Failed Campaign and Relisting Cost Calculator
When a property does not sell, almost nobody adds up what actually happened. The agent talks about a fresh approach, a new set of photos and a relaunch, and the conversation moves forward as though the last three months were free. They were not. This calculator puts a number on them. It separates the money that is simply gone, the marketing schedule on the first campaign, which under New Zealand practice is payable whether or not the property sells, from the money the relist is about to cost you, and then adds the quietest expense of all: the weekly cost of continuing to own a house you have already decided to sell. Mortgage interest, council rates, insurance and upkeep keep running for every week the property sits, and over a failed campaign plus a relist that is commonly five or six months. Finally it applies an estimate of the price effect of a high days-on-market count, because buyers who see a listing that has been up since autumn negotiate very differently from buyers who see it in its first fortnight. That last figure is an estimate you control, not a statistic we are asserting, and the page says so plainly. Everything updates instantly as you type. Figures are indicative planning estimates and not advice.
Commission: contingent on a sale, so nothing is payable on a failed campaign. Commission is quoted exclusive of GST as standard New Zealand practice and is charged separately from marketing. The only place commission enters this calculation is as a small offset: a lower sale price produces slightly less commission, which is netted off the gross price penalty.
Agency structures: read from our maintained NZ commission rate file, last researched 27 July 2026. Of the 12 structures in it, 2 is a published rate card (Barfoot & Thompson, Tall Poppy), 1 come from the agency's own website or fee page (Arizto), and 9 are indicative typical NZ patterns rather than published rates. The provenance flag is shown against every agency in the picker. All commission in New Zealand is negotiable, so verify with the office. Where a fixed-fee agency's bands stop below your price, the fee above the top band is negotiated individually and the calculator says so instead of extrapolating.
GST: 15%, per the Goods and Services Tax Act 1985. Added to marketing and other campaign costs when the GST box is ticked, which is the default because agency marketing schedules are commonly quoted GST-exclusive, and always added on top of commission. A private homeowner is not GST registered and cannot recover it.
Holding cost: mortgage interest only, because principal repayments build equity rather than disappearing, plus council rates, insurance and any upkeep you enter. Annual figures are divided by 52.
Default mortgage rate 4.89%: the major bank one-year fixed carded rate at July 2026, with the OCR at 2.25%, per our NZ interest rates reference. Bank specials were lower, around 4.65%, so use your own rate. The $400,000 mortgage balance default is an editable placeholder, not a statistic.
Default council rates $3,386 per year: the average residential rates bill in the Taxpayers' Union Ratepayers' Report 2026, published 4 May 2026, which also recorded a range from $2,554 (Otorohanga District) to $5,591 (Porirua City). See our NZ council rates reference.
Default house insurance $2,949 per year: the national average premium at Q2 2026 per Quashed, published July 2026, with Auckland averaging $2,056 and Wellington $4,492. Regional variation is large, so use your own renewal notice.
Market context: national median sale price $770,000 (up 0.7% year on year) and median Days to Sell 48 days, with total inventory of 34,761 listings (up 7.3% year on year), from the REINZ New Zealand Property Report for June 2026, published 15 July 2026. See our NZ median house prices reference.
Days to Sell is measured from the selling agent's listing date: "Care should be taken with this 'days-to-sell' data, as it is almost always the 'days-to-sell-by-the-selling-agent', and may not be the same as the total time a median house has been listed for sale", interest.co.nz, Days to sell, accessed 27 July 2026. Changing agency restarts the published clock but not the buyer's memory.
Staging and photography (indicative commercial pricing, not official data): full staging of a three-bedroom home commonly runs about $2,000 to $5,000 for a five-week hire, with extensions charged roughly $150 to $350 plus GST per week, and standalone real estate photography starts around $180 with listing packages from about $299, per New Zealand staging and photography company price lists reviewed 27 July 2026. Use your own invoice.
Stale-listing price penalty: there is no published New Zealand data set that fixes a price penalty per extra week or per extra day on market. The 3% default is a clearly labelled editable estimate to be replaced with your own judgement or your agent's evidence, not a measured figure. Treat any source that quotes a precise national figure with suspicion.
