site is cleaned, and your new outdoor space is ready to enjoy.

Deck Builder Western Sydney & PenrithTimber & Composite Decking Specialists
We prioritise clear communication and transparency throughout every decking project. From your first site visit to final handover, you will receive a detailed quote, expert guidance, and a smooth building experience. Every deck we build in Penrith is constructed to Australian Standards and finished with the same care we would apply to our own homes.
For homeowners seeking a high-quality deck builder in Penrith, RJ Nelson Constructions delivers durable timber and composite decking solutions designed for long-term outdoor performance. Our focus on structural integrity, safety, and attention to detail sets us apart, ensuring your deck enhances both your lifestyle and property value.
If you are ready to transform your outdoor space, contact us today to book a free site visit and receive a clear, obligation-free decking quote.








