Will Your Trust Earnings Still Be Taxed at 47%? Understanding Testamentary Trusts & Proposed Changes (2026)

The Hidden Tax Traps in Your Estate Plan: What You’re Not Being Told

Let’s face it: estate planning is about as exciting as watching paint dry. But here’s the kicker—it’s also one of the most critical things you’ll ever do. And yet, buried in the fine print of tax laws are traps that could cost your heirs dearly. Take testamentary trusts, for example. On the surface, they’re a brilliant tool for protecting inheritances from divorce, bankruptcy, and creditors. But dig deeper, and you’ll find a tax minefield that’s anything but straightforward.

The 47% Tax Myth: Why Retained Income Isn’t as Simple as It Sounds

One thing that immediately stands out is the confusion around retained income in trusts. Here’s the deal: income distributed to beneficiaries in a discretionary testamentary trust faces a minimum 30% tax rate under proposed changes. But what about income that stays in the trust? Personally, I think this is where most people get tripped up. The short answer is that retained income is taxed at the top marginal rate—currently 47%. But what many people don’t realize is that this rule applies regardless of whether it’s a family trust or a testamentary trust.

What makes this particularly fascinating is the disconnect between the policy’s intent and its impact. The 30% minimum tax is billed as a way to target wealthy Australians, but in reality, it’s low-income earners who take the hit. If you’re a beneficiary with a tax rate below 30%, you’re out of luck—no refund for you. And if you’re a company beneficiary? Forget it. You get no credit for the tax already paid by the trustee. It’s a classic case of policy looking good on paper but falling apart in practice.

The Valuation Game: Why Timing Matters More Than You Think

Now, let’s talk about asset valuations. If you’re planning to keep assets beyond June 30, 2027, you’ll need a professional valuation. But here’s where it gets tricky: what qualifies as “professional”? From my perspective, the ATO’s self-assessment approach leaves a lot of room for interpretation. A detailed appraisal from a real estate agent might suffice for residential properties, but don’t skimp on documentation. If the ATO comes knocking years later, you’ll want every piece of paper you can find.

A detail that I find especially interesting is the timing. The valuation should reflect the property’s market value as of June 30, 2027, but you don’t need to get it done on that exact day. What this really suggests is that the ATO cares more about accuracy than punctuality. Still, I’d recommend getting it done shortly after the date—better safe than sorry.

Capital Gains Tax: The Six-Year Loophole You Need to Know

If you’re thinking of converting your principal residence into an investment property, the proposed Budget changes might have you worried. But here’s the good news: if you bought the property before May 12, 2026, you’re exempt from the new negative gearing restrictions. What’s more, you can take advantage of the six-year absence rule, which allows you to rent out your property while still treating it as your principal residence for CGT purposes.

In my opinion, this is one of the most underutilized strategies out there. For six years, you could have an investment property that’s eligible for negative gearing benefits and potentially exempt from capital gains tax when you sell. If you take a step back and think about it, that’s a pretty sweet deal. But here’s the catch: you can’t nominate another property as your principal residence during that period. It’s a balancing act, but one that could pay off big time.

Leaving Shares to Your Kids: The Tax-Smart Way

Now, let’s say you want to leave a portfolio of shares to your children. The first question you should ask yourself is: do they even want shares? What many people don’t realize is that cash might be a better option for some heirs, depending on their financial goals. If you’re in retirement and your taxable income is low, consider selling some shares now to realize capital gains at a lower tax rate. You can then leave the proceeds as cash to the child who prefers it.

But if both kids want shares, here’s the silver lining: death doesn’t trigger capital gains tax. The tax liability simply passes to the beneficiaries, who’ll only pay CGT if they sell the shares. This raises a deeper question: why complicate things? If your kids plan to hold the shares long-term, leaving them directly might be the simplest and most tax-effective strategy.

The Bigger Picture: Why Tax Laws Are Like a Game of Whac-A-Mole

If there’s one thing I’ve learned from years of analyzing tax policies, it’s that they’re rarely as straightforward as they seem. What this really suggests is that the system is designed to keep us on our toes. Every change creates new winners and losers, and it’s up to us to navigate the maze.

From my perspective, the key is to stay informed and think critically. Don’t take policy changes at face value—dig into the implications. And most importantly, don’t wait until it’s too late to act. Whether it’s structuring your estate, valuing your assets, or planning for CGT, the devil is in the details.

Final Thoughts: The Art of Navigating Uncertainty

As I wrap this up, I’m reminded of a quote by Benjamin Franklin: ‘In this world, nothing is certain except death and taxes.’ But what he didn’t say is that taxes are far more complicated than death. Personally, I think that’s where the real challenge lies. It’s not just about avoiding traps—it’s about turning them into opportunities.

So, here’s my takeaway: don’t let the complexity paralyze you. Instead, use it as a catalyst to plan smarter. Because at the end of the day, the goal isn’t just to save money—it’s to leave a legacy that lasts. And that, my friends, is worth every ounce of effort.

Will Your Trust Earnings Still Be Taxed at 47%? Understanding Testamentary Trusts & Proposed Changes (2026)

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