The income was strong. The pension contributions were regular. The tax bill, when it arrived, was neither.
The Scenario
You have been at the Bar for fourteen years. The practice has built steadily, and in recent years the instructions have been consistent enough that the income is no longer the source of anxiety it was in the early years. You have a pension, because your clerk recommended it firmly and you followed the advice. You contribute regularly. You assumed, in the way that busy professionals often assume things about their tax affairs, that the contributions were straightforwardly beneficial and that the annual allowance was something that applied to other people.
Then the Self Assessment return for the previous year arrived on your desk, and the figure at the bottom was considerably larger than you expected. Your accountant at the time explained that the pension annual allowance had been tapered, and that you owed a charge. You understood the words individually. You did not understand the mechanism, the trajectory, or what to do about it.
What you wanted was a clear explanation of how you had arrived here and a plan for not arriving here again.
At a Glance
- Client profile: Self-employed barrister in independent practice, Richmond, fourteen years at the Bar, income through chambers
- Situation: Unexpected annual allowance charge on Self Assessment return; pension contributions continuing at a level that exceeded the tapered allowance
- Core issue: Adjusted income above the taper threshold; pension contributions not reviewed against the tapered allowance; no tax reserve account in place
- Cause: Chambers income timing creates difficulty in forecasting the year’s final position; taper mechanics not previously explained; no forward modelling of pension position
- Resolution: Full taper calculation for current and prior year, carry-forward review, restructured pension contribution timing, tax reserve account established, payments on account adjusted
- Outcome: No annual allowance charge arose in the following year; tax reserve built to cover the next six months of expected Self Assessment liabilities; pension contribution strategy aligned to the tapered allowance
Why the pension annual allowance taper catches professionals by surprise
For the 2025/26 and 2026/27 tax years, the standard annual allowance for pension contributions is £60,000. The taper reduces that allowance progressively for individuals whose income crosses certain thresholds, and at its most severe it reduces the allowance to £10,000. The mechanism is straightforward in principle. In practice, it is consistently one of the most misunderstood features of the tax system among high-earning professionals.
The taper operates on the basis of two income measures. Threshold income is broadly your taxable income from all sources, adjusted for certain pension contributions and specific reliefs. Adjusted income is a broader measure that brings pension inputs back into the calculation, so it can be higher than the income figure a self-employed professional naturally thinks of as their earnings. Where threshold income exceeds £200,000 and adjusted income exceeds £260,000, the taper applies. For every £2 of adjusted income above £260,000, the annual allowance reduces by £1, down to the £10,000 minimum.
For a barrister with a strong practice and regular pension contributions, these thresholds are not remote.
The reason the taper catches people unawares is partly about income structure and partly about timing. The timing of receipts through chambers can make cashflow planning difficult, even where taxable profits are calculated through the year-end accounts. The practical issue is that the barrister may not have a reliable picture of the year’s final income and tax exposure until the records are reconciled after the year end. A year in which several substantial instructions are delivered and billed in the same quarter can push the annual income figure into taper territory without any clear signal during the year that this is happening. By the time the annual return is prepared, the contributions have already been made and the charge is already crystallised.
The wider context of personal tax complexity for high earners in this position is addressed in our related article Key Factors Affecting Richmond Businesses and Taxpayers in 2026. Pension taper is one element of a broader picture in which the interaction of multiple tax rules produces outcomes that no single rule, taken in isolation, would obviously suggest.
Why chambers income timing makes this more complex
Most employed professionals have a relatively clear view of their annual income by the end of the tax year, because it appears on a P60 and the employer has been deducting tax monthly throughout the year. A self-employed barrister’s income is structurally different. Income flows through chambers from instructing solicitors, with payment terms that can extend to sixty days or beyond. The timing of when income is received is not fully within the barrister’s control, and the aggregate for a tax year is not always visible until the records are reconciled after the year end.
This creates a specific problem for taper planning.
If you do not know with reasonable precision what your income for the year will be until after the year has ended, it is genuinely difficult to manage pension contributions in real time against a threshold that depends on that income figure. A year that looks like it will come in just below the taper threshold can, through a cluster of late receipts arriving in February and March, cross it. The pension contributions made in anticipation of a full £60,000 allowance have already gone in. The taper means only £40,000 or £30,000 of them qualified. The resulting charge appears on the Self Assessment return months later.
The practical response to this timing challenge is not to stop making pension contributions. It is to build a running income estimate that is updated quarterly, to model the taper position against that estimate, and to stage contributions in a way that allows them to be adjusted before the year end if the income trajectory suggests the threshold will be crossed.
