How often does the ombudsman find against Hillingdon council?
In 2025-26 the ombudsman decided 171 complaints and enquiries about Hillingdon council, investigated 25 and upheld 20. That's an uphold rate of 80%, against 88% for similar councils. Per 100,000 residents that's 6.1 upheld, against 10.2 for similar councils. It had already put things right in 5% of upheld cases, against 14% for similar councils. Told to put things right, it did in 100% of 20 cases, 10 on time.