Considering an Offer Conditional on the Sale of a House?

Four Points Sellers Should Weigh Carefully.

Since the market softened in early 2022, we’ve seen a noticeable increase in sellers giving serious consideration to offers conditional on the sale of another property.

Sometimes it becomes even more layered — your buyer needs to sell… to a buyer who also needs to sell. A chain of well-meaning people, each needing certainty before they can provide it. Ever played dominos? Or Jenga? You get the picture.

An offer subject to house sale is not inherently good or bad. But it does introduce risk. Before accepting one, here are four things worth thinking through carefully.


1. How Far Along Is Your Buyer in Their Process?

Is their property on the market yet?

If it’s already listed, you can assess:

  • How long it’s been for sale
  • The level of interest
  • Pricing strategy
  • Whether comparable properties are moving

Better still if they already have:

  • Strong buyer enquiry
  • A conditional offer in place

If they are not yet on the market, you may want written agreement on:

  • When their property will be launched
  • Where it will be advertised (Trade Me, REINZ platforms, etc.)
  • Whether they are using a professional agent

With the greatest respect to private sellers, the process is often less straightforward than it seems. When multiple sales are interdependent, the agreement you sign is only one part of the picture.

If timelines shift or conditions aren’t met, the entire chain may need to be renegotiated — requiring several parties to adjust in order for everyone to move forward. Securing that cooperation is often easier when someone has a clear view of the whole structure. As a seller, you’ll need to weigh potential benefit against exposure, and ensure your solicitor structures the agreement with appropriate safeguards should the chain stall.


2. What Is Your Buyer Selling — and Where?

You need to understand the asset that must sell in order for your sale to complete.

This includes:

  • Property type
  • Location
  • Market conditions in that area

Occasionally, we see buyers who need to sell offshore property. When you have limited visibility or access to reliable data about that market, you are effectively flying blind.

Personally, I’m not a fan of coin flips when we’re talking about your largest asset.


3. What Is Their Price Expectation — and How Fast Is That Market Moving?

This is a big one.

There is a significant difference between:

  • A buyer with realistic pricing expectations in a suburb where property is moving well
  • A buyer “chasing rainbows” in an area saturated with better-priced competition

If their pricing is ambitious and their suburb is slow, your risk increases.

Remember: your agreement may tie your property up for 4–6 weeks (or longer). In that period, other buyers may hesitate — especially if they feel the property is effectively spoken for. Most won’t risk missing another opportunity while waiting to see how your conditional contract unfolds.


4. Are There Polarising Factors That Could Trip Them Up?

Almost every property is saleable.

What you’re watching for are factors that may:

  • Slow a sale
  • Narrow the buyer pool
  • Or stop momentum altogether

Examples include:

  • Certain cladding types (especially those with stigma)
  • Known weathertightness or structural issues
  • Non-compliant works
  • Flooding or contamination risk
  • Proximity to undesirable elements
  • Title defects or unusual restrictions

If these issues exist and your buyer hasn’t factored them into pricing or timing expectations, the risk flows back to you.


Why Does This Matter?

A standard house sale condition often runs for 4–6 weeks.

During that time:

  • Your property is no longer “fresh to market.”
  • Other buyers may hesitate.
  • Backup offers require strong motivation and certainty.

If the agreement falls over because your buyer fails to sell, you may be back to square one — but without the early-campaign momentum.

Taking time to assess risk upfront is not pessimism. It’s prudence.


A Final Word | Escape Clauses

Always — always — give yourself an out.

An appropriately drafted escape clause allows you to:

  • Continue marketing your property
  • Accept a backup offer
  • Issue notice to your conditional buyer
  • Move to a more certain or unconditional agreement if conditions are not met

There are many variables in a chain sale that you and your buyer simply cannot control. An escape clause gives you a defined pathway to certainty.

The above is not legal advice. We strongly recommend obtaining your solicitor’s guidance regarding drafting and specific circumstances.


Understanding the moving parts behind a house-sale condition allows you to make informed, strategic decisions.

Happy selling.

from the field

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