Why the three-to-six month rule exists

Most financial crises — job loss, illness, major repair — resolve within three months. Six months provides a significant buffer for harder situations. These figures are based on covering essential costs only — not your full current spending level.

Factors that push your target higher

Self-employment (income can drop to zero). Single income household (no partner's income as backup). Specialist or niche occupation (harder to get another job quickly). Owned property (larger unexpected costs possible). Dependants who cannot work.

Factors that allow a lower starting point

Dual income household (partner's income provides buffer). Generous employer sick pay or redundancy terms. Job in a sector with high demand. Renting (landlord responsible for major repairs).

The minimum viable emergency fund

If the full target feels overwhelming, start with £1,000. This covers the vast majority of common emergencies without going into debt. Build from there.