Author: Ed Stittle, Chartered Accountant | Specialising in Tapered Annual Allowance & HMRC Disclosures
Last updated: April 2026
High earners across the UK – particularly Finance Directors, NHS consultants, and senior professionals with bonuses or RSUs – are increasingly discovering unexpected pension annual allowance tax charges. Many have unknowingly breached the tapered annual allowance for years, only realising the issue when reviewing old pension statements or receiving an unexpected HMRC nudge.
This real-world-style case study (names and certain details changed for confidentiality) shows exactly how ESDG Accountancy helped a Finance Professional resolve a complex 10-year tapered annual allowance issue through a successful unprompted disclosure to HMRC. It highlights the importance of expert calculations, pension carry forward, penalty mitigation, and practical solutions like Scheme Pays.
Meet Alex Thompson – Finance Director
Alex is a 48-year-old Finance Director at a mid-sized technology company in the South East. With a base salary of £180,000 plus substantial performance bonuses and share options, his adjusted income regularly exceeded £260,000 (and often £360,000+ in peak years).
Like many in his position, Alex had been contributing to his employer’s workplace pension scheme since 2015. The scheme was a defined contribution arrangement with generous employer matching. Alex had transferred the majority of the funds to a SIPP with AJ Bell a few years earlier for greater investment control, but he had made no further contributions into the new arrangement.
Until early 2026, Alex believed his tax affairs were completely up to date and he had always prepared his own Self Assessments by the January deadline each year. Alex thought he had a relatively simple situation, and he had never received a Pension Savings Statement showing an annual allowance breach – or at least, he had never spotted one.
The Discovery – and the Growing Problem
While reviewing his latest pension statement in January 2026, Alex noticed unusually high growth figures and started researching the pension annual allowance on ChatGPT. He quickly realised the tapered annual allowance rules (introduced in 2016/17) had applied to him for nearly a decade:
- Standard allowance: £60,000 (in recent years)
- Tapered down to as low as £10,000 when adjusted income exceeded £260,000
- Threshold income test also triggered in most years
Worse still, Alex had never reported any annual allowance charge on a tax return. The potential liability (tax at up to 45% plus penalties and interest) looked like it could run well into six figures.
Panicked but proactive, Alex contacted ESDG Accountancy the same week he became aware of the issue.
Our Approach: A Full Unprompted Disclosure with Carry-Forward Optimisation
We immediately took Alex through our proven three-step process for historic pension annual allowance tax charge cases:
- Comprehensive Year-by-Year Calculations (2016/17 – 2025/26)
We requested pension statements, P60s, and tax return data, then rebuilt every tax year using the correct historic tapered annual allowance thresholds and tax rates. We calculated pension carry forward from the three previous years in each period. Even where the tapered allowance applied, unused allowance from earlier years (before Alex’s income had fully tapered) significantly reduced or eliminated the charge in several years. - Unprompted Disclosure to HMRC We notified HMRC of Alex’s intention to make a full voluntary disclosure within days. This gave us the 90-day window to submit detailed calculations, explanatory narrative, and supporting evidence. Because Alex came forward immediately upon discovery and other factors relevant to his unique situation, we were able to argue strongly for the lowest possible penalty band.
- Penalty Mitigation & Scope Limitation HMRC accepted our position that only the most recent years were within the normal collection window for this type of disclosure. We successfully negotiated a low penalty rate across the liable years – a significant reduction from the potential 30%+ that applies in less cooperative cases. We also advised on Scheme Pays elections for earlier years where the original workplace pension scheme was still willing to pay the charge directly (despite the partial transfer to AJ Bell). This preserved Alex’s cash flow.
Throughout the process we kept Alex fully informed. The entire disclosure package was submitted just three weeks into the 90-day deadline from initial HMRC notification, and we handled two rounds of HMRC queries maintaining our fixed fee quotation.
Going forward, Alex intends to retain us as his advisor in order to help facilitate calculation of an tapered annual allowance charge and facilitate a scheme pays election on his tax return in future years.
The Results – Peace of Mind and Substantial Savings
HMRC accepted the disclosure in full within five months. The final position:
- Tax charge limited to only the most recent tax years.
- Total tax liability: significantly lower than Alex had feared thanks to optimised carry forward.
- Low Penalty – a fraction of what a prompted or non-disclosed case would have attracted.
- Interest charged only on the net amounts due.
- Full Scheme Pays election accepted for two years, meaning the pension scheme covered a large portion of the bill.
- Ongoing Self Assessment now in place for 2025/26 and future years to prevent any recurrence.
Alex described the outcome as “a huge weight lifted”. He avoided a potential six-figure bill and now has complete certainty that his pension tax affairs are fully compliant.
Key Lessons for High Earners
- The tapered annual allowance has caught thousands of professionals who never received a Pension Savings Statement or who stopped filing Self Assessments.
- Carry forward is one of the most powerful (and under-used) tools to reduce or eliminate charges – but it must be calculated correctly each year.
- Acting quickly with an unprompted disclosure is the single best way to minimise penalties.
- Even after transferring pensions to a SIPP, the original scheme may still assist with Scheme Pays for historic charges.
- Professional help pays for itself when the calculations span a decade of changing rules.
Does This Sound Familiar?
If you are a high earner (or suspect you may have exceeded the tapered annual allowance in recent years), you do not need to wait for HMRC to contact you. If you have a professional job – perhaps in a regulated sector where you are concerned about your position – we would be very happy to have a confidential discussion with you about how to best take corrective action.
At ESDG Accountancy we regularly prepare pension annual allowance disclosures, carry forward optimisation, Scheme Pays elections, and ongoing Self Assessment support for professionals like C-Suite Directors, Solicitors, Banking professionals, Doctors, and senior executives.
Complete our contact form today and we’ll give you a clear indication of whether you have an issue – and exactly what it would cost to resolve it with confidence.
Contact us now via our enquiry form below, or call our Blackheath, London Office 020 1234 5678.
