Pre Purchase Inspection Checklist for WA Buyers

A polished kitchen, fresh paint and a tidy garden can make a property feel ready to buy. They can also make it easier to miss the costly issues sitting behind a wall, under a floor or above a ceiling. This pre-purchase inspection checklist helps WA buyers focus on the areas that can affect safety, repair costs and the decision to proceed.

A checklist is a useful way to inspect a property during a home open, but it is not a substitute for an independent building inspection. Many significant defects cannot be properly assessed without suitable access, experience and the right inspection process. The aim is to notice warning signs early, then arrange a detailed professional assessment before your contract conditions expire.

Start with the big-picture condition

Before looking closely at individual rooms, stand back and assess the property as a whole. Does the home appear well maintained? Are there obvious signs of movement, water damage or neglected repairs? A home does not need to be brand new to be a sound purchase, but its condition should be consistent with its age, construction type and asking price.

Look at the site as well as the building. Perth and wider WA properties can be affected by drainage issues, reactive soils, coastal exposure, timber pest activity and harsh summer conditions. A block that slopes towards the house, for example, may direct water towards the footings rather than away from them. That may not create an immediate problem, but it deserves closer attention.

Also consider whether extensions, patios, retaining walls, sheds and alterations appear well built and appropriately finished. These secondary structures can carry substantial repair or compliance costs, particularly where workmanship is poor or approvals have not been properly considered.

Pre-purchase inspection checklist: outside the property

The exterior often gives the clearest clues about how a property has performed over time. Walk around the house slowly if access allows, rather than relying only on the view from the street.

Check the roofline for sagging, damaged tiles, deteriorated metal sheeting, loose flashings and blocked gutters. You may not be able to safely inspect the roof itself, but staining to eaves, rust marks, overflowing gutters or damaged downpipes can point to water-management issues. Water entering roof spaces can lead to timber decay, mould, ceiling damage and electrical concerns.

Pay close attention to external walls. Fine cracking is common in many properties and is not automatically structural, especially around openings or in older rendered finishes. Wider cracks, stepped brickwork cracks, cracking that continues through internal and external walls, or doors and windows that no longer sit squarely can indicate movement worth investigating.

Look for these practical warning signs around the perimeter:

• Ponding water, poorly directed downpipes or paving that falls towards the home.
• Rotting timber, damaged cladding, deteriorated sealants or open gaps around windows and doors.
• Termite leads, mud tubes, hollow-sounding timber or timber elements close to soil level.
• Rust, corrosion or loose fixings on patios, carports, fences and balustrades.
• Deteriorated retaining walls, leaning fences or unsafe steps and handrails.

Termites are particularly relevant in WA. A clean-looking property is not proof that there is no termite risk or previous activity. Timber pest inspections assess visible and accessible evidence, but concealed areas, stored goods and restricted spaces can limit what can be seen. An experienced inspector will explain those limitations clearly rather than offering false certainty.

Check every room for moisture and movement

Inside, use your senses. A musty smell, peeling paint, swollen skirting boards, discoloured ceilings or bubbling wall finishes can all suggest moisture has been present. Ask yourself whether the issue looks historic and repaired, or active and unexplained.

Bathrooms, laundries and kitchens deserve extra attention because small leaks can cause expensive damage over time. Check around showers, baths, vanities, toilets, sinks and tiled splashbacks. Loose tiles, cracked grout, deteriorated silicone and staining to adjoining walls or ceilings below wet areas may indicate waterproofing or plumbing concerns.

Open and close a selection of doors and windows where permitted. Sticking doors can result from minor seasonal movement, worn hardware or changes in humidity. When they occur alongside visible cracking, uneven floors or gaps around frames, they may be part of a broader movement issue.

Do not overlook ceilings and cornices. Stains may be linked to an old roof leak, a plumbing leak or condensation. The cause matters more than the stain itself. A professional inspection can help determine whether there is evidence of ongoing moisture and whether further investigation by a specialist is needed.

Assess kitchens, services and safety carefully

A pre-purchase building inspection is primarily a visual assessment of the property’s condition. It does not replace specialist testing of electrical wiring, plumbing, gas appliances, air-conditioning systems or swimming pool equipment. Even so, visible condition can reveal where further advice is sensible.

In the kitchen, check cupboards beneath sinks for staining, swelling or damp odours. Look at the condition of benchtops, cabinetry and flooring, particularly near appliances and water connections. Test only basic accessible items with the agent’s permission. Avoid operating equipment that you do not understand or that appears unsafe.

Note visible electrical concerns such as damaged power points, exposed wiring, missing covers or an old switchboard. Check whether smoke alarms are present, though their location, age and compliance should not be assumed from a quick visual check. For homes with solar panels, air-conditioning, a pool, spa or bore, budget for specialist checks if those assets are important to your purchase decision.

Safety defects can be easy to overlook during an emotional home open. Loose balcony rails, unsafe stair treads, broken glazing, trip hazards and unstable outbuildings may not stop a purchase, but they should be factored into the cost and urgency of repairs.

Look above, below and behind where access allows

Some of the most valuable inspection information comes from roof spaces and subfloors. These areas can reveal timber framing issues, leaks, insulation condition, pest activity, moisture, inadequate ventilation and signs of previous repairs.

They are also commonly inaccessible. Low clearances, stored belongings, insulation, locked hatches, unsafe access, suspended ceilings and restricted subfloor entries can all limit an inspection. This does not make the inspection less worthwhile. It means the report should identify what was and was not accessible, and recommend further investigation where the risk cannot be reasonably assessed.

Buyers should be cautious of anyone who promises that a visual inspection will find every defect. A thorough inspector works within the accessible areas, identifies evidence, explains the likely implications and flags when a plumber, electrician, engineer, roofer or pest specialist should investigate further.

Review documents and ask direct questions

The physical condition of the house is only one part of due diligence. Request available information about renovations, waterproofing, termite treatments, roof repairs, drainage works, structural alterations and recent maintenance. If a seller has completed major work, ask for relevant invoices, warranties and approvals where applicable.

For strata properties, review the strata information carefully. Building condition, insurance history, planned works, levies and common-property maintenance can materially change the true cost of ownership. An apartment with a well-presented interior may still be affected by water ingress or major works elsewhere in the complex.

If the property was built before asbestos use was phased out, do not assume that old eaves, wall linings, vinyl flooring or outbuilding materials are safe to disturb. Asbestos-containing materials are often manageable when in good condition and left undisturbed, but identification and testing should be undertaken by appropriately qualified professionals where there is uncertainty.

Use the inspection report to make a clear decision

A good report should do more than produce a long list of minor marks and maintenance items. It should separate significant defects from routine upkeep, describe the location and likely consequence of each issue, include clear photographs, and explain recommended next steps in plain English.

Not every defect should end a purchase. Older homes often have cracks, dated finishes, worn sealants and maintenance needs that are normal for their age. The key question is whether the property has issues that change its value, safety, insurability, repair budget or suitability for your plans.

Where material defects are found, seek quotes or specialist advice before deciding whether to proceed, renegotiate or walk away under the relevant contract conditions. Your conveyancer or settlement agent can advise on the contract process, while an independent inspector can help you understand the building findings without sales pressure.

For buyers who want practical, construction-grounded advice, Rushe Building Inspections provides independent building assessments across Perth and wider WA. The most useful inspection is not the one that simply confirms a property looks good. It is the one that gives you a clear view of what you are buying, what may need attention, and what questions to ask before the property becomes yours.