RPI inflation, 1978 to July 2026

£1.00 in 1978 is £8.40 today

That £1.00 bought 2.1 kg of bananas in 1978. Today it buys 0.92.

Prices up 740%4.5% a year on averageMultiply by 8.40

Measured with the Retail Prices Index, the only official series that runs back to 1948. Use CPI instead.

£1 in 1978£8.40 today
It takes 8.4 of today's pounds to match one from 1978
The card that appears when you share this link

What £1.00 buys

Official average shop prices, not a basket. Things marked as outrunning inflation got dearer faster than everything else; things that lagged got relatively cheaper.

Item1978Today
kg of bananaslagged inflation48p then, about £1.09 today2.10.92
first-class stampsoutran inflation7p then, £1.80 today140.56
kg of roasting chickenlagged inflation£1.18 then, about £4.04 today0.850.25
dozen eggslagged inflation47p then, about £2.38 today2.10.42
kg of rump steaklagged inflation£3.95 then, about £20.21 today0.250.05
pints of milklagged inflation13p then, about 70p today7.61.4
sliced white loaveslagged inflation26p then, about £1.50 today3.80.67
Same money, adjusted for inflation£1.00£8.40

The ONS stopped publishing these average prices in January 2025. Today's figures are that last reading moved on with inflation, so treat them as close rather than exact.

Houses and wages

Inflation is one story. What people earned, and what a home cost, are the other two.

Average house
£15,261 → £278,784
Up 18.3×, against 8.4× for prices generally
Average pay
£3,073 → £39,260
A year's average earnings, up 12.8×
Years of pay for a house
5.0 → 7.1
Average house price divided by average annual pay
If it had tracked wages
£12.77
What £1.00 in 1978 would be today if it had grown with pay rather than prices