HMRC tax receipts 2026 reached £322.7bn in total tax and national insurance contributions between April and July, a £19.1bn increase on the same four-month period a year earlier. For investors managing wealth in drawdown or approaching retirement, the figure is more than a fiscal headline: it arrives alongside a series of legislative changes that advisers say will pull considerably more private wealth into the Treasury’s orbit.
What Is Driving the Surge in HMRC Tax Receipts 2026
The rise was largely driven by robust personal and corporate taxation receipts, according to the data from HMRC. Wealth advisers, however, are looking beyond the aggregate figure and focusing on the structural changes that will affect estate planning and capital gains decisions for years to come.
On the inheritance tax (IHT) front, Deloitte notes that from 6 April 2026, HMRC introduces a limit on the value of assets eligible for 100% IHT relief. A combined £2.5 million allowance will attract full relief; anything above that threshold receives only 50% relief. For farming families, business owners and holders of AIM-listed shares who have historically relied on 100% business property relief or agricultural property relief, this represents a material shift in estate-planning arithmetic.
The capital gains tax (CGT) picture is similarly changing. Moore Kingston Smith confirms that the rate on gains qualifying for business assets disposal relief will rise from 14% to 18% in 2026/27. Entrepreneurs and shareholders considering a trade sale will need to factor a higher effective tax cost into their modelling, particularly where a transaction spans a tax year.
Portfolio Implications: Sequencing and Asset Allocation
For those in accumulation phase, with a five-to-ten-year horizon, these changes reinforce the case for reviewing how business or agricultural assets sit within a broader estate plan. The £2.5 million combined relief cap is not a distant concern for owners of modest commercial property portfolios or family farms; it is an active constraint that demands professional advice sooner rather than later.
In drawdown, sequence-of-returns risk compounds the problem. If a retiree holds concentrated positions in assets that formerly attracted 100% IHT relief, realising those assets to rebalance now triggers a CGT conversation at the new, higher rates. There is no clean path; advisers will need to weigh the cost of restructuring now against the potential IHT liability crystallising under the new regime.
The broader backdrop of financial anxiety adds urgency to that review. Research from Handelsbanken Wealth, published as part of its 2026 Wealth Survey, found that one in five UK adults has no financial safety net in place at all. Average financial assets held by UK adults fell by £13,325 over the past year, dropping from £197,106 to £183,781 across cash savings, investments and pensions. The proportion feeling apprehensive about making pension decisions rose from 19% in 2025 to 26%, while unease about investment decisions climbed from 26% to 33% over the same period. Against a backdrop of HMRC tax receipts 2026 running well ahead of last year, those anxieties are grounded in real fiscal pressure.
Richard Flax, chief investment officer at Moneyfarm, offered a pointed observation on the macro context: government bond yields have, in his words, moved ‘relentlessly higher this year’, and ‘the striking feature of that move is how little it seems to care about the economic backdrop.’ For a portfolio designed around capital preservation and income reliability, that environment demands careful attention to duration risk alongside the tax planning decisions outlined above.
The legislative timetable is fixed. The IHT relief cap applies from 6 April 2026, and the revised business assets disposal relief rate is already in force for 2026/27. Investors who have not revisited their estate and capital gains planning in light of these changes have a concrete deadline, not a theoretical one, around which to organise a review.

