| Maidstone Borough Council | South East | 19 |
| Falkirk Council | Scotland | 8 |
| Lichfield District Council | West Midlands | 8 |
| Surrey Heath Borough Council | South East | 8 |
| Herefordshire Council | West Midlands | 8 |
| Oxford City Council | South East | 8 |
| East Lindsey District Council | East Midlands | 8 |
| Slough Borough Council | South East | 8 |
| Inverclyde Council | Scotland | 7 |
| Derbyshire Dales District Council | East Midlands | 7 |
| Lincolnshire County Council | East Midlands | 7 |
| Crawley Borough Council | South East | 6 |
| Norwich City Council | East of England | 6 |
| Medway Council | South East | 6 |
| Pembrokeshire County Council | Wales | 6 |
| Elmbridge Borough Council | South East | 6 |
| North Hertfordshire District Council | East of England | 6 |
| Mid Sussex District Council | South East | 6 |
| Rugby Borough Council | West Midlands | 6 |
| Glasgow City Council | Scotland | 6 |
| Derry City and Strabane District Council | Northern Ireland | 6 |
| Newham London Borough Council | London | 6 |
| Derby City Council | East Midlands | 5 |
| Denbighshire County Council | Wales | 5 |
| Darlington Borough Council | North East | 5 |
| Tandridge District Council | South East | 5 |
| Armagh City, Banbridge and Craigavon Borough Council | Northern Ireland | 5 |
| Colchester City Council | East of England | 5 |
| Lewes District and Eastbourne Borough Councils | South East | 5 |
| South Hams and West Devon Councils | South West | 5 |
| Basingstoke and Deane Borough Council | South East | 5 |
| Southend-on-Sea Borough Council | East of England | 5 |
| West Midlands Combined Authority | West Midlands | 5 |
| Leeds City Council | Yorkshire and the Humber | 5 |
| Aberdeen City Council | Scotland | 5 |
| Waverley Borough Council | South East | 5 |
| Ealing London Borough Council | London | 5 |
| Peak District National Park Authority | East Midlands | 4 |
| Cambridgeshire County Council | East of England | 4 |
| Royal Borough of Kensington and Chelsea | London | 4 |
| Tonbridge and Malling Borough Council | South East | 4 |
| Vale of Glamorgan Council | Wales | 4 |
| City of London Corporation | London | 4 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 4 |
| North Devon District Council | South West | 4 |
| East Renfrewshire Council | Scotland | 4 |
| South Lanarkshire Council | Scotland | 4 |
| South Cambridgeshire District Council | East of England | 4 |
| Huntingdonshire District Council | East of England | 4 |
| North Norfolk District Council | East of England | 4 |