Inheritance tax planning often focuses on structures, allowances and long term strategy. It is easy to become absorbed in the technical detail and overlook one of the most practical elements of all. Liquidity. The simple ability to access money at the exact moment it is needed. It is an issue that rarely receives attention, yet it sits at the centre of almost every successful estate plan.
- Estates need cash long before assets can be sold
When someone dies the estate immediately faces costs. Funeral expenses. Professional fees. Property maintenance. Tax liabilities. These arrive long before investments can be encashed or property can be sold. Families often discover that the estate is valuable on paper but has very little accessible cash. That gap creates stress, delays and in some cases forces the sale of assets that were never meant to be sold.
- HMRC expects inheritance tax to be paid even when the estate is illiquid
One of the most overlooked realities of inheritance tax is that HMRC expects payment on time regardless of how liquid the estate is. If the estate includes property, business interests or long term investments, the tax bill may arrive months before those assets can be turned into cash. This can leave families scrambling to find money at short notice. In some cases they may need to borrow or sell assets quickly simply to meet the tax deadline. Liquidity becomes not just helpful but essential.
- Many popular planning strategies reduce liquidity without people realising
Gifting, trusts and long term investment planning can all reduce the amount of cash available when the estate needs it most. These strategies may be effective in reducing the eventual tax bill, but they can also leave families with a short term liquidity problem. It is a tension that is easy to overlook because the focus is usually on the future tax position rather than the practical realities of administering an estate.
Final thought
Liquidity is often treated as an afterthought in inheritance tax planning, yet it is the factor that determines how smoothly an estate can be managed and whether HMRC can be paid on time. It is the difference between a plan that works in theory and a plan that works in real life. In a follow up piece we can explore how liquidity interacts with gifting, trusts and investment choices, and why it deserves far more attention than it usually receives.
Published on: 14.08.2026
Contact: Daniel Sperber at Coleshill Wealth Management
T: 01675 622 445
E: daniel@coleshillwealthmanagement.co.uk
The information contained in this blog is for information purposes only and does not constitute advice. Please seek financial advice before making any decisions. The value of investments can go down as well as up and you may not get back the full amount you invested. Past performance is not a guide to future returns.