Collected Interiors

Journal

Kitchen Design Cost Perth | What to Expect in 2026

What a kitchen design costs in Perth, what construction costs on top, and how the design phase saves money during the build. Current 2026 pricing.

How Much Does a Kitchen Design Cost in Perth?

There are two different costs involved in a Perth kitchen project, and they often get confused. The first is the design fee. The second is the construction cost. This post covers both, because understanding how they relate to each other is how you avoid the most expensive kitchen renovation mistakes.

In short: a professional kitchen design fee in Perth starts from around 10 percent of the construction cost. Construction costs for a mid-range Perth kitchen renovation start from around $40,000 in 2026 (including appliances), with premium kitchens reaching $80,000 or more. The design fee is a fraction of the total project cost, and in most cases it saves more than it costs.

Why kitchen design is priced separately from construction

When you hire a builder or cabinetmaker to renovate your kitchen, their quote covers construction: demolition, plumbing, electrical, tiling, cabinetry fabrication, benchtops, and installation. What it doesn't usually cover is the thinking that needs to happen before any of that work begins.

A kitchen design fee covers the design phase. Layout, joinery design, storage planning, material and finish selections, appliance placement, lighting, and the documentation your builder and trades need to price accurately and build confidently.

These are different jobs done by different people at different stages of the project. The design happens first. The construction follows. And the quality of the construction depends heavily on how well the design phase was handled.

What a Perth kitchen design fee covers

A kitchen is one of the most complex rooms in a home. It involves cabinetry, plumbing, electrical, ventilation, lighting, storage, appliances, benchtops, splashbacks, and flooring. Every one of these needs to be resolved before construction starts, in the right order, with the right information.

A kitchen design engagement typically includes:

- Detailed layout planning, including workflow, storage zones, and appliance placement

- Custom joinery and cabinetry design with full documentation

- Material and finish selections for benchtops, splashbacks, cabinetry, flooring, and hardware

- Lighting design

- Appliance specifications

- A complete finishes schedule for your builder and trades

- Coordination with your builder and cabinetmaker

The result is a documentation package that tells your builder and trades exactly what to build, what to order, and where everything goes. No guesswork, no decisions made on the fly during construction, no expensive mid-build changes.

Design fees for a kitchen project in Perth typically start from around 10 percent of the construction cost, scaling up with the complexity of the work. A straightforward kitchen renovation will sit closer to the starting figure. Kitchens with integrated sculleries, butler's pantries, or extensive custom cabinetry sit higher. If the kitchen is part of a broader renovation, the design fee is usually included in the full home design engagement rather than quoted separately.

What kitchen construction costs in Perth in 2026

Construction costs are separate from the design fee and vary widely depending on the scope of work. Based on current Perth market pricing, here's what to expect.

Cosmetic refresh (no layout changes). New cabinet doors, new benchtops, updated splashback, possibly new appliances. Expect $8,000 to $15,000. This level of work usually doesn't require a designer.

Kitchen renovation design by Collected Interiors PerthKitchen renovation design by Collected Interiors Perth

Mid-range full renovation. New cabinetry, stone benchtops, new splashback, updated plumbing and electrical, new flooring, and new appliances. This is the most common kitchen renovation scope in Perth and typically starts from around $40,000, with most mid-range kitchens landing between $40,000 and $60,000 depending on scope and finish level.

Premium renovation with structural changes. Layout changes, custom joinery, high-specification finishes, integrated scullery or butler's pantry, premium appliances. Expect $60,000 to $100,000 or more.

A few things worth knowing about Perth specifically. Kitchen renovation costs in Perth run roughly 10 to 20 percent above the national average. This is driven by two factors: freight costs for materials shipped from the eastern states, and competition for skilled trades from the mining and resources sector. Both push prices higher than homeowners often expect.

Cabinetry is typically the largest single line item, representing 35 to 40 percent of the total construction cost. This is why the joinery design phase matters so much. Getting cabinetry wrong is expensive to fix once it's been fabricated and installed.

What drives kitchen costs up (and what keeps them down)

The biggest cost driver in a Perth kitchen renovation is scope. Moving plumbing, relocating walls, and changing the kitchen footprint all add significantly to the construction cost. One Perth builder recently noted that simply moving a sink 600mm added over $2,000 to a project.

Other factors that push costs up: premium appliance packages, natural stone benchtops (marble, granite), custom lighting, and complex cabinetry configurations.

What keeps costs manageable: keeping plumbing in the same location, choosing materials wisely (base range stone offers excellent durability at a lower price point than natural stone), and most importantly, resolving every decision in the design phase before construction begins.

This last point is where the design fee pays for itself. Variations during construction (changes made after the build has started) cost significantly more than the same decision made during the design phase. A well-resolved kitchen design reduces variations, prevents costly mistakes, and gives your builder a clear brief to price against. Clients who skip the design phase often spend more on the build than clients who invest in it, because the decisions that didn't get made properly early on become expensive problems later.

How to think about the total investment

For a mid-range Perth kitchen renovation with professional design, the total investment typically looks something like this:

Construction (including appliances): from $40,000 to $60,000

Design fee: from around 10 percent of construction cost

For a premium kitchen with complex joinery and high-specification finishes:

Construction (including appliances): $60,000 to $100,000 or more

Design fee: from around 10 percent of construction cost, scaling up with complexity

The design fee is a small percentage of the overall investment, but it's the part that determines whether the rest of the money is spent well. Every kitchen is different, and the right investment depends on the scope of work, the condition of the existing space, and the level of finish you're after. The design fee is always scoped and quoted as a fixed fee after an initial consultation, so you know exactly what you're committing to before any work begins.

If you're weighing up whether a designer is the right call for your kitchen project, this post covers when a designer is worth it and when they're not. And if you're looking at the broader picture of what interior design costs across a full renovation, we've covered that here.

If you're ready to talk about your kitchen project, book a consultation and we'll scope it properly together.