You're sitting at the kitchen table with three quotes in front of you.
The first is $11,400. Hand-written, faxed-feeling, line items that read like a shopping list — boards, subframe, labour, bench seat, permit. Total at the bottom, GST extra. The builder has been around forever. Your mate said he did good work years ago. He'll start in three weeks.
The second is $14,000. Branded letterhead, broken into stages, includes a small mention of a warranty. The builder turned up on time. He measured up, was friendly, gave you a number two days later. Said he could fit you in around July.
The third is $19,500. Designer-drawn plans came back the next morning. A 3D render of your space with the deck in it. A breakdown of substructure, materials, design, and aftercare — including something called Deckcare with a 12-month follow-up oil. The builder spent forty minutes on a video call walking you through three subframe options before pricing anything. He could start in six weeks.
You're staring at three pieces of paper. You're $8,000 apart from one end to the other. They're all telling you they'll build the same deck.
They're not.
The comment that explained the whole thing
A few weeks ago we put a real number out publicly — $17,000 for a 22m² composite deck, complete with a built-in bench and the substructure prepped to a 20-year standard. Posted it as a reel. Stood by the price.
Watch on Instagram: The original reel and comment thread — watch it here
The comments turned into a small civil war. One side furious. The other side defending. Instagram's own algorithm sorted them into two camps within hours: Cost Shock and Price Defense. That's the cleanest summary you'll get of what was happening.
Cost Shock had a spokesman, in effect. He took the deck apart in seven lines:
Boards $100 × 22m² = $2,200. Subframe $60 × 22m² = $1,300. Labour $200 × 22m² = $4,400. Bench seating $500 × 5m = $2,500. Permit $2K (maybe). TOTAL $10.6K. Where's the other $7K going?
Read that breakdown back slowly. It's a fair question. He hasn't lied. He hasn't insulted anyone. He's done what every chippie in Perth does on the back of a Bunnings receipt before he writes you a quote — added up the inputs, tacked on a labour rate, and called it a deck.
If that breakdown made sense to you, hold onto it. Because it's exactly what's underneath that $11,400 quote you're holding.
The defenders, who were also right
The other camp was mostly other operators — builders running businesses with crews, vehicles, designers, warranties, BAS bills, leave entitlements, ad spend, and aftercare programs. One of them was blunt: $770 a square metre? I need to up my prices. Another said established premium operators target 40–50% margin even on $150K projects. Another simply: people baulking at the price haven't checked board prices recently.
These weren't fans defending their mate. Most don't know me. They were defending the maths — because the maths was sound, and most of the trade has been undercharging for years and is starting to realise it.
So who was right? Both. They were just answering different questions.
The four questions every quote secretly answers
The thing nobody tells you about decking quotes is that the price isn't really about the deck. The price is about the question the builder is trying to answer.
Three quotes for your deck means three different questions, three different answers, three different versions of the same project.
The cost question. What's the lowest defensible price I can build a deck for? Lean inputs, lean overhead, lean margin. The bloke from the comments. The $11,400 quote on your table. There are good Perth operators running this model — especially for landlords, flippers, and people genuinely indifferent to whether the deck holds up in year ten. It's a real product for a real buyer.
The aesthetic question. What's a fair-looking deck at a fair price? Mid-tier overhead, decent margin, fair work. The $14,000 in the middle. A deck that looks right on day one and probably holds up okay if nothing unusual happens. Right answer for a renovation where the deck is part of a larger project and not the part you're losing sleep over.
The longevity question. What does it take to build a deck that's still tight in fifteen years? Substructure spec above code. H4 bearers where most builders use H3. Joist tape on every bearer. Marine-grade fixings. Water management thought through before the boards go on. Treatment levels that don't compromise. The kind of work that doesn't show up in photos and doesn't show up on day one — only in year eight when the same boards on the neighbour's deck have started to lift.
The relationship question. Who builds it, who looks after it, who do I call when something goes wrong? The video presentation before the quote. The 3D render. The 24-hour quote turnaround. The first-year follow-up oil already in the price. The text message in year two when a board splits and someone you trust comes to look at it the same week.
That's the $19,500 quote. It's solving for two questions at once — will this deck still be tight in 2041, and is the builder still going to be around to look after it?
You can see now why the three quotes look the way they do. They're not pricing the same deck. They're pricing the answer to whichever question they're actually asking.
The question almost no homeowner asks
Try this. Picture your deck five years from now.
A board has split. Maybe one of the bearers is showing signs of stress. There's a creak you didn't notice last summer. It's not catastrophic — it's the normal, slow drift that happens to outdoor structures.
Now picture making the call.
You scroll through your phone for the builder's number. You ring it. Does someone pick up? Do they remember your build? Do they have your specs on file? Can they come this week? Will they replace the board, or will they tell you they're booked out for three months and refer you to a handyman they vaguely know?
That's the question almost no homeowner asks before signing the quote — and it's the one that determines what the deck actually costs you.
The $11,400 deck and the $19,500 deck aren't $8,000 apart. They're $8,000 apart plus the cost of every interaction with the builder for the next ten years. If the cheap deck needs significant repair at year seven, you're already at $14,000 with seven years of life behind you. If it needs partial replacement at year ten, you're at $20,000 with no warranty, no relationship, and the same kind of trade-off to make again.
The premium deck has cost you $19,500 once. The builder still answers the phone. There's a 12-month follow-up booked in. If a board splits, someone replaces it.
Same numbers. Completely different shape over time.
So how do you actually choose?
Don't pick the middle quote because it feels safe. The middle is the average of three different answers — which is rarely the right answer to your specific question.
Decide what you're optimising for first. Be honest with yourself. If you're flipping the property in eighteen months, the cheap quote is genuinely the right answer and you're done. If you're building this for the next twenty summers in the home you've already spent five years renovating, the cheap quote is the most expensive deck on the table and you don't know it yet.
Then test the builders, not the quotes.
Read the reviews — not the five-star highlights, the three-star ones where you can see how they handle problems. Ask each one to walk you through their substructure. Ask them what happens at year two if something goes wrong. Ask them how they'd feel about you ringing them in five years for advice. Notice who answers crisply, who hedges, who looks slightly uncomfortable.
The number on the quote is the easy part. The method underneath it — and the relationship around it — is what you're actually buying.
The honest close
We're not the cheapest decking builder in Perth. We won't ever try to be. We optimise for the deck still being tight in year fifteen, for the relationship continuing through Deckcare, and for the build standard not bending on a single job. That's the question we're answering. It's why our quotes look the way they do.
That's not the right answer for everyone. The cost-optimised builders in Perth do good work for the buyers they're built for. Find one with reviews you trust and methods you've tested, and you'll get a fair deck at a fair price.
But if you're looking at three quotes on the kitchen table and the gap between them feels confusing — that's the signal. The gap isn't a markup. It's a difference in the question being answered.
Three quotes, three methods. Pick the method first.
The right number follows.
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