| Flintshire County Council | Wales | 41 |
| Woking Borough Council | South East | 25 |
| Tower Hamlets London Borough Council | London | 24 |
| City of London Corporation | London | 22 |
| Powys County Council | Wales | 17 |
| North Ayrshire Council | Scotland | 15 |
| Pembrokeshire County Council | Wales | 13 |
| Breckland Council | East of England | 12 |
| Boston Borough Council | East Midlands | 10 |
| Maldon District Council | East of England | 9 |
| South Hams and West Devon Councils | South West | 9 |
| North Lanarkshire Council | Scotland | 8 |
| Rhondda Cynon Taf County Borough Council | Wales | 7 |
| Cornwall Council | South West | 6 |
| Braintree District Council | East of England | 6 |
| Teignbridge District Council | South West | 6 |
| Horsham District Council | South East | 6 |
| Wiltshire Council | South West | 5 |
| City of Wolverhampton Council | West Midlands | 5 |
| Cheshire West and Chester Council | North West | 5 |
| Durham County Council | North East | 5 |
| Melton Borough Council | East Midlands | 5 |
| Welwyn Hatfield Borough Council | East of England | 5 |
| West Sussex County Council | South East | 5 |
| Blackpool Council | North West | 5 |
| Glasgow City Council | Scotland | 5 |
| North Norfolk District Council | East of England | 4 |
| Bracknell Forest Council | South East | 4 |
| Central Bedfordshire Council | East of England | 4 |
| Sunderland City Council | North East | 4 |
| Wirral Metropolitan Borough Council | North West | 3 |
| Sevenoaks District Council | South East | 3 |
| Spelthorne Borough Council | South East | 3 |
| Stockport Metropolitan Borough Council | North West | 3 |
| Epping Forest District Council | East of England | 3 |
| Tandridge District Council | South East | 3 |
| Fenland District Council | East of England | 3 |
| Tunbridge Wells Borough Council | South East | 3 |
| Waverley Borough Council | South East | 3 |
| West Oxfordshire District Council | South East | 3 |
| Cherwell District Council | South East | 3 |
| Newham London Borough Council | London | 3 |
| Northumberland County Council | North East | 3 |
| Denbighshire County Council | Wales | 3 |
| Rushcliffe Borough Council | East Midlands | 2 |
| Warrington Borough Council | North West | 2 |
| Medway Council | South East | 2 |
| Vale of White Horse District Council | South East | 2 |
| Dorset Council | South West | 2 |
| Norfolk County Council | East of England | 2 |