Councils collect two big taxes — council tax from households and business rates from firms — and this adds up the share of each left unpaid in the year. Looking at both together filters out one-off flukes in either tax. A small combined gap means the council is good at collecting money generally; a large one points to a council-wide weakness in getting paid.
| name | dual_collection_gap |
|---|---|
| dataset | 03-council-tax-collection |
| kind | constructed |
| type | numeric |
| unit | percentage points |
| grain | billing authority |
| role | outcome |
| source | formula: (100 − ct_collection_rate) + (100 − nndr_collection_rate) (Table_9a col 9, Table_9b col 9) |
| period | 2024-25 financial year |
| missingness | unknown |
| score_note | Robust systemic-weakness flag, yet a pure linear combination of two rates already in the set. |
| peer_group | council class (district / county / unitary / metropolitan / London) — not yet scored on the leaderboard |
Combined in-year leakage across both council tax and business rates. Because it sums the shortfall on two independent tax streams, it is robust to one-off quirks in either and flags councils that are systemically weak at collection. In-year rates understate ultimate collection for both streams.