What we look for in Bicton, and why it differs from the suburb next door. 11.3 km from the CBD, 3.1 km from the coast, postcode 6157.
Bicton sits on limestone. The Blackwall Reach cliffs on its northern edge are entirely limestone, and many of the suburb's turn of century houses were built on limestone foundations quarried locally. It is also one of Perth's hilliest coastal suburbs, with Castle Hill the most prominent point.
Limestone footings are a distinct inspection and they behave nothing like modern concrete. The stone weathers. The mortar between it decays. Salt attacks the face. On a hundred year old house sitting on quarried limestone, the condition of those footings is a primary question rather than a passing one, and it is not answerable from inside the house.
The hills add the second issue. Sloping river view sites bring retaining walls, often themselves built of limestone, along with cut and fill platforms and drainage that must be managed down the block. Limestone retaining has its own failure pattern as the stone and mortar break down, and replacing it on a steep site is expensive.
Swan River frontage means salt air, so delignification is a genuine check on older tiled roofs. The housing runs from turn of century heritage through interwar and mid century to modern prestige rebuilds, with heritage listed buildings among it. Establish which you are looking at. Low blocks near Point Walter carry a water table and flood context.
Limestone changes the picture in a way worth understanding. Termites cannot eat it, which sounds reassuring, but limestone is porous and irregular and it weathers into voids and cracks. Those give concealed routes up to the timber sitting on top, and a footing that looks solid can be full of paths nobody can see.
So on an old Bicton house the junction between limestone footing and timber structure is where we concentrate. Subfloor access on a sloping site varies and we report what we got.
Elsewhere the drivers are familiar. Mature gardens with buried timber, timber retaining on slopes, decking and pergolas on view blocks, and reticulation keeping sandy soil damp in patches it would not otherwise stay damp. Barriers on the older stock are absent or long dead.
On a limestone footed house both inspections meet at the same place, which is the base of the walls and the subfloor above the stone. One inspector assessing footing condition and termite pathways together produces a better answer than two forming separate views of the same masonry. Reported under AS 4349.1 and AS 4349.3.
Prestige rebuilding on hilly river blocks brings building stage inspections, where retaining and drainage get covered early and cannot be reviewed afterwards. Practical completion inspections follow.
Dilapidation reports matter where excavation happens near an old limestone footed house, because vibration and undermining are real risks to that construction. We also do pre-settlement inspections and expert witness reports, which here often concern retaining walls and slope drainage.
If a house sits on limestone footings, do not accept a report that treats them as equivalent to concrete. They are not, and the difference matters both for what they will cost to maintain and for how termites can travel through them.
Bicton 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 Bicton:
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.
Attadale, Palmyra, Melville and Willagee sit on the same ground as Bicton, 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.
East Fremantle is 1.9 km away but sits on the Quindalup dune system; Mosman Park is 2.7 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 Bicton 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 3.1 km from the water, Bicton 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 Bicton →
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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.
Bicton is 3.1 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