The 50/30/20 Budget Rule
The 50/30/20 rule divides your after-tax income into three buckets: 50% for needs, 30% for wants, and 20% for savings and debt repayment.
The Three Buckets
50% Needs: Rent or mortgage, council tax, utilities, groceries, transport to work, minimum debt repayments, insurance.
30% Wants: Eating out, streaming subscriptions, gym, holidays, clothing beyond basics, hobbies.
20% Savings and Debt: Emergency fund, pension top-ups, ISA contributions, debt overpayments.
Example on £2,500 Take-Home
| Category | Budget | Examples |
|---|---|---|
| Needs 50% | £1,250 | Rent £800, food £250, bills £200 |
| Wants 30% | £750 | Dining £150, subscriptions £50, leisure £550 |
| Savings 20% | £500 | ISA £300, emergency fund £200 |
Does It Work in the UK in 2026?
For many people in London and expensive cities, 50% for needs is not realistic. Rent alone can consume 40 to 50% of income. In that case, use 60% needs, 20% wants, 20% savings instead.
The exact percentages matter less than the principle: spend intentionally, save consistently, live within your means.
A budget you stick to is better than a perfect budget you abandon after a week.