What we look for in Banjup, and why it differs from the suburb next door. 22.9 km from the CBD, 7.4 km from the coast, postcode 6164.
Banjup is rural residential, with an average lot of around two hectares. Hobby farms, horse properties, nurseries and people who wanted open space. In 2016 the northern portion above Armadale Road became the new suburb of Treeby, which is worth knowing when reading older records.
Five acres changes what an inspection is. The property is the job, not the house.
Septic and leach systems, since there is no deep sewer. Bore or tank water. Long private driveways. Stables and sheds. Workshops. Nursery structures. All of it forms part of the purchase and none of it is covered by looking at the dwelling. On a horse property the stables frequently represent more value than the house does.
Agree the scope in writing before anyone attends. Which structures are included, and which are not, is the commonest source of disagreement on a rural job and it takes one sentence to settle.
Nursery and flower growing land, and hobby farm ground generally, carries a horticultural history. Irrigation, bores, and on some parcels a legacy of long term chemical use.
Large treed lots mean bushfire exposure, so BAL requirements and access matter, and a long rural driveway is not always something a fire appliance can use.
Banjup Memorial Park commemorates fourteen local men who enlisted after the First World War, with a gum tree for each. The district recorded one of the highest casualty rates of anywhere in the state.
On a two hectare block the risk sits across the whole site, and the outbuildings usually matter more than the dwelling.
Stables and sheds sitting directly on soil. Fence and yard timbers set into ground across long boundaries. Feed sheds and tack rooms. Stacked timber that has not moved in years.
Irrigation for nurseries and paddocks keeps ground damp through summer when surrounding land has dried, and that moisture is the one thing a colony depends on. Treed lots supply continuous habitat.
On the dwelling itself, timber floored houses put the subfloor first while slab built homes move attention to the perimeter. Barriers on older rural dwellings are generally absent.
Walking a five acre property properly takes hours before travel is counted, and doing it twice makes no sense. One attendance covers the dwelling, the outbuildings and the services. Reported under AS 4349.1 and AS 4349.3.
Buyers here usually want the bore, the effluent system and the outbuildings assessed as specific items, since none of them is covered by assumption and all are expensive to put right.
Where building is happening, staged inspections cover site works, drainage and the effluent system while they remain visible. Disputes on rural blocks tend to concern access easements and boundaries, or a structure that turned out never to have been approved. We prepare reports on those, and they come up more often on acreage than on suburban blocks.
Before buying, walk the boundaries. On five acres, what has accumulated along a back fence over twenty years tells you a great deal that the house never will.
Banjup 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 Banjup:
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.
Banjup Memorial Park is the fixed point most people in Banjup 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.
Atwell, Aubin Grove, Hammond Park, Treeby, Success and Wandi sit on the same ground as Banjup, 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.
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 Banjup 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 →
7.4 km inland through Cockburn, the salt risk in Banjup is real but secondary. The same fee weighs an older roof for corrosion alongside the wet areas, the drainage and the movement patterns the Cockburn stock tends to show.
Pre-purchase building inspection in Banjup →
Building and pest inspection in Banjup →
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.
Banjup is 7.4 km from the coast — outside the highest-exposure band, but close enough that salt-driven delignification is worth checking in an older tiled roof.
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.
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