League tables
Rankings derived from published UK Housing Ombudsman determinations. They reflect only complaints that reached a formal determination — see the methodology for important caveats.
The worst housing associations in the UK (2026) →
Our flagship league table — most upheld findings and highest maladministration rate.
Worst landlords overall
Ranked by total adverse findings across published determinations.
Most severe maladministration
Ranked by findings of severe maladministration — the most serious outcome.
Highest compensation ordered
Ranked by total compensation the Ombudsman has ordered landlords to pay.
Worst landlords for damp & mould
Ranked by adverse determinations tagged with damp and mould.