Agency agreement rules: "If you sign a sole agency agreement for a term of more than 90 days, either you or the agency can end the agreement after 90 days" and "you can cancel the agreement by 5pm on the first working day after the agent has given you a copy" (section 130 of the Real Estate Agents Act 2008), per Settled.govt.nz, accessed 27 July 2026.
Last verified: 27 July 2026.
| The ledger | Amount |
|---|---|
| First campaign marketing, GST-exclusive | $0.00 |
| Other non-refundable first campaign costs, GST-exclusive | $0.00 |
| GST at 15% on the above | $0.00 |
| Sunk cost of the failed campaign | $0.00 |
| Commission you paid on the failed campaign | $0.00 |
| Second campaign marketing and costs, including GST | $0.00 |
| Weekly holding cost | $0.00 |
| Weeks on and off the market in total | 0 |
| Holding cost across the whole period | $0.00 |
| Total cash cost | $0.00 |
| Gross price penalty at 0.0% (editable estimate) | $0.00 |
| Less commission and GST saved on the lower price | $0.00 |
| Net price penalty | $0.00 |
| What the failed campaign cost you | $0.00 |
| The stricter number: what is genuinely extra versus selling first time | Amount |
|---|---|
| Second campaign marketing and costs, including GST | $0.00 |
| Holding cost for the extra 0 weeks the failure added | $0.00 |
| Net price penalty | $0.00 |
| Incremental cost of the failure | $0.00 |
Two honest ways to count the same event. The first table includes the first campaign's marketing, because it bought nothing. The second table leaves it out, on the basis that you would have paid for one campaign whatever happened, and counts only what the failure added. The first number is what it feels like. The second is what it costs. Use the second when you are deciding what to do next, because the first campaign's money is gone either way.
Estimates only. Commission structures are indicative unless flagged otherwise and every rate in New Zealand is negotiable. The price penalty is your input, not a measured figure. This is not legal, tax or financial advice.
Why Listings Go Stale, Honestly
Almost every unsold campaign in New Zealand has the same cause, and it is not the photography. The asking price, or the expectation communicated at open homes, was above what buyers in that segment were prepared to pay. Everything else is secondary. A property priced at the market attracts enquiry even with an ordinary campaign, because buyers search by price band and a fairly priced house appears in the right one. A property priced above the market can have a beautiful video, a premium portal upgrade and a full page in the local paper and still sit, because buyers are comparing it with better options at the same money.
Over-pricing usually gets set at the listing appraisal, and often by the vendor rather than the agent. A vendor holding three appraisals naturally lists with the agency that quoted the highest number, which gives agents an obvious incentive to quote high to win the listing and work the price down later. If you signed with the agent who told you the biggest number, that is worth thinking about rather than repeating. Other causes are real: a property that does not suit the buyers active in that price band, a method of sale that filtered buyers out, or obvious deferred maintenance that generates objections. But if you had viewings and no offers, the market has already told you what it thinks the property is worth. If you had no viewings at all, it did not even get as far as looking, which is almost always a price-band problem.
The Days On Market Problem
A high days-on-market count is a signal buyers read, and they read it uncharitably. Any buyer searching a suburb for two months recognises a listing they have already seen. The inference is either that something is wrong with the property or that the vendor is now motivated, and both produce a lower opening offer and a harder negotiation. Worse, it removes urgency. Competitive bidding is what lifts a price above the reserve, and a buyer who believes nobody else wants the property has no reason to compete with themselves.
Be careful with the published statistic. The REINZ New Zealand Property Report for June 2026 recorded a national median Days to Sell of 48 days, about seven weeks, but as interest.co.nz notes, that measure is almost always days to sell by the selling agent, counted from the listing date the agent reports. If you withdraw and relist with a different agency, the official clock restarts at zero while the buyer's memory does not. Relisting elsewhere refreshes the listing for buyers who were not searching before, but it does not fool anyone already looking in your street.
