House insurance is not about the land

Is your home insured correctly? Have you insured your house for what you paid for it, what you think the market value is, or what the Government Valuation says? If you did, then you most likely are overpaying your premium.

Check the number you are actually insuring

Is your home insured correctly? Have you insured your house for what you paid for it, what you think the market value is, or what the Government Valuation says? If you did, then you most likely are overpaying your premium. Home insurance should not include your land value, because the insurer does not pay to replace the land if the house is damaged or destroyed.

That is the key mistake many homeowners make. A section in Christchurch or anywhere else in New Zealand can be a major part of the property’s total value, but it is not part of the rebuild cost. Insurance is there to cover the cost of rebuilding the house itself, plus related costs that sit around that rebuild, not the value of the dirt under it. If you insure the whole property value, you are likely paying for cover you will never get paid out for.

This is not a small issue. We spoke to one potential client recently who was insured elsewhere but paying premiums on $1,200,000 land value. His premiums were actually double what they should be. That is the sort of error that can sit unnoticed for years, especially when the house and land are bundled together in conversation and people assume the insurance should match the sale price.

Why market value and rebuild cost are different

Most people talk about their home in terms of market value, because that is how property is bought and sold. But insurers do not insure your home on a resale basis. They insure it on a rebuild basis. Those are two very different numbers.

Market value reflects what a buyer might pay for the property as a whole. Rebuild cost reflects what it would take to recreate the home after a loss. That rebuild figure usually depends on the house itself, the materials used, the floor area, the design, the site access, and the amount of work needed to clear the site and start again. The land is still there after a fire, storm, or other insured event, so it should not be in the sum insured for the building.

In New Zealand, the rebuild cost can also be affected by things a homeowner may not think about straight away. A simple single-level home is usually easier to assess than a house with difficult access, special cladding, slopes, retaining walls, or custom features. Homes in Christchurch and across the country can also face different rebuild conditions depending on labour availability, the local building market, and the standard of finish required to replace what was lost. That is why a generic figure pulled from a property estimate is not enough on its own.

The danger of over-insuring

Over-insuring is common because people are trying to be careful. They think, if anything, it is safer to be generous with the insured amount. But with house insurance, too high can be just as wasteful as too low.

If you insure the wrong thing, you can end up paying a premium that is larger than it needs to be for years. The claim outcome does not improve just because the sum insured was inflated by land value. You still only get paid for the insured loss, not the value of the section. That means extra premium can go straight out the door without giving you useful protection.

The example above is a good warning. A policy based on $1,200,000 land value does not protect the land, and if that figure is sitting inside the building sum insured, it can push the premium up sharply. In plain terms, you may be paying for cover that cannot ever be claimed.

Over-insuring can also hide the real question. If the total number feels comforting, it can distract from whether the rebuild cost itself has been checked properly. A house that is insured for too much in the wrong way can still be uninsured in the way that matters.

The danger of under-insuring

The opposite problem is just as serious. Do not be at risk of under-insuring your house and getting a shock at claim time.

If the sum insured is too low, there may not be enough money to rebuild the home to a similar standard after a major loss. That can leave owners having to find a shortfall at exactly the moment they are dealing with disruption, stress, and housing costs. For many families, that is when the insurance is most needed.

Under-insuring can happen when people have not reviewed their policy for a few years, or when they have relied on a rough estimate made when they first bought the property. Building costs change. House alterations change the rebuild amount. Even small renovations can move the number more than people expect. A new kitchen, an added bedroom, a larger deck, a garage conversion, or a more complex layout can all alter what it takes to rebuild.

There is also a practical point. Many homeowners do not keep a detailed record of what is actually in their policy. They might know the monthly payment, but not whether the building sum insured is up to date. That is where mistakes happen. A policy can look fine until there is a loss, and then the gap becomes very real.

What a proper rebuild check needs to consider

A proper rebuild check is not the same as a quick online guess. It should look at the home as a rebuild project, not as a real estate listing. That means taking into account the structure, the size, and the features of the house, then translating that into a realistic replacement cost.

A useful check usually considers:

• the home’s construction type and finish
• the floor area and number of storeys
• site access and location factors
• special features that add cost to rebuilding
• any recent renovations or extensions
• whether the current sum insured still makes sense

This is where many owners struggle on their own. A homeowner can usually tell you what they paid for the property. They can often give an opinion on what it might sell for today. But working out the rebuild cost is different. It requires a more careful method, because the answer is not found in the sale price or the council valuation.

That is why a house can be under-insured even when the owner feels confident they have “allowed enough.” The number has to be tied to rebuild reality, not just property value.

Why Smiths can do more than a quick estimate

Let us accurately check what the rebuild cost of your Home is by using our in-house calculation tool.

That matters because a proper calculation is more than a rough rule of thumb. Smiths can look at the insurance problem the way the insurer does, which helps identify whether the current cover is too high, too low, or about right. A homeowner cannot easily do that alone unless they know how to separate land value from rebuild value and assess the home in a way that reflects how insurers price risk.

An adviser with access to a panel of insurers can also help because there is no need to rely on one insurer’s wording or one generic online estimate. The aim is to match the cover to the house itself. That can reduce the chance of paying too much for the wrong figure, and it can also reduce the chance of discovering too late that the home was insured too low.

For many people, the most useful outcome is clarity. Once the rebuild figure is checked properly, the policy becomes easier to understand. The homeowner knows what is being covered and why. That makes renewal decisions simpler and gives a better basis for comparing quotes.

A better way to think about house insurance

House insurance is not a property sale price policy. It is a rebuild policy. That single idea explains why so many premiums are wrong. If you use the full property value, you risk including land, and that can mean paying too much. If you guess too low, you risk a painful shortfall later.

The safer approach is to check the rebuild cost carefully and keep it current. That is especially important after renovations, extensions, or any change to the home that affects what it would cost to rebuild. It is also worth checking again when a policy renews, because what was right a few years ago may not be right now.

If you want a clear answer, Smiths can review your house insurance and check the rebuild cost using an in-house calculation tool. There is no obligation, just a practical review so you know whether you are paying for the right number.