If illness stopped your income, how long would your savings last
You probably know roughly what your home is worth. You might also know the balance of your pension or savings account.
But how long could you pay the bills if illness stopped you working?
It is an uncomfortable question, particularly when you feel healthy and life is busy. Yet your earnings help support almost everything else: your home, your family, your retirement savings and the things you enjoy.
When I think about financial planning, I want to understand how those plans would hold together during a difficult period. A useful starting point is to work out how long your household could manage without your usual income.
Start with what your household actually needs
Look through your last three months of bank statements and identify your essential spending.
Include your mortgage or rent, council tax, utilities, food, debt repayments, insurance and any childcare you would still need. Remember annual expenses, such as car insurance, by dividing them into monthly amounts.
Some spending could fall if you were off work. Commuting might cost less, for example. Other costs could increase.
Try to build a realistic budget. Assuming you could immediately cut every non-essential expense may make the figures look reassuring without giving you a workable plan.
Find out what would still come in
If you are employed, check your contract or ask HR exactly what happens during sickness absence. How long would full pay continue? Would it then fall to half pay? Is there an employer income-protection scheme?
Write down the dates when each payment changes.
As at 19 October 2026, eligible employees can receive Statutory Sick Pay of £123.25 a week or 80% of normal weekly earnings, whichever is lower, for up to 28 weeks. That is the statutory provision; your employer may offer more generous contractual sick pay. GOV.UK
SSP eligibility requires employee status. If you work for yourself, do not assume employee sick-pay arrangements apply. Other support may be available, subject to eligibility. GOV.UK
For company directors, I would also ask a practical question: could the business keep generating the money needed to support your household if you were unable to work?
Calculate the monthly gap
Here is a simplified example using fictional figures.
Suppose your essential household spending is £2,800 a month. During a period of illness, your partner’s take-home income and any continuing sick pay provide £1,800.
That leaves a £1,000 monthly shortfall.
If you have £6,000 of accessible savings available specifically for emergencies, those savings could cover that gap for approximately six months.
However, if the remaining income later falls to £1,300, the shortfall becomes £1,500. The same £6,000 would then cover four months.
This ignores interest, inflation and unexpected expenses. Its purpose is to show why the timing of income changes matters.
Do the calculation for your first month off work, then for months three, six and twelve. You may discover that your position changes substantially over time.
Be clear about which savings are available
A savings balance can look healthy while already having several jobs.
Perhaps some is earmarked for a tax bill, a house move or essential repairs. Decide how much you could use without creating another immediate problem.
MoneyHelper suggests three to six months of essential outgoings in an instant-access savings account as a useful emergency-fund rule of thumb. Your own target may need adjusting for your circumstances.
I would also distinguish between money you can access promptly and assets that require time, paperwork or a sale. For this exercise, focus on what would actually be available when the bills arrive.
If your buffer is small, begin with an achievable savings amount. A modest reserve still gives you more breathing space than having nothing set aside.
Understand where insurance might help
Income protection can replace part of your earnings if illness or injury prevents you working, subject to the policy’s terms. Payments usually begin after an agreed waiting period, often called the deferred period.
Check when payments start, how long they can continue, the definition of being unable to work and any exclusions. Coordinate the waiting period with your sick pay and savings.
Critical illness cover works differently: it generally pays a lump sum when a specified condition meets the policy’s definition. It does not cover every illness that could prevent you working.
The useful question is what financial gap remains after allowing for your existing arrangements.
You may already have substantial support through work or enough resources to manage. Equally, a policy bought years ago may deserve a review.
Consider the people around you
If you share finances, work through the figures together.
Could one income cover the essentials? Would the person still working need to reduce their hours to provide care? Are there children or other relatives depending on you?
Avoid treating help from family as guaranteed unless you have discussed it. The same applies to assuming your partner could simply earn more.
These conversations can feel awkward, but they help turn a vague fallback plan into something everyone understands.
Give yourself one practical task this week
Set aside half an hour to gather your essential monthly spending, sick-pay details, accessible savings and existing protection documents.
Calculate the shortfall and identify when it would appear.
If you would like help bringing those pieces together, visit Moneyrocket’s Personalised Advice page. I can help you explore your circumstances and explain the advice process.
This article provides general information, not a personal recommendation. Insurance benefits depend on eligibility, underwriting, exclusions and policy terms. The example is illustrative. Seek regulated advice where you are unsure what is suitable.
Sources checked on 19 October 2026