“Barristers often tell us they are uncomfortable making assumptions about their annual income because it feels like counting chickens. That instinct is commercially sensible, but it creates a tax planning problem. We work with clients in this position to build a range of scenarios rather than a single estimate, which gives them enough visibility to manage the taper without committing to a precise income forecast they cannot stand behind.”
How the scenario unfolded
The case described here is drawn from composite client experience. The details reflect patterns we encounter regularly among self-employed barristers and other professionals in independent practice in the Richmond and south-west London area.
The barrister in question practised in commercial chancery work and had been making pension contributions of £48,000 per year for the previous three years. The contributions had been set at that level on the basis of advice given when income was in the low £200,000s, at which point the full annual allowance was available and the contributions were straightforwardly efficient.
In the year in question, a combination of a significant brief completing earlier than expected and the resolution of two long-running matters pushed total income to approximately £340,000. At that level, the taper calculation produced the following position:
This was the position before considering unused allowance from earlier years.
The charge of £12,600 arrived in a Self Assessment return that also carried a higher-than-expected payments on account requirement, because the prior year’s tax had been calculated on a lower income figure. The combined demand, including the balancing payment for the prior year and the first payment on account for the current year, was considerably larger than any single tax bill previously received.
When this situation was brought to our personal tax planning team, the charge had already been paid. The immediate question was not how to recover it but how to ensure it did not recur, and how to restructure matters so that a similar combination of events in a future year produced a manageable rather than a destabilising outcome.
“The charge itself, once explained, was understandable. What was harder was the sense of having been doing the right things, contributing to a pension, paying tax on time, and still ending up with a bill that was not anticipated. The planning work was as much about restoring a sense of control as it was about the numbers.”
What the process involved
The first piece of work was a full reconstruction of the prior year taper position, to confirm that the charge had been calculated correctly and that no carry-forward allowance from earlier years had been overlooked. Unused annual allowance can be carried forward for three years, and where a client has not crossed the taper threshold in prior years, the carry-forward can meaningfully increase the available allowance in a higher-income year.
In this case, carry-forward was available from two earlier years in which contributions had been below the full allowance. Applying the carry-forward reduced the charge, and a repayment claim of approximately £4,000 was submitted.
The second piece of work was a tax reserve account.
A separate current account, maintained specifically as a tax reserve, was established with a target balance built to cover the next six months of expected Self Assessment liabilities. Each month, a standing transfer moved a fixed amount from the practice receipts account into the reserve. The amount was calculated on the basis of estimated quarterly income, updated each quarter as the actual receipts became clearer. The reserve account was not touched for any purpose other than tax payments, and the balance was reviewed at each quarterly update.
The third piece of work was a restructured pension contribution schedule. Rather than a fixed annual contribution paid in a single transaction, contributions were staged across the year in four payments, with the fourth deferred until February. By February, the income for the year was sufficiently clear to allow the contribution to be calibrated against the tapered allowance with reasonable confidence. In years where income was tracking well above the taper threshold, the fourth contribution was reduced or deferred into the following tax year entirely.
The fourth piece of work was a review of the payments on account schedule. Payments on account are normally based on the previous year’s Self Assessment liability, with each instalment usually set at 50 per cent of that amount. This means that a year of unusually high income produces elevated payments on account in the following year, compounding the cashflow impact. A claim to reduce payments on account was submitted in the year following the high-income year, based on a realistic estimate of income for that year. This reduced the January payment on account materially and smoothed the cashflow profile across the two years.
What changed afterwards
In the following tax year, with the staged contribution approach in place and a clearer income picture by February, the first three staged contributions totalled £24,000. By February, the income estimate for the year indicated a tapered annual allowance of £36,000. A final contribution of £12,000 was made, bringing total contributions to £36,000. That figure sat within the available allowance, and no annual allowance charge arose.
More significantly, the quarterly income review was now in place. The estimate was updated in October, January, and April, and the pension contribution and reserve transfer amounts were adjusted accordingly. The planning that had previously happened once a year, too late to influence the outcome, now happened four times a year, early enough to shape it.
In our related article Why March 2026 Feels Different for Richmond Business Owners, we explore the broader environment in which these planning decisions now sit. Fiscal drag, frozen thresholds, and the interaction of multiple income-related restrictions have made the personal tax position of high-earning professionals considerably more complex than it was five years ago. Quarterly planning, rather than annual compliance, is the appropriate response to that complexity.
Frequently asked questions
What is the pension annual allowance taper?
