WA · Wanneroo & Perth North Coast
Home builders in Alexander Heights
A builder’s licence is permission to trade. It is not a solvency test. 2,361 construction companies entered external administration last financial year, more than any other industry in the country — and no regulator checks whether the one quoting your Alexander Heights job can still pay its framer on Friday. We run the Four-Point Builder Check™: licence with Building and Energy WA, insurance sighted, still trading, and genuinely working in Alexander Heights. Then one name and the reasoning behind it — or a straight no.
- Costs you nothing, ever
- No obligation to use them
- Details never sold
Why this is harder than it looks in Alexander Heights
- Alexander Heights is not a generic block
Mapped here: 1 overlay families, bushfire-prone land. A builder who prices the house and discovers the site is a builder whose quote moves — and the variations land on you, not on them. The ones who work Alexander Heights regularly already know which of these reach which streets.
- A current licence tells you nothing about solvency
Every one of the companies behind that figure held a valid licence the day before it failed. The certificate on the wall says they are permitted to build. It does not say they can pay their framer on Friday.
What building in Alexander Heights actually involves
Alexander Heights maps an R35 code. That is an uncommon figure — the codes that appear on most Perth pages are R20, R30, R40, R60 — and it is a reminder that the R-code table has more rows than the familiar handful.
The in-between codes are not rounding
R35 is its own row of the table, with its own minimum and average lot sizes, site coverage, setbacks and open space requirements. It is not "about R30" or "nearly R40". A calculation done against R40 on a lot that is actually R35 produces a lot count that does not exist, and the error is invisible until someone checks the table.
So the discipline is simply to read the row you are on. Alexander Heights also maps R20, R40 and a split code, R20/40 — where the lower figure is the default and R40 applies only if the attached conditions are satisfied.
Which makes four different answers on one small suburb
Across 3.18 km² a lot may be settled at R20, settled at R35, settled at R40, or conditionally at R20-with-a-path-to-R40. Those are four distinct positions, and only one of them is ambiguous. Establishing which applies is the whole of the density question here.
No structure plan, which simplifies matters
None is recorded. Where a structure plan covers land it replaces parts of the standard provisions and becomes the operative document; with none here, the codes are read straight from the City of Wanneroo's scheme and the answer for a lot does not depend on a separate document you have to go and find, or on which amendment of it is current.
Bushfire
Three bushfire-prone features are mapped. For an established inner-northern suburb that is worth an address check rather than an assumption — where the mapping reaches a lot it brings a construction standard, and that is not something to discover once a price is set.
Where the remaining decisions sit
With no structure plan, no activity centre code and a settled zone, what shapes the house is the site: the orientation, how glazing is sized and shaded for a Perth summer, and the soil classification that drives footing design. All are settled at concept stage and none appears on a planning map.
What to establish first in Alexander Heights
The code at the address, read precisely — R35 is not R30 or R40 — and if it is the split, the conditions attached to the upper figure. Then the bushfire position. Then orientation and soil.
What you are dealing with in Alexander Heights
Six things a builder prices differently. This is the suburb-level picture — which of them reaches your block is an address check.
- Bushfire Mapped BAL assessment; glazing, decking and screening spec.
- Flood Not mapped Sets a minimum floor level. Flood report first.
- Heritage None mapped Impact statement; limits demolition, form and materials.
- Slope Not checked No Western Australian scheme maps landslip as a special control area, and there is no statewide layer
- Soil Not checked DWER publishes acid sulfate risk as regional map sheets, not one statewide layer we can read a blank from
- Density controls 1 zone · R20–R40 What may be built, and how much. Set parcel by parcel.
What is mapped in Alexander Heights
Read from Landgate SLIP, not a summary of it.
- Council
- City of Wanneroo
- Planning scheme
- Wanneroo Local Planning Scheme No. 2
- Overlays mapped here
- Locality boundary
- Residential zones mapped
- Residential
- Bushfire-prone land
- Mapped in this suburb
- R-Code density
- R20 to R40
Planning data from Landgate SLIP (CC BY 4.0), read 2026-09-19. Suburb-level, not a report on your block — check your address on the WA planning scheme maps.
Residential density codes mapped here
The mechanism
The Four-Point Builder Check™
Every one of them is something you could do yourself. What we sell is that it has been done, dated and published — and repeated on a schedule, because a check that happened once is worth nothing.
- 01 · Licence
Looked up on Building and Energy WA's own public register — number, class and status, with the date we looked recorded.