What A Failed Campaign Actually Costs
Three separate things, and vendors usually see only the first. Marketing is the visible one. Under standard New Zealand practice the marketing schedule is invoiced separately from commission and is payable regardless of outcome. The Real Estate Authority's consumer site states it without hedging: you will have to pay for the extra marketing even if your property does not sell. The agency's downside on a failed campaign is their time. Yours is cash, gone, with the house still yours and 15% GST on top that you cannot claim back.
The second is holding cost, usually the largest of the three. Every week the property is unsold you pay mortgage interest, a share of council rates, a share of insurance, and whatever it takes to keep a house presented for viewings. That is dead money in a way principal repayments are not, which is why this calculator counts interest only. Across a twelve-week campaign, a month of regrouping and an eight-week relist you carry twenty-four weeks of it, and on ordinary numbers that is over $12,000. Nobody puts it on the marketing schedule.
The third is the price effect, and it is the one people argue about. It is real in the sense that any experienced agent will tell you a fresh listing negotiates better than an old one, but it is not measured. There is no New Zealand data set that says a listing loses a specific percentage per additional week on market, and this page does not pretend otherwise. The 3% default is a placeholder to change; set it to zero and you still see a serious cash number.
Worked New Zealand Example
Nicola and Tane are selling a four-bedroom home in Hamilton. Two agencies appraised it between $780,000 and $840,000; a third suggested $860,000 was achievable, and they listed with that agency at $849,000. Their marketing schedule was $4,200 plus GST, which is $4,830.00. They also staged the house at $3,200 plus GST for a five-week hire and extended it six weeks at $250 plus GST per week, another $1,500 plus GST, so their staging came to $4,700 plus GST, or $5,405.00. Their sunk cost is $4,830.00 plus $5,405.00, which is $10,235.00. Fourteen weeks passed with twenty-one viewings and no written offer.
They withdrew, spent five weeks repainting the hallway and getting new photographs, and relisted with a different agency at a price by negotiation. The second marketing schedule was $2,600 plus GST, or $2,990.00. The second campaign took seven weeks to an unconditional contract.
Their holding cost: a $520,000 mortgage at 4.89% is $25,428.00 of interest a year, which is $489.00 a week. Council rates of $3,600 a year add $69.23, insurance of $2,900 a year adds $55.77, and lawns, cleaning and power add about $40.00. That is $654.00 a week. Over fourteen weeks on market, five weeks off and seven weeks relisted, twenty-six weeks in total, that is $17,004.00. Total cash cost: $10,235.00 plus $2,990.00 plus $17,004.00 = $30,229.00.
Now the price. The honest market value at the outset was around $800,000. They estimate the stale listing cost them 2.5%, which is $20,000.00, and they sold at $780,000, the bottom of the original appraisal range. Because their agency uses a common Waikato tiered structure of 3.95% on the first $400,000 then 2% on the balance plus GST, the lower price also saved them $400.00 of commission, or $460.00 with GST. The net price penalty is $19,540.00.
What the failed campaign cost Nicola and Tane: $30,229.00 plus $19,540.00 = $49,769.00. On the stricter measure, counting only what the failure added rather than a campaign they would have paid for anyway, it is $2,990.00 of second-campaign marketing plus twelve extra weeks of holding at $654.00, which is $7,848.00, plus the $19,540.00 price penalty: $30,378.00. Now look at what they were chasing. Listing at $849,000 against an honest $800,000 meant holding out for about $49,000. The failed campaign cost them $49,769.00. They spent the entire prize, and more, trying to win it.
Your Four Options Now
Reduce the price. The only option that directly addresses the usual cause, and the cheapest and fastest to execute. The awkward part is that a reduction on an already stale listing is itself a signal, so one decisive move to a genuinely competitive number beats a series of small ones, which simply tell buyers to wait for the next cut.
Change the method of sale. Moving from auction to a price by negotiation, or from no price to an asking price, changes who sees the property. Buyers needing finance approval or a conditional offer are excluded by auction terms, and with plenty of stock about they simply go elsewhere. Moving the other way, to a deadline sale, can create the urgency an open-ended listing lacks. Worth doing when the method filtered buyers out, worth nothing when the price was the problem.
