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Mosman is one of Sydney’s most prestigious suburbs, with properties regularly transacting between $3 million and well above $10 million. At these price points, the cost of missing a significant defect is not just inconvenient — it can be financially devastating. An independent building and pest inspection by a licensed builder is the single most important step you can take before committing to a Mosman purchase.
Marc Hanley from Barrenjoey Inspections brings over 30 years of hands-on construction experience to every Mosman inspection. He understands the specific risks that come with Mosman’s building stock — grand heritage homes, interwar character properties, sandstone foundations, older drainage systems, and the harbour-side environmental conditions that accelerate deterioration across all property types. Every inspection follows Australian Standard AS4349 and comes with a detailed photographic report delivered within 24 hours.
EXCELLENT Based on 13 reviews Posted on Jenna QuartermainTrustindex verifies that the original source of the review is Google. Marc was efficient and extremely thorough at a time we really needed his professional advice. His communication is outstanding and we highly recommend him.Posted on james curtisTrustindex verifies that the original source of the review is Google. Marc provided a very comprehensive building report, and was a pleasure to work with. He was responded to our enquiry immediately and was available at short notice.Posted on Ben AndrichTrustindex verifies that the original source of the review is Google. I highly recommend Marc for anyone looking for a building and pest report. He was responsive, thorough in his review of the property, helpful with my queries and easy to do business with.Posted on D M (Dave)Trustindex verifies that the original source of the review is Google. Marc is extremely thorough and meticulous. I have used many other Property inspectors in the past and none of them have come anywhere close to the level of detailed reports that Mark provide. He is the gold standard for property inspectors. So pleased I engaged his services on several occasions. I will recommend him to everyone. Dave.Posted on Alexander CroninTrustindex verifies that the original source of the review is Google. Marc performed a building and pest inspection for an apartment ahead of a purchase. Quick turnaround for a thorough report that was clear to understandPosted on Simonne SummervilleTrustindex verifies that the original source of the review is Google. Marc was able to accomodate me quickly and was very thorough and knowledgeable. I highly recommend Marc for your next house/pest inspection.Posted on Virpi TuiteTrustindex verifies that the original source of the review is Google. I was very impressed by the professional and friendly service from Barrenjoey Inspections. Marc is knowledgeable and has great attention to detail. The report is thorough and easy to follow, providing confidence for the most significant purchase, our new home.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Mosman’s property market is one of the most competitive in Sydney. Buyers regularly face auction conditions with no cooling-off period, and the gap between a well-informed bid and an uninformed one can be hundreds of thousands of dollars. Having an experienced building inspector on your side before auction day gives you the clarity and confidence to act decisively when it matters most.
Many of Mosman’s most sought-after homes were built in the late 1800s and early 1900s. These heritage and character properties are beautiful, but they carry well-known defect patterns that require an experienced eye to identify. Sandstone foundation movement, rising damp in original stone and brick walls, outdated electrical and plumbing systems, aging roof structures, and deteriorating original joinery are all common findings in Mosman properties of this era.
Mosman’s harbour-side and bushland-adjacent positioning also creates elevated moisture, corrosion, and termite risk across many parts of the suburb. A combined building and pest inspection gives you a complete picture of the property’s true condition before you sign anything, and Marc’s plain English reports make it easy to understand exactly what you are buying.
Mosman’s trusted independent building and pest inspection service

Get facts before you bid. Mosman's high-stakes market means your report must be ready early.

Mosman's bushland surrounds create real termite risk. Marc knows exactly where to look and check.

Every report meets Australian Standard AS4349 with photos and plain English findings throughout.

Marc explains what defects cost to fix, not just that they exist. Real construction experience counts.

Call Marc before or after your inspection. No call centres, no third-party relay at any stage.
Buying in Mosman or a nearby suburb and need a building and pest inspection before auction or cooling-off? Call Marc directly for a fast, no-obligation quote and clear turnaround times.
As a licensed builder with over 30 years of construction experience, Marc understands the heritage defect patterns, harbour-side moisture risks, and termite activity specific to Mosman and the North Shore. You will receive a plain English report, direct communication, and straightforward advice with no sales pressure.
0400 888 870