- 02 · Insurance
Public liability plus whatever warranty or indemnity cover WA requires. Sighted by us, not self-declared on a form.
- 03 · Still trading
Solvency re-checked on a schedule. A licence stays current right up until the day a company fails.
- 04 · Works in Alexander Heights
Confirmed with the builder against the suburbs they genuinely service — not a radius drawn on a map.
How this works
- 01Tell us about the build
Six questions, about three minutes.
- 02We match it against Alexander Heights
Against the 1 residential zone mapped here, 1 overlay families, bushfire-prone land — and against which builders hold the right licence class for it, have done it before, and actually work under City of Wanneroo.
- 03One recommendation, with the reasoning
Not six quotes to sift. We negotiate on your behalf; you deal with the builder directly. Builders pay us, only once you sign.
What you get, and what it costs you
- One builder, not a list
We read your brief against what is actually mapped in Alexander Heights — 1 overlay family, bushfire-prone land — and against which builders hold the right licence class, have built under these constraints before, and genuinely work under City of Wanneroo. You get one name and the reasoning in writing.
- Or a straight no
The same business day you get one of two things: our recommendation, with the reasons — or a plain email saying we have not got a builder in Alexander Heights we would put our name to yet, and what we are doing about it. No drip campaign, no being passed around.
- It costs you nothing, ever
The builder pays us, and only if you sign with them. You are never charged, and you are never under any obligation to use the builder we name. How the fee works.
We are not a builder, we do not manage your build, and we do not hold your money.
Fair questions before you send anything
- You have no builders listed in Alexander Heights yet. What use is that?
A fair question, and the honest answer is that a list is not what we do. We do not publish a builder until the licence is checked, the insurance is sighted and we have confirmed they are still trading — so an empty list here means we have not finished that work in Alexander Heights, not that we cannot help. Send the brief and we go and find one for your block. If we cannot, you get told that, the same day, rather than being added to a mailing list.
- Why not just get three quotes myself?
You can, and for a simple job you probably should. The difficulty on a block in Alexander Heights is that quotes are only comparable when they assume the same things — and with 1 overlay family mapped here, two builders can price the same house against different assumptions about the site and both be quoting honestly. Sorting that out is the part we do.
Builders serving Alexander Heights
Questions about building in Alexander Heights
What is R35?
Its own row of the R-code table, with its own minimum and average lot sizes, site coverage, setbacks and open space. It is not "about R30" or "nearly R40".
What goes wrong if I treat it as R40?
A calculation done against R40 on a lot that is actually R35 produces a lot count that does not exist, and the error is invisible until someone checks the table.
How many different positions are there here?
Four — settled at R20, settled at R35, settled at R40, or conditionally at R20 with a path to R40 under the split code. Only the last is ambiguous.
Is there a structure plan?
None recorded. The codes are read straight from the City of Wanneroo’s scheme, so the answer does not depend on a separate document or on which amendment of it is current.
What decides the build then?
The site — orientation, how glazing is sized and shaded for a Perth summer, and the soil classification that drives footing design. All settled at concept stage, none on a planning map.
What to ask a builder about a block in Alexander Heights
Each one is here because of something mapped in Alexander Heights. Take them to whoever quotes.
- 01
Confirm the zone at the address is Residential — and what it permits without a planning permit.
- 02
What bushfire attack level have you built to in Alexander Heights before, and what did it change in the glazing, decking and screening?
- 03
What R-code is this block, and what does it set for minimum and average site area per dwelling?
Local landmarks in Alexander Heights
- Adora Park
- Avila Park
- Highview Park
- Josephine Park
- Middleton Park
- Ian Robbins Park
No catch
What you are agreeing to
- Nothing. There is no contract with us, no account to create, no card, and nothing to cancel.
- No obligation to use whoever we recommend. Take the name and the reasoning and do what you like with it, including nothing.
- No phone number needed to start. Give us one if you want to be called; otherwise we write.
- One builder contacts you, not six. And only after you have seen the brief and said yes.
- Your details go to that builder and nobody else. Never sold, never auctioned, never shared with a panel.
- If we have nobody in Alexander Heights, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in Alexander Heights?
Licence checked with Building and Energy WA, insurance sighted, still trading, genuinely working in Alexander Heights. If we cannot find one worth recommending, we will say so.
Find my builder — free →Free · about 3 minutes · no obligation · your details are never sold