The question nobody asks

Most career change articles open with the same line. "Save six months of income first."

Nobody explains where you get six months of income from. Nobody breaks down what the actual costs are. Nobody helps you do the maths. So the advice sounds responsible without ever being useful.

This is the breakdown that should come first. It will not match every situation. It does explain why so many career changes stall at the money question.

What a career change actually costs

The cost is almost never the course. Funded training is free. Self-funded short courses are usually under £500. Loan-funded Level 4 to 6 qualifications run higher but the loan defers payment until you earn over £25,000.

The real cost is in three places.

Lost earnings during transition. If you switch sectors and start a level lower, you might earn less for six to twelve months. That gap is the biggest line in any honest career change budget. It is also the most predictable. You can model it on a single page.

Pension contribution gap. If you leave one employer and join another, the new pension scheme may have a waiting period (often three months) before contributions start. That gap rarely shows up in articles. Over a decade it costs more than most people think.

Hidden costs. Travel to a new workplace. Childcare changes because the hours shifted. The wardrobe refresh you swore you would not do but always do. Allow £1,000 to £2,000 for the first six months.

Add those three and the picture is honest. For most adults changing career inside the UK funded training system, the all-in cost is under £5,000 over the first year. Not £30,000. Not "six months of income". The number is usually small enough to plan for.

The pension question most people miss

By their forties, most UK adults have three to five old pension pots scattered across previous employers. The smallest are often forgotten and quietly losing value to fees.

Before you change jobs is a good time to consolidate them. You can use the government's free Pension Tracing Service to find old pensions you have lost track of, then move them into a single pot with one provider. Providers like Vanguard, PensionBee, and AJ Bell all offer SIPPs (self-invested personal pensions) that take consolidated pots.

Two reasons this matters around a career change.

One: a single consolidated pot is easier to keep contributing to during a transition. If you go self-employed, you can keep paying in. If you take a lower-paid role, you can match the lower contribution rate without losing the old pot's growth.

Two: tax relief on personal contributions still works at 20% basic rate and 40% higher rate. If you are about to drop a tax band, putting some of the higher-earning year's bonus into the pension before the change can be worth four figures in tax relief.

This is not financial advice. It is general information. If your pots add up to more than around £30,000 or you are within ten years of retirement, talk to an independent financial adviser before consolidating. MoneyHelper offers a free service that explains your options and refers you to vetted advisers if you want one.

The 12-month money plan

Months -3 to 0 (still in current job):

Open a separate savings account labelled "career change". Move a fixed amount each payday. Even £200 a month puts £600 in the buffer before you start.

Find and consolidate any small pension pots under £10,000 sitting with old employers. Use the Pension Tracing Service to find ones you have forgotten.

Map the lost-earnings month. If you switch and earn 20% less for six months, what is the total gap? That is your target buffer.

Months 1 to 3 (transition):

Live on the lower side of the income range you mapped. Keep the savings buffer untouched if at all possible. The buffer is for genuine shortfalls, not lifestyle continuity.

Pause the pension contribution rate to the new employer minimum for three months only. Restore it at month four.

Months 4 to 12 (settling):

Restore pension contributions to whatever level you held before.

Top up the career-change buffer back to its starting balance. You used some of it. That is fine. Refilling it is what makes the next change easier.

Run the maths once at month six. If the new role is paying what you expected and the lost-earnings gap was inside the budget, the plan worked. Move on. If not, look honestly at whether the new role is structurally worth less than the old one or whether you can negotiate a step up at the year mark.

Free tools worth using

MoneyHelper. The government's free money guidance service. Pension consolidation, budgeting, debt, scams. Worth using before any paid adviser.

Pension Tracing Service. Free, run by the Department for Work and Pensions. Finds old pension pots from previous employers.

PensionBee, Vanguard, AJ Bell. Three of the cleaner UK SIPP providers if you want to consolidate. Compare their fees, not their marketing.

HMRC Personal Tax Account. Shows your National Insurance record and current tax position. Useful before you make pension or self-employment decisions.

When the maths breaks

Pause the career change if any of these are true.

Your "career change" budget is on a credit card you cannot pay off. Debt with interest is the wrong tool for retraining. Pay it down first, even if it means delaying the change by six months.

Your household relies on your current income to a degree that one missed month would force a house move. Build a deeper buffer first. The training will still be there.

You are within five years of retiring. The maths flips. At that point, holding pension contributions steady is more valuable than chasing a new role unless the new role is materially better paid.

The maths usually works. It tends to look worse on paper than it does in practice, because most career changes pay back faster than the article-writers assume. But the maths still has to be honest before you start.