| Edinburgh City Council | Scotland | 142 |
| North Ayrshire Council | Scotland | 140 |
| Central Bedfordshire Council | East of England | 108 |
| Glasgow City Council | Scotland | 84 |
| Tower Hamlets London Borough Council | London | 54 |
| Wirral Metropolitan Borough Council | North West | 52 |
| West Sussex County Council | South East | 41 |
| Midlothian Council | Scotland | 40 |
| Braintree District Council | East of England | 32 |
| Pembrokeshire County Council | Wales | 28 |
| Rotherham Metropolitan Borough Council | Yorkshire and the Humber | 27 |
| Renfrewshire Council | Scotland | 26 |
| Kingston upon Thames London Borough Council (likely) | London | 23 |
| Birmingham City Council | West Midlands | 21 |
| Flintshire County Council | Wales | 20 |
| City of Wolverhampton Council | West Midlands | 19 |
| Knowsley Metropolitan Borough Council | North West | 18 |
| Welsh Affairs Committee | Select | 17 |
| Bedford Borough Council | East of England | 17 |
| Stockport Metropolitan Borough Council | North West | 16 |
| Stirling Council | Scotland | 15 |
| Rhondda Cynon Taf County Borough Council | Wales | 15 |
| Argyll and Bute Council | Scotland | 15 |
| Warwickshire County Council | West Midlands | 14 |
| Aberdeen City Council | Scotland | 14 |
| North Lanarkshire Council | Scotland | 12 |
| Staffordshire Moorlands District Council | West Midlands | 12 |
| Dorset Council | South West | 11 |
| Aberdeenshire Council | Scotland | 11 |
| Denbighshire County Council | Wales | 11 |
| Stoke-on-Trent City Council | West Midlands | 10 |
| Powys County Council | Wales | 10 |
| Wrexham County Borough Council | Wales | 10 |
| Bracknell Forest Council | South East | 9 |
| East Sussex County Council | South East | 9 |
| Wandsworth London Borough Council | London | 8 |
| Angus Council | Scotland | 8 |
| East Lothian Council | Scotland | 7 |
| Leicester City Council | East Midlands | 7 |
| South Ayrshire Council | Scotland | 7 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 7 |
| Sheffield City Council | Yorkshire and the Humber | 6 |
| Cardiff Council | Wales | 6 |
| Buckinghamshire Council | South East | 6 |
| Blackburn with Darwen Borough Council | North West | 6 |
| Bath and North East Somerset Council | South West | 5 |
| Cherwell District Council | South East | 5 |
| Doncaster Metropolitan Borough Council | Yorkshire and the Humber | 4 |
| Bradford Metropolitan District Council | Yorkshire and the Humber | 4 |
| Thurrock Council | East of England | 4 |