| Bournemouth, Christchurch and Poole Council | South West | 26 |
| Wokingham Borough Council | South East | 21 |
| Leeds City Council | Yorkshire and the Humber | 13 |
| Newham London Borough Council | London | 12 |
| Bracknell Forest Council | South East | 12 |
| Cambridgeshire County Council | East of England | 11 |
| Somerset Council | South West | 11 |
| Hillingdon London Borough Council | London | 10 |
| Lincolnshire County Council | East Midlands | 9 |
| Suffolk County Council | East of England | 9 |
| Wiltshire Council | South West | 9 |
| Derby City Council | East Midlands | 8 |
| Surrey County Council | South East | 7 |
| Bristol City Council | South West | 7 |
| Manchester City Council | North West | 7 |
| Bradford Metropolitan District Council | Yorkshire and the Humber | 6 |
| Hampshire County Council | South East | 6 |
| North Northamptonshire Council | East Midlands | 5 |
| Staffordshire County Council | West Midlands | 5 |
| Doncaster Metropolitan Borough Council | Yorkshire and the Humber | 5 |
| Ealing London Borough Council | London | 5 |
| Gloucestershire County Council | South West | 5 |
| Hounslow London Borough Council | London | 4 |
| Hammersmith & Fulham London Borough Council | London | 4 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 4 |
| Stockport Metropolitan Borough Council | North West | 4 |
| North Somerset Council | South West | 3 |
| Luton Borough Council | East of England | 3 |
| Dorset Council | South West | 3 |
| Brighton & Hove City Council | South East | 3 |
| Royal Borough of Kensington and Chelsea | London | 3 |
| City of Wolverhampton Council | West Midlands | 3 |
| St Helens Metropolitan Borough Council | North West | 3 |
| Barnsley Metropolitan Borough Council | Yorkshire and the Humber | 2 |
| Devon County Council | South West | 2 |
| Herefordshire Council | West Midlands | 2 |
| Kent County Council | South East | 2 |
| Medway Council | South East | 2 |
| Portsmouth City Council | South East | 2 |
| Richmond upon Thames London Borough Council | London | 2 |
| Shropshire Council | West Midlands | 2 |
| South Gloucestershire Council | South West | 2 |
| Tameside Metropolitan Borough Council | North West | 2 |
| Walsall Metropolitan Borough Council | West Midlands | 2 |
| City of York Council | Yorkshire and the Humber | 2 |
| North Yorkshire Council | Yorkshire and the Humber | 1 |
| Wirral Metropolitan Borough Council | North West | 1 |
| Southwark London Borough Council | London | 1 |
| Northumberland County Council | North East | 1 |
| North Tyneside Metropolitan Borough Council | North East | 1 |