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When deciding whether to insure your house and contents with the same insurer or compare them separately in New Zealand, the short answer is: always compare them separately first, but weigh the operational perks of bundling before making your final call.

The traditional advice to automatically bundle your policies for a guaranteed discount has shifted significantly across the New Zealand insurance market.

Key Factors to Consider

1. The Death of the Automatic "Multi-Policy Discount"

For years, major NZ insurers offered blanket multi-policy discounts (typically 10% off) for holding both house and contents. However, major providers—including AMI, State, AA Insurance, Tower, and bank-backed insurers like ASB—have phased out or restructured these broad multi-policy discounts.

• The Reality: Never assume keeping policies under one roof gives you a cheaper base rate. Always run separate quotes across multiple providers to see who actually offers the most competitive pricing for your specific location and risk profile.

2. The "One Event, One Excess" Benefit (The Major Advantage)

While direct price discounts have largely disappeared, keeping your house and contents with the same insurer often unlocks valuable claim-time concessions—most notably the "one event, one excess" policy.

• How it works: If a severe storm, flood, or fire damages both your physical house and your belongings inside, a single-insurer setup usually means you only pay a single excess (whichever is the higher of the two) rather than getting clipped with two separate excess payments.
• The Catch: If your policies are split between two different companies, both insurers will typically enforce their own separate excesses for a joint claim.

3. Underwriting Appetites and Specialization

No single insurance company is the market leader for every type of risk.

• One insurer might offer very competitive house insurance rates for your region, but their contents policy might have restrictive limits on high-value items, portable electronics, or accidental damage.
• Splitting them allows you to pick the best possible policy wording and price point for each asset category.

4. Administrative Simplicity

• Same Insurer: One login, synchronized renewal dates, and a streamlined communication channel if a major claim occurs.
• Separate Insurers: Requires managing multiple renewal notices, different policy wordings, and potentially different customer service workflows during a stressful claims process.

Recommended Action Plan

1. Run Separate Market Quotes First: Use online comparison tools or check directly with 2 or 3 distinct NZ insurers to find the baseline lowest cost for your house insurance and contents insurance independently.
2. Calculate the Total Cost: Add the separate quotes together and compare them against a bundled quote from a single provider. Look at the final dollar amount, not just percentage claims.
3. Check the Fine Print on Excesses: If a bundled option is slightly more expensive than splitting, weigh whether the extra cost is worth the financial safety net of the "one event, one excess" clause.
4. Compare Policy Wordings: Ensure that a cheaper standalone contents policy doesn't sacrifice critical features like temporary accommodation limits or accidental damage cover compared to your house policy.

Would you like to explore what specific policy limits or exclusions you should look out for when comparing house and contents wordings in New Zealand?