Many affluent retirees pay close attention to investment returns. Far fewer give the same attention to the tax leakage quietly reducing their available cash flow.
That is a mistake.
In retirement, tax is not only an annual compliance issue. It is a cash-flow issue. A lifestyle issue. In some cases, a structural issue. And when it is poorly understood, it does not usually reveal itself through one dramatic event. It shows up more quietly, through lower spendable income, unnecessary withdrawals and planning inefficiencies that build over time.
That is why tax deserves far more respect in retirement planning.
Why this blind spot is so common
The problem often starts with a simple assumption: if the portfolio is performing reasonably well, the income plan must be working.
But that can be misleading.
A retiree may focus on gross returns and gross withdrawals while underestimating the effect of tax on net usable cash. Yet retirement is lived after tax, not before it. Two retirees can have similar portfolios and similar income levels on paper, but very different lifestyles in practice because their tax planning is handled differently.
One has an integrated approach. The other deals with tax only after the income decision has already been made.
That second approach is where leakage begins.
The real issue is not tax alone – it is tax plus poor structure
Tax becomes most damaging when it is treated as a separate conversation from retirement income. A retiree increases living annuity income to meet rising expenses, but does not fully assess the tax effect. The gross increase looks helpful, but the improvement in net cash flow is smaller than expected.
Or the retiree sells the wrong discretionary asset for liquidity, triggering a capital gain that could have been managed more carefully.
Or money is held across living annuities, discretionary investments, tax-free structures and sometimes trusts or companies, but the withdrawals are not coordinated properly. The result is unnecessary friction, and over time that friction becomes expensive.
This is why good retirement planning does not ask only, “How much income do you need?” It also asks, “How do we deliver that income in the most efficient way after tax?”
Why current tax relief does not solve the problem
This year’s Budget did provide some welcome relief. National Treasury confirmed that personal income tax brackets and medical tax credits would be fully adjusted for inflation after two years with no inflationary relief, and other tax thresholds and limits were also adjusted.
That is helpful, but it does not remove the deeper retirement challenge.
Inflationary relief in the tax tables can soften pressure at the margin. It does not eliminate the need for active retirement tax planning. A retiree can still lose meaningful cash flow through poor drawdown design, poor asset location, poor timing of disposals and unnecessary structural complexity.
That is the blind spot.
Many retirees assume that if the tax tables have improved, the tax problem is largely under control. In practice, most of the real damage comes from how the retirement income system is designed and maintained.
The living annuity trap retirees often miss
Living annuities create flexibility, but flexibility can disguise tax inefficiency. A retiree may think, “I need more income, so I will simply increase my drawdown.”
That may solve an immediate spending problem, but it can also increase taxable income in a way that weakens net cash flow and puts more long-term pressure on capital.
This matters even more in a South African framework where the legal rules tell you what is allowed, but not what is wise. The South African Revenue Service and Budget 2026 guidance note that a living annuity can now be fully commuted once its value falls below R150 000, up from R125 000, and that the annuitisation de minimis threshold on retirement has increased to R360 000.
Those changes are useful. But they should never be mistaken for a guide to sustainable retirement income. Legal room is not the same as planning discipline.
Capital gains and cash flow do not live in separate worlds
Another common tax blind spot is the assumption that capital gains are somehow separate from retirement cash flow.
They are not.
When liquidity is needed, the choice of which asset to sell matters. A retiree who triggers gains without understanding the broader tax effect may reduce net spendable cash more than necessary.
The decision may still seem manageable in the year it is made, but over time repeated inefficiencies can quietly reduce financial flexibility.
This is one reason why experienced planners look beyond the immediate transaction. The question is not only, “Where can we get the cash?”
It is also, “What does this do to the wider tax position, and is there a better source of liquidity?”
Why estate planning is part of the same problem
Retirement tax planning does not stop at lifetime withdrawals. It is deeply connected to estate planning, liquidity and family continuity. South Africa’s Department of Justice states that a deceased estate must be reported to the Master within 14 days of death.
That may sound administrative, but the planning implication is much bigger.
If tax, liquidity and structure have not been properly coordinated before death or incapacity, families can face delays, confusion and avoidable cash-flow stress at exactly the wrong time. A retirement plan may appear healthy while the main decision-maker is alive, but still prove inefficient or fragile when it matters most.
That is why tax should never be treated as a side issue in retirement. It is part of the broader question of how wealth is converted into usable, sustainable and transferable value.
How experienced planners think differently
Experienced planners usually frame the tax question differently from retirees. Retirees often ask, “How much tax will I pay?”
That is not the wrong question, but it is too narrow.
A better question is: “How do we structure retirement income so that more of my wealth reaches my life and my family with less unnecessary friction?” That immediately improves the quality of planning.
It forces a review of drawdowns, the source of income, capital gains timing, asset location, spouse continuity and estate liquidity. It also reduces the temptation to optimise one part of the plan while quietly weakening another.
That is the real value of integrated financial planning.
The deeper lesson
The tax blind spot is dangerous precisely because it does not usually feel urgent. It quietly turns a seemingly sound retirement plan into a less efficient one. The retiree may not feel the damage in month one. But over years, tax leakage compounds just like returns do, only in the wrong direction.
Retirement cash flow should never be judged by gross income alone. What matters is what remains spendable, sustainable and adaptable after tax. Because in retirement, the question is not what the portfolio earns before tax.
It is what your family gets to keep.
At Ascor Independent Wealth Managers, recognised as South Africa’s FPI Professional Practice of the Year, we help clients build retirement plans that are designed for real-world uncertainty, not just calm-market assumptions. For more insight, visit www.ascor.co.za. Or email info@ascor.co.za. To learn more about the best-selling The Ultimate Guide to Retirement in South Africa, visit www.retirementplanning.co.za.
