The inquiry into the Grenfell Tower fire could last years. What have been the most expensive public inquiries in recent times?
| Bloody Sunday | £191.5m, 12.5 years |
| Rosemary Nelson (N Ireland) | £46.5m, 6.5 years |
| Robert Hamill (also NI) | £33m, 7 years |
| Billy Wright (also NI) | £30.5m, 6 years |
| Harold Shipman Inquiry | £21m, 4 years |
| Chilcott Inquiry | £13m, 8 years |
| Leveson Inquiry | £5.4m, 1 year |
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