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Home builders in Alkimos

City of Wanneroo · Wanneroo Local Planning Scheme No. 2 · Wanneroo & Perth North Coast Greenfield · house and land

Council
City of Wanneroo
Planning scheme
Wanneroo Local Planning Scheme No. 2
Residential zones mapped
Residential
Urban development
Bushfire-prone land
Mapped in this suburb
Urban growth area
Yes
R-Code density
R10 to R100

Planning data from Landgate SLIP (CC BY 4.0), read 2026-09-14. Suburb-level, not a report on your block — check your address on the WA planning scheme maps.

Builders serving Alkimos

None yet — tell us what you're building and we'll go and find one.

What building in Alkimos actually involves

Alkimos is coded from R10 to R100 under the Residential Design Codes — the widest density range of any suburb we have mapped in Western Australia. R10 is about a thousand square metres per dwelling; R100 is apartment density. Both are mapped inside one 17 km² coastal suburb.

Eight structure plans decide your lot, not the zone

Alkimos carries eight endorsed structure plans, including the Alkimos City Centre Activity Centre Plan and several coastal village plans. In Western Australia the structure plan that covers your lot sets its density, lot layout and staging — the scheme zone alone tells you very little.

The R-Code is the number that matters

An R-Code sets dwellings per hectare and with it the minimum and average lot size, the setbacks and the open space requirement. A design that works at R30 does not simply shrink to fit R60. Confirm the code at the address before you commission anything.

Bushfire, on the coast

Part of Alkimos is inside a designated Bush Fire Prone Area. That is coastal heath rather than forest, and it still triggers a Bushfire Attack Level assessment, which drives construction materials and cost.

What to ask a builder

Ask which structure plan covers the lot and which R-Code applies. Ask whether the price assumes a BAL rating and which. And ask what corrosion category the fixings are specified to — this is a coastal suburb and the exposure is real.

Local landmarks in Alkimos

Named plans that apply in Alkimos

Structure plans covering land here, as the authority names them. Which one governs your lot decides its density, layout and staging — check the address before you assume the zone alone sets the rules.

Source: catalogue.data.wa.gov.au/dataset/local-planning-schemes, read 2026-09-14.

Questions about building in Alkimos

What R-Code applies in Alkimos?

Codes from R10 to R100 are mapped across the suburb. The code at your lot sets the minimum and average lot size, the setbacks and the open space requirement, so it has to be confirmed at the address.

What is a structure plan and why does it matter?

In WA an endorsed structure plan sets the density, lot layout and staging for the land it covers. Alkimos has eight. The plan over your lot governs more of the outcome than the scheme zone does.

Is Alkimos bushfire-prone?

Part of the suburb is inside a designated Bush Fire Prone Area. A block inside one needs a Bushfire Attack Level assessment, and the rating drives materials and cost — coastal heath counts.

Does building near the coast cost more here?

The durability specification changes. Fixings, fasteners, balustrades and window hardware are set by exposure category. Ask which category the quote used rather than comparing headline prices.

Why is the density range so wide?

Alkimos is a planned coastal growth suburb with a designated city centre. R10 acreage-scale lots and R100 apartment land both sit inside it, which is why two Alkimos quotes can be for completely different products.

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