Why Properties Sit on the Market: Due Diligence Issues That Kill Deals

Every agent has experienced it. A property attracts strong interest, an offer is accepted, and then, days or weeks into the due diligence period, the buyer walks away. Sometimes they cite financing. Sometimes they give no clear reason. But experienced agents know that a significant proportion of late-stage deal collapses are driven by something the buyer discovered during their due diligence research.

Understanding the most common due diligence deal-killers is valuable for agents, vendors, and buyers alike.

The most common due diligence discovery that causes deal collapses in Brisbane is flood risk. A buyer makes an offer on a property they find compelling, then has a PropDex report or other due diligence undertaken, and discovers for the first time that the property carries a creek flood overlay or a Brisbane River flood planning area designation.

The immediate response from a buyer who had not priced this risk into their offer is often to seek either a price reduction or to exercise any due diligence condition they have in the contract. In a worst case, they simply rescind the contract during the cooling-off period or under a finance condition.

For vendors of flood-affected properties, the mitigation is transparency. A vendor who presents flood overlay information proactively, provides insurance quotes demonstrating the premium impact, and prices the property accordingly has set appropriate expectations. Buyers who proceed on that basis have made an informed decision and are far less likely to exit.

Buyers who purchase with specific renovation or extension intentions and discover an easement that makes those plans impossible or expensive to achieve frequently exit contracts where they have conditions that allow it.

A buyer who intends to add a pool in the backyard and discovers a drainage easement running through the exact area planned for the pool may not be able to proceed with their vision. If the pool was a significant motivation for the purchase, this can be a deal-breaker.

Agents who know about easements affecting their listing should address them proactively in the marketing and discussions with interested buyers. The easement information is on the title. It will be found during a title search. Addressing it early is far better than having it end a deal late.

Buyers of pre-1947 homes who discover after offer that a character or heritage overlay prevents their planned significant exterior alterations face a similar situation. An agent marketing a "renovation opportunity" on a heritage-listed or character-coded property needs to ensure that buyers understand the constraints on that renovation before they commit.

Buyers who purchase with development intentions (dual occupancy, subdivision, granny flat) and discover after offer that the zoning or planning provisions do not permit their intended use will typically exit the contract if conditions allow.

The common thread across all these deal-killers is that the information was always available. Flood overlays, easements, heritage designations, and zoning provisions are all publicly accessible before any offer is made.

Agents and vendors who present a PropDex due diligence report as part of the marketing package for a listing are addressing the most common late-stage deal collapse triggers proactively. This approach builds buyer confidence, reduces time wasted on deals that will not complete, and positions the property with accurately informed buyers who have chosen to proceed.