| Tower Hamlets London Borough Council | London | 162 |
| Lincolnshire County Council | East Midlands | 56 |
| West Sussex County Council | South East | 54 |
| Aberdeen City Council | Scotland | 49 |
| Glasgow City Council | Scotland | 32 |
| Cambridgeshire County Council | East of England | 31 |
| Harrow London Borough Council | London | 31 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 23 |
| Hammersmith & Fulham London Borough Council | London | 22 |
| City of Wolverhampton Council | West Midlands | 20 |
| East Sussex County Council | South East | 19 |
| Nottinghamshire County Council | East Midlands | 19 |
| Shropshire Council | West Midlands | 17 |
| Flintshire County Council | Wales | 17 |
| Newham London Borough Council | London | 17 |
| Ealing London Borough Council | London | 13 |
| City of London Corporation | London | 12 |
| Somerset Council | South West | 12 |
| Surrey County Council | South East | 12 |
| Swansea Council | Wales | 11 |
| Dorset Council | South West | 10 |
| Dumfries and Galloway Council | Scotland | 10 |
| Warwickshire County Council | West Midlands | 9 |
| Highland Council | Scotland | 8 |
| Wirral Metropolitan Borough Council | North West | 8 |
| Leicestershire County Council | East Midlands | 7 |
| Kent County Council | South East | 5 |
| Hillingdon London Borough Council | London | 5 |
| Devon County Council | South West | 4 |
| Isle of Wight Council | South East | 4 |
| Bedford Borough Council | East of England | 4 |
| Carmarthenshire County Council | Wales | 4 |
| Brent London Borough Council | London | 3 |
| Lewisham London Borough Council | London | 3 |
| Wandsworth London Borough Council | London | 3 |
| Falkirk Council | Scotland | 3 |
| Gloucestershire County Council | South West | 2 |
| Dundee City Council | Scotland | 2 |
| Royal Borough of Windsor and Maidenhead | South East | 1 |
| Wiltshire Council | South West | 1 |