Best Savings Accounts in NZ 2025 (Highest Interest Rates)

Want to make your money work harder in 2026? With inflation still biting and everyday costs rising, Kiwis are turning to high-interest savings accounts to beat the squeeze. In this guide, we round up the best savings accounts in NZ 2025 (highest interest rates) based on the latest rates, helping you pick one that fits your life—whether you need instant access or can lock away for higher returns.

Why High-Interest Savings Accounts Matter for Kiwis

Savings accounts aren't just for parking cash anymore. In New Zealand, the Reserve Bank (RBNZ) sets the Official Cash Rate (OCR), which influences what banks pay you. As of early 2026, top rates hover around 2-3% p.a. for instant access and notice savers, far better than the 0.01-0.50% from basic transaction accounts.^[1][2] But watch out—many offer bonus rates with conditions like monthly deposits or limited withdrawals. Plus, all eligible accounts are protected up to $100,000 per depositor by the Financial Markets Authority's (FMA) Depositor Compensation Scheme if the bank fails.^[1]

Choosing the right one boosts your nest egg. For example, $10,000 at 2.5% p.a. earns $250 a year—taxed at your PIR (Prescribed Investor Rate) via IRD, but still worthwhile alongside KiwiSaver.^[1]

Top Instant Access Savings Accounts in NZ 2025

These let you withdraw anytime without notice, ideal for emergency funds. Here's the cream of the crop with the highest interest rates.^[1][3]

1. Rabobank PremiumSaver – Up to 2.25% p.a.

Rabobank leads with up to 2.25% p.a. on balances up to $100,000. Base rate: 0.70% p.a., plus 1.55% bonus if you deposit $50+ monthly (excluding interest). Unlimited free withdrawals make it flexible.^[1][3] Perfect for disciplined savers building habits.

2. Heartland Bank Digital Saver – 2.05% p.a.

Heartland's Digital Saver shines at 2.05% p.a. with no minimum deposit, no monthly fees, and unlimited digital withdrawals to any NZ account. Just $10 for staff-assisted ones—stick to online banking to avoid it.^[1][3] Great for everyday Kiwis who bank via app.

3. Kernel Wealth Smart Saver – 1.80% p.a.

Fintech option from Kernel: 1.80% p.a., no fees, instant access via their digital wallet. Funds held securely by an NZ bank—simple for tech-savvy users.^[1][3]

Other Strong Contenders

• ASB Savings Plus: Up to 1.60% p.a. (0.05% base + 1.55% bonus) with one withdrawal on the first of the month.^[1]
• Sharesies Save: 1.60% p.a., no fees but platform charges apply; instant access.^[1]
• BNZ Rapid Save: 1.70% p.a., one free withdrawal monthly ($3 after).^[3]
• The Co-operative Bank Step Saver: Up to 2.00% p.a. (0.55% base + 1.45% bonus) with one withdrawal/month and balance growth.^[1]

Best Notice Saver Accounts for Higher Rates

Trade some access for better returns. Give notice (32-90 days) to withdraw without penalty—these top the highest interest rates for patient savers.^[2][3]

1. Heartland Bank 90 Day Notice Saver – 2.95% p.a.

The standout: 2.95% p.a., no minimum deposit. Ideal if you can plan ahead.^[2][3]

2. Rabobank 60 Day Notice Saver – 2.55% p.a.

2.55% p.a. up to $5 million, $0 minimum—shorter notice than others.^[1][2]

3. Westpac 32 Day Notice Saver – 3.00% p.a.

Quick access at a top 3.00% p.a., no fees.^[1]

More Options

• Kiwibank 90 Day Notice Saver: 2.10% p.a., $2,000 minimum.^[2][3]
• Kiwibank 32 Day Notice Saver: 1.55% p.a.^[1]

Account	Interest Rate (p.a.)	Access Type	Key Conditions	Min Deposit
Rabobank PremiumSaver	Up to 2.25%	Instant	$50+ monthly deposit	$0
Heartland Digital Saver	2.05%	Instant	None (digital)	$0
Heartland 90 Day Notice	2.95%	90 days notice	None	$0
Rabobank 60 Day Notice	2.55%	60 days notice	None	$0
Westpac 32 Day Notice	3.00%	32 days notice	None	$0

How to Pick the Best Savings Account for You

Not all accounts suit every Kiwi. Consider your goals:

Need Instant Access?

Go Rabobank PremiumSaver (up to 2.25%) or Heartland Digital Saver (2.05%)—both high rates without lock-ins, though Rabo needs monthly top-ups.^[1][3]

Maximise Returns with Notice?

Heartland's 2.95% or Westpac's 3.00% for short-notice savers. No conditions, just plan withdrawals.^[2][3]

Beginner or Digital-First?

Heartland Digital Saver: no min deposit, no fees, easy app. Or Kernel for fintech vibes.^[1][3]

Family or Large Balances?

Check Christian Savings (up to 1.60% tiered) or Rabobank (up to $5m).^[1]

Pro tip: Use Canstar or MoneyHub comparison tools, but verify rates directly as they change.^[1][2] Factor in RBNZ's OCR outlook—rates may dip if cuts come.

Practical Tips to Maximise Your Savings in NZ

1. Automate Deposits: Set $20-50/month to hit bonus rates (e.g., Westpac Bonus Saver: up to 1.25%).^[1]
2. Watch Fees: Avoid manual withdrawals ($5-10).^[1]
3. Tax Smarts: Interest is taxable—track via myIR. Consider PIE funds for lower effective tax.^[1]
4. Build an Emergency Fund: Aim for 3-6 months' expenses in instant access before notice savers.
5. Laddering: Split across instant/notice/term deposits (e.g., Kiwibank 12-month at 4.80%).^[7]
6. Review Quarterly: Rates shift—switch if better pops up (most banks allow easy transfers).

Combine with KiwiSaver for long-term growth, but keep short-term cash here.^[6]

FAQ: Common Questions on Best Savings Accounts NZ 2025

What's the highest interest rate available?
Westpac 32 Day Notice Saver at 3.00% p.a., followed by Heartland 90 Day at 2.95% p.a.^[1][2][3]

Are savings accounts safe in NZ?
Yes, up to $100,000 per depositor via the Depositor Compensation Scheme. Stick to RBNZ-regulated banks.^[1]

Do I pay tax on interest?
Yes, at your PIR (10.5-39%). Banks report to IRD automatically.^[1]

Can I have multiple savings accounts?
Absolutely—ladder them for access and rates. No limit, but track for tax.

Are fintechs like Kernel safe?
Funds held by NZ banks, covered by the scheme. Check FMA register.^[1][3]

How often do rates change?
Monthly or with OCR moves. Check bank sites weekly.^[9]

Next Steps to Boost Your Savings Today

Ready to earn more? Compare your current rate, grab your ID for online signup (most take 5 mins), and deposit today. Start with Heartland Digital Saver for no-fuss 2.05%, or Rabobank for 2.25% potential. Track via bank apps, review in three months, and watch your savings grow. Head to bank sites now—rates won't wait!