How to Negotiate Terms in a Sale and Purchase Agreement

How to negotiate the terms of a sale and purchase agreement in NZ, beyond just the purchase price.

Proply Team 6 July 2026

Price Isn't the Only Lever

Negotiating a sale and purchase agreement is about more than the purchase price. Settlement date, condition deadlines, and what's included as chattels can all be negotiated — and sometimes matter more to one party than price alone. A seller who needs a fast settlement, for instance, might accept a slightly lower offer with a shorter timeframe over a higher offer with a longer one.

four men looking at paper on a tablePhoto by Sebastian Herrmann on Unsplash

Every negotiated term ends up written into the agreement itself, so it's worth thinking through what actually matters to you before you make an offer, not just after.

Settlement Date

Buyers and sellers can often align this with their own moving or finance timelines.

Condition Timeframes

Longer periods for finance or building reports can sometimes be negotiated if needed.

Chattels Included

Specific items like curtains, appliances, or garden sheds can be added or excluded.

A seller who needs a fast settlement might accept a lower offer with a shorter timeframe over a higher offer that takes longer — settlement date can be as valuable as price.

Before You Make an Offer

A short checklist to sharpen your negotiating position.

Know your must-haves

Decide in advance which terms — price, date, or conditions — matter most to you.

Research the vendor's situation

A vendor under time pressure may value a fast, clean offer over the highest price.

Put every agreed term in writing

Verbal promises from an agent don't carry weight unless they're written into the agreement.

Quick Summary

  • Price isn't the only lever — settlement date, conditions and chattels all matter.
  • A vendor's own timeline can make a lower, faster offer more attractive than a higher one.
  • Get everything in writing — verbal agreements don't count.

Working out your negotiation strategy?

Proply can help you think through which terms are worth negotiating in your situation.

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