Inflation Record£100 in 2004 → Today (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
£185.55
+85.5% cumulative inflation · 2004–2026
Your £100 in 2004 would have the purchasing power of £185.55 in United Kingdom today.
What this means
- Purchasing power: £100 in 2004 had the same average buying power as £185.55 in 2026.
- Price level change: the overall consumer price level rose by 85.5% across this 22-year span; the purchasing power of a pound changed by -46.1%.
- 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 2004 | Worth in 2026 |
|---|---|
| £1 | £1.86 |
| £5 | £9.28 |
| £10 | £18.55 |
| £20 | £37.11 |
| £50 | £92.77 |
| £100 | £185.55 |
| £500 | £927.74 |
| £1,000 | £1,855.49 |
| £10,000 | £18,554.89 |
| £100,000 | £185,548.90 |
Key facts about 2004
- Consumer prices rose 1.3% in 2004 — the 32nd-largest annual increase in the 1988–2026 record.
- Measured by the older RPI instead of CPI, £100 in 2004 would equal £222.29 in 2026 — the two indexes have drifted apart, which is why this site never blends them.
- In the decade after 2004, prices rose 30.6% in total.
£100 in 2004, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2014 | £130.59 | +30.6% |
| 2024 | £174.88 | +74.9% |
| 2026 | £185.55 | +85.5% |
Monthly CPI in 2004
| Period | Index | Change vs same period, prior year |
|---|---|---|
| January | 75.8 | 1.5% |
| February | 76.0 | 1.3% |
| March | 76.1 | 1.1% |
| April | 76.4 | 1.2% |
| May | 76.6 | 1.5% |
| June | 76.6 | 1.6% |
| July | 76.4 | 1.5% |
| August | 76.6 | 1.3% |
| September | 76.7 | 1.1% |
| October | 76.9 | 1.2% |
| November | 77.0 | 1.4% |
| December | 77.4 | 1.6% |
Annual average for 2004: 76.542
Verify this calculation
Series: CPI All items (D7BT), MM23 dataset; base 2015=100; not seasonally adjusted.
Index (2004 annual average): 76.542 · Index (2026 annual average): 142.022 · Ratio: 1.8555
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Office for National Statistics.