| Southwark London Borough Council | London | 10 |
| Bedford Borough Council | East of England | 10 |
| Solihull Metropolitan Borough Council | West Midlands | 10 |
| Worcester City Council | West Midlands | 8 |
| Flintshire County Council | Wales | 8 |
| Cambridge City Council | East of England | 7 |
| Tower Hamlets London Borough Council | London | 7 |
| North Ayrshire Council | Scotland | 7 |
| Leeds City Council | Yorkshire and the Humber | 7 |
| Gloucestershire County Council | South West | 6 |
| Braintree District Council | East of England | 6 |
| Woking Borough Council | South East | 5 |
| Buckinghamshire Council | South East | 4 |
| Fingal County Council | Ireland | 4 |
| West Lindsey District Council | East Midlands | 4 |
| Hammersmith & Fulham London Borough Council | London | 3 |
| Hounslow London Borough Council | London | 3 |
| City of London Corporation | London | 3 |
| Lincolnshire County Council | East Midlands | 3 |
| South Lanarkshire Council | Scotland | 3 |
| Cardiff Council | Wales | 3 |
| Oxford City Council | South East | 3 |
| Aberdeen City Council | Scotland | 2 |
| Calderdale Metropolitan Borough Council | Yorkshire and the Humber | 2 |
| Cherwell District Council | South East | 2 |
| Devon County Council | South West | 2 |
| Gedling Borough Council | East Midlands | 2 |
| Glasgow City Council | Scotland | 2 |
| King's Lynn and West Norfolk Borough Council | East of England | 2 |
| Newham London Borough Council | London | 2 |
| North Norfolk District Council | East of England | 2 |
| Powys County Council | Wales | 2 |
| Shropshire Council | West Midlands | 2 |
| South Gloucestershire Council | South West | 2 |
| Staffordshire Moorlands District Council | West Midlands | 2 |
| Stirling Council | Scotland | 2 |
| Stratford-on-Avon District Council | West Midlands | 2 |
| Sunderland City Council | North East | 2 |
| Torridge District Council | South West | 2 |
| Vale of White Horse District Council | South East | 2 |
| Waverley Borough Council | South East | 2 |
| Wokingham Borough Council | South East | 2 |
| City of York Council | Yorkshire and the Humber | 2 |
| Nottinghamshire County Council | East Midlands | 1 |
| Cheltenham Borough Council | South West | 1 |
| Pembrokeshire County Council | Wales | 1 |
| Bracknell Forest Council | South East | 1 |
| Rhondda Cynon Taf County Borough Council | Wales | 1 |
| Rotherham Metropolitan Borough Council | Yorkshire and the Humber | 1 |
| Sheffield City Council | Yorkshire and the Humber | 1 |