Change agency. Reasonable if the campaign was genuinely poor or if you need a salesperson with real depth in your street. It costs a fresh marketing schedule, new photos and time, and it carries the biggest trap on this page. Settled.govt.nz warns that if the first agency has already done work that helps sell the property, such as introducing the buyer who eventually purchases, you may still owe them a commission. Get a written list of every buyer they introduced before you sign anything new. On a $770,000 sale a duplicated commission is over $26,000 including GST, which dwarfs everything else here.
Withdraw and wait. Sometimes correct, particularly if you are not forced to sell, if the market is improving, or if a genuine defect can be fixed properly. It resets the published days-on-market clock and gives buyers time to forget. But the holding cost above keeps running whether or not the property is listed, so work out how many weeks of waiting your hoped-for price improvement actually buys.
On the mechanics: a sole agency agreement running longer than 90 days can be ended by either side after 90 days. You can withdraw the property in writing at any time before a sale goes unconditional, though that ends neither the agreement nor the marketing invoice. Section 130 of the Real Estate Agents Act 2008 also gives a same-week cancellation right if you have only just signed.
Who This Calculator Is For
Anyone in New Zealand whose property has come off the market unsold and is being asked to spend money again. It suits vendors choosing between a price reduction and a relist, owners weighing up a change of agency, executors and trustees who must justify a decision to others, investors carrying a vacant property, and anyone who needs a defensible number for a partner who thinks holding out is free. It is also useful before you list at all: run it as a what-if and the cost of over-pricing becomes concrete.
What This Calculator Assumes
- 15% GST is added to marketing and campaign costs when the GST box is ticked, which is the default because agency marketing schedules are commonly quoted GST-exclusive. GST is always added on top of commission.
- You are not GST registered in respect of the sale, the normal position for someone selling their own home, so GST is a real cost rather than a claimable input.
- No commission was paid on the failed campaign, because commission is contingent on a sale. If your agreement says otherwise, read it again and get advice.
- Holding cost counts mortgage interest only, not principal repayments, plus rates, insurance and the weekly costs you enter.
- The price penalty is your estimate, not a measured figure. No New Zealand data set fixes it. Set it to 0% for the pure cash cost.
- Agency structures come from our maintained NZ commission rate file and most are indicative, not published rate cards. The provenance is shown against each one, and all commission is negotiable.
- No allowance is made for a duplicated commission to a previous agency, capital gains or losses in the wider market over the period, bridging finance costs, or any tax position such as the bright-line test.
- Results are indicative only and do not constitute legal, tax or financial advice.
Related NZ Property Selling Calculators
- Agent Appraisal Reality Check Calculator: test an appraisal against the market before you list, which is where most failed campaigns are actually created.
- Vendor Marketing Spend Break-Even Calculator: how much extra sale price a bigger marketing package has to produce, and how much of it you lose if the campaign fails.
- House Selling Timeline Calculator: realistic week-by-week timeline from listing to settlement, so the holding period on this page is not a guess.
- Sole Agency vs General Listing Calculator: the trade-offs before you sign the second agency agreement, including the 90 day rule.
- Cost of Selling a House Calculator: every cost of a successful sale, with commission, marketing, legal fees and moving in one place.
Official NZ sources
This calculator is built from primary New Zealand sources. Always confirm current figures against the official source for your situation:
- Real Estate Authority, Settled.govt.nz, on signing an agency agreement, the 90 day rule, and paying for marketing even if the property does not sell
- Real Estate Authority, Settled.govt.nz, on what to do when your house is not selling
- New Zealand Legislation, Real Estate Agents Act 2008, section 130, cancelling a sole agency agreement by 5pm the next working day
- REINZ, New Zealand Property Report, median sale price, Days to Sell and inventory
- Reserve Bank of New Zealand, new residential mortgage weighted average interest rates (B30)
- Inland Revenue, GST at 15%, charged on marketing services and on real estate commission
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