The annual allowance taper reduces the maximum pension contribution eligible for tax relief for individuals whose income crosses certain thresholds. Where threshold income exceeds £200,000 and adjusted income exceeds £260,000, the standard annual allowance is reduced by £1 for every £2 of adjusted income above £260,000, to a minimum of £10,000. The taper applies to individuals regardless of whether they are employed, self-employed, or in partnership.
What is the difference between threshold income and adjusted income?
Threshold income is broadly your taxable income from all sources, adjusted for certain pension contributions and specific reliefs. Adjusted income is a broader measure that takes account of pension inputs, including employer contributions and certain personal pension contribution adjustments. The exact calculation depends on how contributions are made, and for self-employed professionals it needs careful treatment because contribution method and taxable profits both matter. Both thresholds must be exceeded for the taper to apply.
Can I carry forward unused pension annual allowance?
Yes. Unused annual allowance can be carried forward from the three preceding tax years, provided you were a member of a registered pension scheme in each of those years. The carry-forward is used after the current year’s allowance is exhausted, and it can meaningfully increase the amount you can contribute in a higher-income year without triggering an annual allowance charge. In a year where the tapered allowance is unexpectedly low, carry-forward can reduce or eliminate the charge on contributions already made.
What is an annual allowance charge and how is it taxed?
An annual allowance charge arises when total pension contributions in a tax year exceed the annual allowance including any carry-forward. The charge is calculated at the individual’s marginal rate of income tax, which for a higher or additional rate taxpayer means 40 or 45 per cent of the excess. The charge is reported on the Self Assessment return and paid as part of the balancing payment. In some cases it is possible to ask the pension scheme to pay the charge directly from the pension pot, known as scheme pays, which may be preferable if the cashflow impact of paying it personally is significant.
What is a tax reserve account and how does it work?
A tax reserve account is a separate bank account maintained solely for the purpose of accumulating funds to meet tax liabilities. A regular transfer, typically monthly or quarterly, moves an estimated proportion of income into the reserve, based on a running calculation of the expected tax liability for the year. The reserve is not used for any other purpose, and the balance is reviewed and adjusted as the income picture becomes clearer. For a self-employed professional with variable income and significant payments on account, a reserve account removes the cashflow anxiety that accompanies large tax payment dates.
Can I reduce my payments on account if my income falls?
Yes. HMRC allows a claim to reduce payments on account where you believe the current year’s tax liability will be lower than the prior year on which the payments on account are based. The claim is made through Self Assessment and reduces both the January and July payments proportionally. If the reduction is made in good faith on the basis of a reasonable estimate, the main risk of reducing too far is interest on the underpaid amount rather than a penalty. Deliberately understating the claim is a different matter.
How should a barrister plan pension contributions when income is variable?
The most practical approach for a barrister with variable chambers income is to stage contributions across the year rather than making a single annual payment, and to defer the final contribution until the income picture for the year is sufficiently clear to allow an informed decision. Where income is tracking significantly above the taper thresholds, the final contribution can be reduced or deferred into the following year, where it may attract a higher allowance if income falls back. Quarterly income estimates, updated as receipts become clearer, provide the basis for this planning.
Is there a minimum pension contribution I must make to avoid losing carry-forward?
No minimum contribution is required to preserve carry-forward entitlement. You simply need to have been a member of a registered pension scheme in each year for which carry-forward is claimed. Making no contribution in a year does not lose the entitlement to carry forward that year’s unused allowance, provided membership of the scheme is maintained. This is worth confirming with your pension provider, as some schemes have minimum contribution requirements that are separate from the HMRC carry-forward rules.
If this feels familiar
If you are in independent practice and your income has been rising, the interaction of the pension annual allowance taper with your chambers receipt timing is worth examining before it produces a charge rather than after. The planning is not complicated once the mechanism is understood, but it requires a current picture of your income position rather than a historical one.
Our personal tax planning team works with barristers, solicitors, medical practitioners, and other professionals in independent practice across Richmond and south-west London. If you would like to understand your current taper position and what can be done about it, we are happy to have that conversation.
About the author
Donovan Crutchfield, ACA – Area Managing Partner, Xeinadin Richmond.
Connect with Donovan on LinkedIn.
Donovan works with owner-managed businesses and private individuals across Richmond-upon-Thames and the wider South West London catchment. His practice includes a significant number of professionals in independent practice navigating the personal tax complexity that comes with strong but variable earnings.
This case study is based on composite client experience and does not represent any single individual. All identifying details have been changed. The information provided is for general guidance only and should not be treated as a substitute for professional tax advice specific to your circumstances.
