What we look for in Marmion, and why it differs from the suburb next door. 15.6 km from the CBD, 0.2 km from the coast, postcode 6020.
Marmion is small, just over a square kilometre, and named after Patrick Marmion, the master whaler whose 1849 station stood nearby. Its primary school opened in 1956 and was known as the little school in the bush, reached by a track until the mid 1970s. Then the suburb went up almost all at once.
The bulk of Marmion was built in a remarkably tight window, between 1973 and 1976. A whole suburb of essentially the same age is unusual, and it makes the place predictable in a way most are not.
Everything reaches the same milestones together. At fifty years these houses are between a first and second maintenance cycle, so roofs and roof plumbing, hot water systems, wiring and wet area waterproofing all arrive at once rather than in sequence. Knowing the standard build of that window tells us where to look before arriving, and what a neighbour has already had to replace is a fair guide to what is queued for the house you are buying.
There is one exception worth finding. A small pocket west of Cliff Street was developed by 1961, so it predates the bulk by more than a decade and inspects differently.
Cliff Street itself runs downhill to the coast, so those hillside houses bring sloping sites, retaining, cut and fill and down slope drainage. On the ocean side the salt load is real, so delignification is a genuine check on any original tiled roof. Marmion has a notably older, settled population with high owner occupation, which tends to mean long tenure and original fittings.
Uniform age means uniform exposure, which at least makes the pattern predictable. Every original barrier here went in around the same time and every one of them stopped working decades ago. Very few have been renewed.
Coastal sand keeps general pressure moderate. The exposures are timber in ground contact and locally damp ground. On the Cliff Street slope, retaining walls stepping down a hillside are both a food source and something holding damp soil against a structure.
Fifty years of gardens on the flatter blocks hold buried timber and old stumps, and the slab edge has usually disappeared under paving and beds added over the decades. Long tenure cuts both ways here, since an owner of forty years usually knows the property's history and is worth asking.
On a sloping coastal block the retaining and the drainage matter to both reports, and on the flatter streets the perimeter and roof serve both. One attendance covers the property properly. Reported under AS 4349.1 and AS 4349.3.
In a suburb this uniform, local knowledge travels unusually well. Ask neighbours what has already needed doing, because on houses built within three years of each other the answers apply widely.
Long held homes are now turning over, so we do the final inspection before settlement on properties that have been in one family for decades. Rebuilding on coastal blocks brings staged inspections while retaining and drainage are visible, and condition records for the older house beside the work.
The bulk of Marmion went up in a very tight window, 1973 to 1976, which gives it a distinctive character: a whole suburb of same-age construction now hitting the same mid-life failures together. When a suburb is built all at once, its roofs, services, wet areas and finishes tend to reach end of life at the same time, so the recurring picture across Marmion is forty-to-fifty-year-old stock where the same era-specific items come due street by street. There is also a small pocket west of Cliff Street that predates 1961, an older layer mixed into the 70s bulk, so establishing whether a house is one of those is worth doing.
The setting adds two things. The Cliff Street hillside houses sit on sloping coastal sites, which brings retaining walls, cut-and-fill and down-slope drainage into the inspection. And Marmion has ocean frontage on a reef coast, so salt is a real factor: wall-tie corrosion, salt attack in mortar, breakdown of exposed roof timber, and delignification as a first-look item on older tiled roofs. A Marmion inspection reads the tight-window age of the stock, the slope and retaining on the hillside sites, and the coastal salt on the fabric.
Because so much of Marmion went up in one three-year window, an inspection tends to find the same mid-life items recurring: concrete-tile roofs whose fixings and pointing want attention, aged services due for renewal, and wet areas whose original waterproofing has reached end of life. On the Cliff Street hillside homes the slope leads, with retaining walls read for movement and drainage and the down-slope water flow traced away from the house. The reef-coast salt exposure drives a hard look at wall ties, exposed metal, gutters and flashings, and any tiled roof past its first decade gets a batten check for delignification. On the small pre-1961 pocket west of Cliff Street the checks shift to those of genuinely older fabric.
None of it is guesswork. Reading the stock above into an inspection, these are the checks the Marmion pattern pushes to the top of the list:
Marmion sits on the Quindalup dune system — young calcareous sand, still mobile in places, and thin over the water table near the front. Sand this young has low bearing capacity but very little reactivity, so footing movement is uncommon and drainage problems are not. What the ground gives you here it takes back in the air.
What that means in practice, on a house in Marmion:
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.
The Little School and Aquatic Club are the fixed points in Marmion. They matter to an inspection for an unromantic reason: they date the surrounding stock. The decade that built them is usually the decade that built the houses around them, and that decade decides what is in the roof, what is in the walls, and what the wiring looks like.
Watermans Bay, North Beach, Sorrento and Carine sit on the same ground as Marmion, 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.
Duncraig is 2.2 km away but sits on the Spearwood dune system; Glengarry is 2.7 km away but sits on the Spearwood 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 Marmion 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 0.2 km from the water, Marmion sits inside the coastal-salt band — the band where coastal salt drives the defects. The fee concentrates on delignified battens, corroded ties and fixings, and the salt staining that starts inside the masonry, with the roof space taking the longest on a tiled roof past its first decade.
Pre-purchase building inspection in Marmion →
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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.
Marmion is 0.2 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