RPI inflation, 2025 to July 2026

£100 in 2025 is £104 today

That £100 bought 59 first-class stamps in 2025. Today it buys 56.

Prices up 4%2.7% a year on averageMultiply by 1.04

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

£1 in 2025£1.04 today
It takes 1.0 of today's pounds to match one from 2025
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What £100 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.

Item2025Today
first-class stamps£1.70 then, £1.80 today5956
Same money, adjusted for inflation£100£104

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
£272,378 → £278,784
Up 1.0×, against 1.0× for prices generally
Average pay
£37,856 → £39,260
A year's average earnings, up 1.0×
Years of pay for a house
7.2 → 7.1
Average house price divided by average annual pay
If it had tracked wages
£104
What £100 in 2025 would be today if it had grown with pay rather than prices