Your Progress 0%

Contents Insurance and Underinsurance

📦 What Contents Insurance Covers

Contents insurance covers the things inside your home: furniture, appliances, clothes, electronics, and personal belongings, against events like fire, theft, and many accidents. It is for owners and renters alike, because the house policy, if there is one, does not cover your stuff. The catch most people fall into is underestimating how much their contents are actually worth.

Key Point: Contents insurance covers your belongings, separate from the building. You usually set a sum insured for the total value of your contents, and the most common mistake is setting it too low because people forget how much they own. Add up everything room by room and the figure is often far higher than expected. High-value items like jewellery may need to be listed separately. Renters need contents cover too, since a landlord's policy does not protect their things.

What It Typically Covers

  • Furniture, appliances, and whiteware
  • Electronics and computers
  • Clothes and personal effects
  • Often some cover for items temporarily away from home

Owners and Renters Both Need It

A house policy covers the building, not your belongings. A landlord's policy covers their property, not the tenant's contents. So whether you own or rent, your own things are only protected if you insure them.

🧾 Valuing Your Contents

Go Room by Room

The reliable way to value contents is to walk through each room and total what it would cost to replace everything. People consistently underestimate, because a houseful of ordinary items adds up to a surprising amount.

List the contents of each room and their replacement cost
Include the easy-to-forget: clothes, kitchenware, tools, linen
Add electronics, appliances, and furniture
Total it; the figure is usually higher than you expect

Replacement Cost, Not Second-Hand Value

Most policies are about replacing items with new equivalents, so value what it would cost to buy them again, not what they would fetch second-hand. That difference alone explains a lot of underinsurance.

High-Value Items

Jewellery, art, collectibles, bikes, and similar high-value items often have a per-item limit unless you list them specifically. If you own valuable single items, check whether they need to be named on the policy to be fully covered.

Our Contents Sum Insured Calculator helps you build a room-by-room total.

📉 Why People Underinsure

The Underinsurance Trap

If your sum insured is below the true replacement value, a large claim will not fully cover replacing your contents. People underinsure mainly because they guess low and never update the figure as they accumulate more over the years.

You insured contents for $30,000 years ago
A room-by-room count today is really $55,000
A total loss leaves a $25,000 shortfall
That gap is the cost of an out-of-date figure

It Creeps Up Over Time

Contents grow quietly: new appliances, more electronics, a fuller wardrobe. An accurate figure from five years ago can be well short today, so a periodic review matters.

Count, do not guess: The single best fix for underinsurance is to actually total your contents room by room rather than picking a round number. Most people are surprised how high the real figure is.

💡 Renters and Common Mistakes

Renters Need It Too

Renters often skip contents insurance, assuming the landlord covers things. The landlord covers their building and their property, not your belongings. A fire or burglary could wipe out everything you own with no cover.

Common Mistakes

Mistake 1: Guessing the Sum Insured

A round-number guess is almost always low. Count room by room instead.

Mistake 2: Valuing Second-Hand

Insuring for what items would sell for, rather than cost to replace, leaves a gap on most replacement policies.

Mistake 3: Not Listing High-Value Items

Jewellery and similar may be capped per item unless named. Check the limits.

Mistake 4: Renters Going Without

Assuming the landlord covers your contents is a costly mistake; they do not.

A Simple Approach

1. Count your contents room by room at replacement cost
2. Set the sum insured to that real total
3. List any high-value items that need naming
4. If renting, get your own contents cover
5. Review and update the figure periodically

See our Insurance Basics guide for the fundamentals. Final word: contents insurance protects your belongings, for owners and renters alike, but only if the sum insured reflects their true replacement value. Count room by room, name high-value items, and review the figure as your contents grow. This is general information, not advice; check your policy wording and limits.

🎯 Test Your Knowledge

Quiz on Contents Insurance (20 Questions)

1. Contents insurance covers:
The belongings inside your home
The building structure
The land
Your car only
2. The most common mistake is:
Setting the sum insured too low
Over-insuring massively
Listing too many items
Reading the policy
3. A house policy covers:
The building, not your belongings
Your belongings, not the building
Everything automatically
Nothing
4. Renters need contents insurance because:
The landlord's policy does not cover their things
The landlord covers everything
It is compulsory by law
They own the building
5. The reliable way to value contents is:
Room by room at replacement cost
A quick guess
Whatever the insurer says
Second-hand value only
6. Most policies replace items with:
New equivalents, so value the replacement cost
Second-hand goods only
Cash worth nothing
Nothing
7. High-value items like jewellery:
Often have a per-item limit unless listed
Are always fully covered
Cannot be insured
Are covered by the house policy
8. People underestimate contents because:
A houseful of ordinary items adds up surprisingly
They own very little
Insurers tell them to
Contents are worthless
9. Underinsurance means a large claim:
Will not fully cover replacing your contents
Pays out double
Is free
Covers the building
10. Contents tend to:
Grow quietly over the years
Shrink each year
Stay exactly the same
Disappear
11. The single best fix for underinsurance is:
Counting room by room rather than guessing
Picking a low round number
Cancelling cover
Ignoring it
12. Easy-to-forget contents include:
Clothes, kitchenware, tools, and linen
The building frame
The land
Your mortgage
13. Contents insurance may also cover:
Some items temporarily away from home
The street outside
Your neighbour's house
Nothing outside the room
14. A landlord's policy covers:
Their property, not the tenant's contents
The tenant's belongings
Everything the tenant owns
Nothing
15. Valuing contents at second-hand prices:
Leaves a gap on most replacement policies
Is the correct method
Over-insures you
Has no effect
16. If you own valuable single items, you should:
Check whether they need naming on the policy
Assume they are fully covered
Sell them
Hide them
17. An accurate figure from five years ago is:
Likely well short today
Still perfect
Always too high
Irrelevant
18. A contents calculator helps you:
Build a room-by-room total
Avoid insurance
Insure the building
Pay no premium
19. Renters who skip contents cover risk:
Losing everything they own with no cover
Nothing
A landlord payout
A bigger bond refund
20. The overall message is:
Insure contents at true replacement value, name valuables, and review
Guess a low figure
Renters never need it
Value items second-hand

If you've found a bug, or would like to contact us, or learn more about James Graham and Calculate.co.nz.

Calculate.co.nz is partnered with Interest.co.nz for New Zealand's highest quality calculators and financial analysis.

All calculators and tools are provided for educational and indicative purposes only and do not constitute financial advice.

Calculate.co.nz is proudly part of the Realtor.co.nz group, New Zealand's leading property transaction literacy platform, helping Kiwis understand the home buying and selling process from start to finish. Whether you're a first home buyer navigating your first property purchase, an investor evaluating your next acquisition, or a homeowner planning to sell, Realtor.co.nz provides clear, independent, and trustworthy guidance on every step of the New Zealand property transaction journey.

Calculate.co.nz is also partnered with Health Based Building and Premium Homes to promote informed choices that lead to better long-term outcomes for Kiwi households.

Calculate.co.nz is hosted in Auckland via SiteHost new Zealand.

All content on this website, including calculators, tools, source code, and design, is protected under the Copyright Act 1994 (New Zealand). No part of this site may be reproduced, copied, distributed, stored, or used in any form without prior written permission from the owner.

© 2019 to 2026 Calculate.co.nz. All rights reserved.