Is a flat roof or gable patio cheaper in WA?

A flat (skillion) roof patio is generally the most cost-effective because it uses the simplest structure and is the fastest to build. A gable patio sits in the mid cost range — you pay more for the height, extra steel and the peaked roof. Both are available factory direct from Patio & Shed Kits WA in Bellevue WA, and our patio calculator gives you an instant, site-specific estimate for either style.

Which patio is better for hot WA summers?

A gable patio is the better performer in heat. Its high peaked roof lets hot air rise and escape, so the space feels cooler and more open. A flat roof patio offers moderate airflow and works well when it is attached under the eaves with good ventilation. Both can be ordered in heat-reflective Colorbond colours; optional project engineering can be arranged if required.

Can a gable patio attach to my house like a flat roof one?

Yes. A gable patio can be attached to the home or built freestanding, though it often sits higher than a flat roof patio because of its peak. A flat roof patio is the easiest style to tuck neatly under an existing eaveline. We can arrange optional, project-specific engineering if required for your roofline, and you can preview either style on a photo of your home with our Design It On My House tool.

Which style adds more value and street appeal?

A gable patio usually makes the stronger visual statement because of its height and bold roofline, which can add more street appeal. A flat roof patio suits clean, modern homes where a low-profile, understated look is preferred. The best choice depends on your home — use Design It On My House to compare both on your own facade before you decide.

Are both flat and gable patio kits engineer certified?

Engineering and its documents are not in the standard kit price. We can arrange them as an optional extra if needed. They are not a permit and do not promise approval. Build to any project documents supplied.

Patio Style Comparison

Flat Roof vs Gable Patio

Flat vs Gable — Which Patio Style Suits Your WA Home?

Flat roof and gable are the two most popular patio styles in WA. Compare them on cost, headroom, airflow, span and street appeal — both are Colorbond and available factory direct from our Bellevue WA factory, with optional project engineering available if required.

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Width (m)

Length (m)

Design

Roofing Type

Height (m)

Traditional corrugated steel patio roofing.

From

$35 pw*

Total Price

$4,760

Incl GST

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This estimate is a guide. It uses your chosen size, design and Corrugated roofing. Standard estimates do not include optional engineering unless we say so. If needed, engineering is priced on its own in every region. Your final price also depends on colour, roofing and site needs. The weekly figure is a 36-month example. It does not confirm an available finance product or term.

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Quick Answer

A flat (skillion) roof patio is the most cost-effective choice and suits modern homes attaching neatly under the eaves. A gable patio has a high, peaked roof with excellent airflow and a premium look, making it ideal for larger entertaining areas. Both are Colorbond, supplied factory direct from Patio & Shed Kits WA in Bellevue WA. Optional project-specific engineering can be arranged if required and is not included in the standard patio kit price. Get instant pricing with our patio calculator, or browse gable attached patio prices by size.

Flat vs Gable At A Glance

Flat roof and gable patios compared by cost, headroom, airflow, span and appearance
Feature	Flat Roof Patio	Gable Patio
Relative cost	$ — lowest	$$ — mid
Roof shape	Single low slope (skillion)	High triangular peak
Headroom	Lower at the low end	High, open peaked ceiling
Airflow / heat	Moderate	Excellent — hot air rises and escapes
Best span	Small to medium areas	Medium to large entertaining areas
Appearance	Clean, modern, low-profile	Bold, premium, strong street appeal
Attaches under eaves	Yes — easily	Usually freestanding or above the roofline

Each Style Explained

Flat Roof Patio

Lowest cost

The sleek, budget-friendly all-rounder.

Pros

The most cost-effective Colorbond patio
Simple and fast to build
Low-profile look suits modern homes
Easy to attach under an existing eaveline

Trade-offs

Less headroom at the low end
More understated look

Best For

Budget-conscious builds and modern homes attaching under the eaves.

Gable Patio

Best airflow

The high, open, statement roof.

Pros

High peaked ceiling feels open and spacious
Excellent airflow for hot WA summers
Strong street appeal and a premium look
Great for big spans and entertaining

Trade-offs

Costs more than a flat roof
A larger, more prominent structure

Best For

Larger entertaining areas and hot climates where height and airflow matter.

Key Takeaways

Choose flat roof for the lowest cost, a modern low-profile look and easy under-eave attachment.
Choose gable for maximum height, the best airflow and the strongest street appeal.
Both styles are Colorbond and supplied factory direct from Bellevue WA; optional project engineering can be arranged if required.
Not sure? Preview both on your own home with Design It On My House before you buy.

Frequently Asked Questions

Plan Your Patio

Compare All Patio Styles Raised vs Flat Roof Patio Patio Cost Guide WA Colorbond Patio Options Patio Calculator (Instant Pricing)Design It On My House

Still Deciding Between Flat And Gable?

Preview both styles on a photo of your own home, get instant pricing, or talk to our WA team for a recommendation based on your home and budget.

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