Decking Timber Grades Select vs Standard Cost
By the Timber Decking Cost Guides Editorial Team — reviewed for accuracy. Last updated November 2026. This article is for informational purposes and reflects typical market pricing; verify current details with licensed contractors before starting any project.
The select grades at $75-$100 per square metre against the standard at $45-$70 — a grade comparison where the appearance and the length mix price the difference.
This guide prices the grades: the select and the standard bands, the appearance trade-offs, and the selection guidance at the honest comparison.
Decking Timber Grades Select vs Standard Cost — At a Glance for AU
The timber-grade choice runs A$56–A$120 per square metre supplied — the grade and the length mix carrying the range. This is a realistic planning number for Australia in 2026, not a marketing low-ball.
| Line Item | Typical Range (AUD) | What Drives It |
|---|---|---|
| Select grade boards per square metre | A$94–A$120 | The clean faces at the premium |
| Standard grade boards per square metre | A$56–A$88 | The feature faces at the honest value |
| Length mix premium | A$12–A$25 | The long runs at the select batches |
| Waste factor difference | A$3.75–A$10 | The feature boards at the offcut |
| Sorting labour (DIY path) | A$0.0–A$12 | The board selection at the owner time |
Understanding Decking Timber Grades Select vs Standard Cost
The select grades running $75-$100 per square metre — the clean faces and the long lengths at the premium. The standard at $45-$70 — the feature knots and the character at the value. The appearance difference at the visible faces and the length mix honestly.
The select at the long runs — the fewer joins at the visible field pricing the premium. The standard at the feature character — the knots and the grain at the honest look. The mixed length at the standard batches pricing the extra joins; the sorting labour at the DIY path converting to the board savings honestly.
What Moves the Price Up or Down
The price moves with the grade, the species, the length mix, and the appearance priority.
| Factor | Cost Impact | Detail |
|---|---|---|
| Grade selection | +30-50% | The select against the standard |
| Species band | +20-40% | The hardwood against the pine |
| Length mix | +10-20% | The long runs at the premium |
| Appearance priority | +15-25% | The visible field at the grade |
| Waste and sorting | +5-15% | The feature boards at the offcut |

Decking Timber Grade Options
Two grades serve the deck — the select, the standard trading.
| Option | Description | Best For | Cost Level |
|---|---|---|---|
| Select grade | The clean faces and the long lengths | The presentation decks | $75-$100 per m2 |
| Standard grade | The feature knots and the character | The family decks | $45-$70 per m2 |
| Mixed approach | The select field over the standard frame-adjacent | The budget presentation | The blended band |
The select serving the presentation — the standard serving the family value at the honest character.
Three Realistic Project Scenarios
The presentation select build — A$8,590–A$12,500
A 25 square metre select-grade merbau deck.
- Select boards — A$2,340–A$3,120
- Frame and labour — A$6,250–A$9,380
Why this matters: The presentation path serves the look — the 25 m2 at the $8,400 total with the clean faces priced.
The family standard build — A$7,030–A$10,310
A 25 square metre standard-grade deck.
- Standard boards — A$1,410–A$2,190
- Frame and labour — A$5,620–A$8,120
Why this matters: The family path serves the value — the 25 m2 at the $7,000 total with the feature character honestly.
The blended path — A$7,750–A$11,500
The select field over the standard perimeter.
- Mixed boards — A$1,880–A$2,660
- Frame and labour — A$5,880–A$8,840
Why this matters: The blended path serves the budget presentation — the visible field at the select and the hidden at the standard.
The scenarios share the frame and the labour — the grade premium and the appearance separating the totals.
Sample Budget Breakdown
The table below shows how a typical mid-range budget for decking timber grades select vs standard cost distributes across materials, labor and compliance in Australia. Adjust the percentages to your own scope before using it as a savings target.
| Category | Estimated Amount | Explanation | Optimization Tip |
|---|---|---|---|
| Boards supplied | A$1,410–A$3,120 | The grade at the band | The single batch |
| Frame and licensed labour | A$5,620–A$9,380 | The install scope | The licensed builder |
| First oil coat | A$160–A$310 | The handover surface | The grade-neutral cycle |
| Contingency | A$250–A$620 | The feature offcuts | The waste at the grade |
Every figure above is an indicative 2026 market range. Final quotes move with site conditions, contractor availability and the exact specification you lock in.
From Quote to Completion: the Typical Timeline
Most decking timber grades select vs standard cost projects follow the same five-stage rhythm. Knowing the calendar before you sign prevents the two classic frustrations — feeling rushed into a deposit, and being surprised by a mid-project gap while materials arrive.
