Inflation Record£100 in 2025 → 2026 (Year to Date) (United Kingdom)
Official data verified · CPI (ONS) · Annual average · Not seasonally adjusted · Data through September 2026 (fetched 2026-11-02) · CPI All items (D7BT), MM23 dataset
+2.6% cumulative inflation · 2025–2026
Your £100 in 2025 would have the purchasing power of £102.64 in United Kingdom today.
2026 is the current, partial year (through September 2026); the headline conversion therefore compares 2025 with 2026 year-to-date.
What this means
- Purchasing power: £100 in 2025 had the same average buying power as £102.64 in 2026.
- Price level change: the overall consumer price level rose by 2.6% across this 1-year span; the purchasing power of a pound changed by -2.6%.
- This measures the broad basket of consumer goods and services (CPI (ONS)). Individual expenses moved at different rates.
What this means in other amounts
| In 2025 | Worth in 2026 |
|---|---|
| £1 | £1.03 |
| £5 | £5.13 |
| £10 | £10.26 |
| £20 | £20.53 |
| £50 | £51.32 |
| £100 | £102.64 |
| £500 | £513.21 |
| £1,000 | £1,026.42 |
| £10,000 | £10,264.19 |
| £100,000 | £102,641.93 |
Key facts about 2026
- Consumer prices rose 2.6% in 2026 — the 13th-largest annual increase in the 1988–2026 record.
- Measured by the older RPI instead of CPI, £100 in 2026 would equal £100.00 in 2026 — the two indexes have drifted apart, which is why this site never blends them.
Monthly CPI in 2026
| Period | Index | Change vs same period, prior year |
|---|---|---|
| January | 139.5 | 3.0% |
| February | 140.1 | 3.0% |
| March | 141.0 | 3.3% |
| April | 142.1 | 2.8% |
| May | 142.4 | 2.9% |
| June | 142.5 | 2.6% |
| July | 142.9 | 2.8% |
| August | 143.6 | 3.1% |
| September | 144.1 | 3.4% |
Annual average for 2026: 142.022 — partial year (9 months published so far)
Verify this calculation
Series: CPI All items (D7BT), MM23 dataset; base 2015=100; not seasonally adjusted.
Index (2025 annual average): 138.367 · Index (2026 annual average): 142.022 · Ratio: 1.0264
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Office for National Statistics.