Seller tools Calculator

Auction Reserve Planning Calculator NZ

Plan a reserve scenario from payoff, costs and surplus.

NZ focused No input storage Estimate only

Enter your figures

Updates instantly. No input storage.

Scenario visual

Places the required-position scenario against the appraisal range you enter.

This range visual is a planning comparison only and does not recommend a reserve.

How it works

This NZ auction reserve planning calculator adds mortgage payoff, selling costs, minimum cash needed after sale, and a target surplus to create a planning reserve scenario. It then compares that scenario with the appraisal range entered by you.

Use it to prepare questions for a reserve conversation, not to set a reserve automatically. General information only. Estimate only. Results depend on user inputs.

Example scenario

If payoff, selling costs, minimum cash, and surplus total $601,000, that is the planning reserve scenario compared with your appraisal range inputs.

If the planning reserve sits near or above the appraisal range entered, that is a prompt to review assumptions with your agent, lawyer, lender, or adviser before auction decisions are made.

Assumptions
  • Reserve is a planning scenario, not a recommendation.
  • Appraisal values are entered by you and are not verified by this site.
  • Does not predict auction bidding, market value, legal obligations, or vendor strategy.
What it does not include

This calculator does not predict bidding, market value, buyer demand, legal auction obligations, vendor strategy, tax, settlement adjustments, or the final sale price.

It does not recommend a reserve, pricing strategy, or auction approach, and it does not provide valuation certainty or legal compliance. Not legal, financial, tax, valuation, mortgage, insurance, investment, property, lending, or compliance advice.

Source and review notes

The estimate is a simple addition of required payoff, selling costs, cash need, and surplus, compared with appraisal inputs supplied by the user. Review reserve decisions with your agent, lawyer, lender, and any relevant valuation or appraisal material.

Related workflows and guides

Use the seller sale planning workflow to review auction reserve planning alongside selling costs and net proceeds.

Relevant guide: Building Inspection Checklist NZ for pre-sale inspection and repair assumptions that may affect seller planning.