Buying Processes

Private Sale vs Auction

Private sale (treaty/negotiation) lets you include conditions like finance and building inspection to protect yourself. Auction requires you to bid unconditionally — once the hammer falls, the deal is binding with no way out.

Side-by-Side Comparison

AttributePrivate SaleAuction
Due diligence timingAfter signing (during condition period, typically 10-15 working days)Before auction day — all checks must be completed in advance
ConditionsCan include finance, building report, LIM, valuation, and other conditionsUnconditional on the fall of the hammer — no conditions allowed
DepositNegotiable (typically 5-10%, paid on confirmation)Typically 10%, payable immediately on auction day
Cooling-off periodEffectively yes — conditions provide an exit pathNone — the sale is binding the moment the hammer falls
Negotiation dynamicsPrivate negotiation between buyer and seller via agentsPublic, competitive bidding — price driven by competing buyers
Price transparencyOften listed with asking price or price rangeNo price indication — market determines the price on the day
Agreement formStandard ADLS/REINZ Sale and Purchase AgreementAuction Sale and Purchase Agreement (no conditions)
Risk to buyerLower — conditions protect you if problems are foundHigher — no conditions means you accept all risks

Private Sale Explained

Private sale (also called sale by negotiation or treaty) is the most common method of selling residential property in New Zealand. The buyer makes an offer using the standard ADLS/REINZ Sale and Purchase Agreement, typically with conditions attached. Common conditions include finance approval, a satisfactory building inspection, a satisfactory LIM report, and a satisfactory valuation.

The key advantage for buyers is that conditions give you a structured exit path. If your builder finds serious issues, your finance falls through, or the LIM reveals hazards, you can cancel the agreement without penalty during the condition period. Your lawyer can negotiate the specific conditions and timeframes to suit your situation.

Private sale also allows for more flexible negotiation. You can negotiate price, settlement date, chattels, and other terms back and forth until both parties agree. There is no public pressure or time constraint forcing a decision.

Auction Explained

Auction is a public, competitive sale method where buyers bid against each other in real time. In New Zealand, the critical rule is that the sale is unconditional on the fall of the hammer. This means the winning bidder is immediately locked into a binding contract with no conditions — no finance condition, no building report condition, no way out.

This means all due diligence must be completed before auction day. You need to have your finance pre-approved, your building inspection done, your LIM reviewed, and your lawyer's advice received — all before you raise your hand to bid. This costs money upfront with no guarantee you will win.

Auctions create urgency and competition, which can drive prices above what a private sale might achieve. For buyers, this means you may end up paying more than you planned due to the heat of bidding. Setting a firm maximum price before the auction and sticking to it is essential.

Do You Need Both?

You do not choose the sale method — the seller does. However, you can decide which properties to pursue based on the sale method. If you are a first-home buyer or have tight finances, private sale is generally safer because conditions protect you. If you are buying at auction, you need deeper pockets for upfront due diligence and the confidence to commit unconditionally.

Which Should You Get First?

If a property is listed for auction but you want conditions, you can make a pre-auction offer with conditions attached. The seller is not obliged to accept it, but many will consider strong pre-auction offers. Talk to your lawyer before making any offer, regardless of sale method.

Frequently Asked Questions

Can I make a conditional offer on an auction property before auction day?

Yes, you can submit a pre-auction offer with conditions. The seller can accept, reject, or counter-offer. If they accept your conditional offer, the auction is typically cancelled. Many sellers will only consider pre-auction offers if they are compelling.

What happens if the property does not sell at auction?

If the highest bid does not meet the seller's reserve price, the property is 'passed in.' The highest bidder usually gets the first opportunity to negotiate with the seller after the auction, and conditions can often be included at that point.

How much does pre-auction due diligence cost?

Budget for a building inspection ($400-$800), a LIM report (fee varies by council), and lawyer's review of the title and auction terms. This money is spent whether or not you win the auction.

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