- Frame and board install — 1-2 weeks typical
- Final oil coat and handover — 2-4 weeks after install
- Design and quoting — 2-4 weeks
- Timber delivery and acclimatisation — 1-2 weeks
- Frame and board install — 1-2 weeks typical

Smart Ways to Control the Budget
Cost control on decking timber grades select vs standard cost is mostly about scope discipline and timing. These are the strategies that consistently deliver the largest savings:
Match the fixing to the board width
The secret-fixed 90mm boards at the hidden fasteners pricing the clean surface; the top-screwed 140mm boards at the visible fixings serving the budget. The fixing method priced against the aesthetic priority honestly.
Advantages:
- Directly reduces the controllable parts of the quote
- No impact on quality or compliance when scoped correctly
Disadvantages:
- The fixing decision before the board order.
- Requires planning lead-time you may not have on urgent timelines
Price the species by the lifespan, not the sticker
Merbau at $55-90 per square metre supplied against the treated pine at $25-40 — the 25-year hardwood lifespan against the 10-15 year pine cycle. The total ownership math pricing the honest comparison over the decades, not the build day.
Advantages:
- Directly reduces the controllable parts of the quote
- No impact on quality or compliance when scoped correctly
Disadvantages:
- Requires the decades framing at the timber yard.
- Requires planning lead-time you may not have on urgent timelines
Buy boards in the one moisture-stabilised batch
The single-batch supply at the consistent moisture content pricing the even gaps — the mixed batches shrinking unevenly and producing the irregular spacing. The batch number recorded at the delivery docket.
Advantages:
- Directly reduces the controllable parts of the quote
- No impact on quality or compliance when scoped correctly
Disadvantages:
- Takes the full-quantity order at the one delivery.
- Requires planning lead-time you may not have on urgent timelines
Price the frame separately from the boards
The H3 treated pine frame at $15-25 per square metre against the hardwood subframe at $40-70 — the pine frame at the code-approved path under the merbau surface. The frame spec quoted line by line, never bundled.
Advantages:
- Directly reduces the controllable parts of the quote
- No impact on quality or compliance when scoped correctly
Disadvantages:
- The frame and the boards priced as separate lines at the quote.
- Requires planning lead-time you may not have on urgent timelines
Permits, Rules and Safety
Both grades at the same permit path — the structure at the review. The grade at the appearance scope, not the code.
- (‘Setback and boundary review’, ‘$0-150’, ‘The boundary clearances at the site plan — the attached structures at the easement and the setback rules.’, ‘The site plan checked at the quoting stage.’)
- (‘Deck permit’, ‘$100-400 typical in AU councils’, ‘The structural review at the footings, the frame, and the balustrade code — the over-1-metre heights and the pool zones always at the permit scope.’, ‘The unpermitted deck pricing the resale disclosure.’)
- (‘Pool zone compliance check’, ‘$0-250’, ‘The pool-adjacent decks at the CPRC non-climbable zone review — the barrier code at the pool vicinity scope.’, ‘Applies at every deck within the pool zone.’)
Maintenance and Long-Term Ownership Costs
The project price is only the first line of the budget. These recurring items are what owners in Australia actually spend money on after the crews leave:
| Task | Frequency | Typical Cost | Why It Matters |
|---|---|---|---|
| Fastener and joist check | Yearly | $0-150 | The screws and the hangers at the movement cycle — the structural issues caught at the walk. |
| Inspection walk | Yearly | $0-250 | The structure, the fasteners, and the gaps walked at the season — the issues caught at the early stage. |
| Deck wash | Yearly | $100-300 | The surface grime and the mildew at the gentle wash — the coating adhesion protected at the clean surface. |
| Deck oil | Every 12-18 months | $4-8/sq m | The timber hydrated at the oiling cycle — the neglect pricing the grey restoration at the multiple of the maintenance. |
The oiling cycle at the same surface scope — the grade-neutral maintenance. The standard at the feature checks at the knots honestly.
Frequently Asked Questions
What is select grade decking?
The clean faces and the long lengths at the premium — the minimal feature at the visible field. The presentation builds at the honest premium.
Is standard grade decking good quality?
The standard at the structural quality and the feature character — the knots and the grain at the honest value. The family decks served well.
How much cheaper is standard grade decking?
The standard at $45-$70 against the select at $75-$100 — the 30-40% saving at the appearance trade-off honestly.
Can I mix grades on one deck?
The select field over the standard hidden — the blended path serving the budget presentation. The transition boards at the layout honestly.
Does grade affect deck lifespan?
The same species durability at both grades — the lifespan at the maintenance, not the appearance. The feature knots at the honest monitoring.
Summary
Planning decking timber grades select vs standard cost in Australia starts with an honest range — A$56–A$120 for the scenarios most households actually install — then works backwards through the grade that sets the appearance, the length mix that prices the runs, and the character that carries the decision.
The select serving the presentation — the standard serving the family value at the honest blend. Collect at least three itemised quotes, confirm the permit path before signing, and hold a 10–15% contingency for site surprises. Those three habits protect more budget than any product choice.