What we look for in Edgewater, and why it differs from the suburb next door. 22.2 km from the CBD, 4.4 km from the coast, postcode 6027.
Edgewater was approved in 1974 and named for exactly where it sits, on the western edge of Lake Joondalup within Yellagonga Regional Park. When a suburb is named for its relationship to a lake, the lake is the place to start.
Lakeside blocks face a high and seasonally variable water table. That is the whole story here. That affects drainage, slab performance and any below ground structure, and it means a site inspected in February can behave quite differently in July. How far a block sits from the lake edge matters more than most things about the building on it.
The housing is 1980s through early 1990s brick and tile, now thirty to forty years old and moving through a first maintenance cycle. Roofs and roof plumbing, hot water systems, and wet area waterproofing arrive across that span, and asbestos era materials are less likely than in post war stock but not absent, particularly in the earliest houses and in later additions.
Yellagonga Regional Park along the eastern boundary brings retained wetland and bushland, with the constraints that come with adjoining reserve land.
This is an inland lake suburb, so salt and delignification are a low priority. Water from the land is the concern rather than water from the sea, and the roof inspection concentrates on fixings, roof plumbing and workmanship instead.
A wetland boundary is the highest pressure setting a Perth suburb can have short of a river flat, and Edgewater has one along its whole eastern edge.
Yellagonga supplies permanent moisture, which is the limiting factor for subterranean colonies, and retained bushland along the park holds established colonies that cannot be cleared away. Blocks facing the reserve carry steadier pressure than the streets further west.
On low lakeside ground a slab edge can sit in soil that stays damp well into summer, and where a subfloor exists it can be difficult to assess. We report the limits rather than glossing over them.
On thirty to forty year old stock the original barrier has reached the end of its life and few have been renewed. Decades of garden usually bury the slab edge under paving and beds.
How wet a block gets drives both reports here. One assessment of that serves each. The slab edge, the drainage and the roof are shared ground between the two inspections. Reported under AS 4349.1 and AS 4349.3.
Look at a lakeside block in winter if the timing allows. July tells the truth. Ground that presents perfectly in summer tells a different story after a wet month, and the wet version is the one you will own.
Where a property adjoins the regional park, buyers usually want that boundary considered specifically, since retained wetland brings pest pressure and habitat constraints to the same edge. Renovation and subdivision bring staged inspections and condition records for the house next door during the works.
Ask how far a block sits from the water. Metres matter here. Along a lake edge that distance decides the drainage, the ground and most of what a report will say.
Edgewater is literally named for sitting on the edge of Lake Joondalup, and the wetland is the defining fact of an inspection here. The lake is the largest basin in the Yellagonga system, and its level rises and falls seasonally, so the blocks that slope down toward the reserve carry a water table that can sit high in winter and drop away by late summer. On those lower, lake-facing lots that means subfloor spaces that are dry at a February inspection but damp in July, soakwells that struggle to clear in a wet week, and slab edges that wick moisture where the fall toward the house is wrong. Where a home sits on the gradient down to the reserve is one of the most important things to establish, because two houses a street apart can behave completely differently.
The stock is 1980s to early-90s brick-and-tile, now thirty to forty years old and into its first maintenance cycle, so hot water systems, roof and gutters and wet-area waterproofing are the items coming due, and the concrete-tile roofs of that era are at the point where fixings and pointing want checking. The reserve itself brings two more things worth an eye: mosquito and midge pressure that has buyers sealing and screening, and mature paperbarks and reeds along the margin whose roots work toward older drainage. As an inland lake suburb, salt and delignification are a low priority; the water that matters here rises from the land, not the sea. An Edgewater inspection reads the gradient down to Lake Joondalup and its seasonal water table first, then the first-cycle wear on the 1980s-90s stock. The wetland, not the coast, is the whole story.
None of it is guesswork. Reading the stock above into an inspection, these are the checks the Edgewater pattern pushes to the top of the list:
Edgewater sits on the Spearwood dune system — residual yellow and grey sand over a Tamala Limestone core, with the rock often close to the surface. Limestone near the surface makes for stable footings and expensive excavation. Where the rock is shallow, older houses often sit directly on limestone footings, and those are the ones to look at for rising damp and salt damp at the base of the wall.
What that means in practice, on a house in Edgewater:
Landform is assigned from the suburb's position on the Swan Coastal Plain rather than from a site soil test. It tells you what to expect, not what you have. A site classification to AS 2870 is a different exercise and a different report.
Yellagonga Regional Park is the fixed point most people in Edgewater navigate by. Buildings like it are useful to an inspector for a duller reason: they date the area. Whatever era put that up is usually the era that put up the houses around it, and the construction methods of that decade are what we expect to find in the roof.
Beldon, Heathridge, Wanneroo, Craigie and Sinagra sit on the same ground as Edgewater, so the footing behaviour and the drainage problems tend to repeat across all of them. If you are comparing houses across those suburbs, you are largely comparing the same site conditions.
Connolly is 3.3 km away but sits on the Quindalup dune system. That is the useful thing about this part of Perth: the ground can change inside a few kilometres, and with it what an inspection is looking for.
On site classification: any soil zone quoted for a suburb is indicative, inferred from geography rather than surveyed. A real AS 2870 classification comes from geotechnical work on your actual block and can differ from the one next door. We report what we observe; we do not read your soil class off a map.
The inspection is visual and non-invasive, over the readily accessible areas, reported to AS 4349.1. Our inspectors physically enter the roof space, as long as there is sufficient access. Report within 24 hours of the inspection.
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Flat fee, the same in Edgewater as anywhere: $440 inc. GST for a pre-purchase building inspection, or $616 inc. GST with the timber pest scope added in the same visit. Full price list →
At 4.4 km from the water, Edgewater sits inside the coastal-salt band, and salt does the damage this close to the water. The flat fee buys a hard look at the tile battens for delignification, at the wall ties and metal fixings for corrosion, and at the rust bleed through render that looks cosmetic and is not. The tiled-roof void is the priority.
Pre-purchase building inspection in Edgewater →
Building and pest inspection in Edgewater →
Yes. Our inspectors physically enter and inspect the roof space, as long as there is sufficient access to do so safely. Where access is restricted, the report says so plainly rather than implying we saw more than we did.
Edgewater is 4.4 km from the coast, inside the band where delignification should be expected in tile battens. On a tiled roof more than about ten years old it is one of the first things we look at.
Within 24 hours of the inspection itself, not 24 hours from booking. On a pre-purchase or pre-settlement job that timing is the whole point, because your leverage disappears once you are committed.
We would rather you checked than took our word for it. These are the bodies that actually hold the records and set the rules:
Tell us about the property and what you need. We'll come back to you with a firm quote and a time.
PERTH