| Pembrokeshire County Council | Wales | 26 |
| Tower Hamlets London Borough Council | London | 19 |
| Woking Borough Council | South East | 19 |
| Central Bedfordshire Council | East of England | 17 |
| Falkirk Council | Scotland | 15 |
| Flintshire County Council | Wales | 13 |
| Braintree District Council | East of England | 9 |
| Aberdeen City Council | Scotland | 9 |
| Hillingdon London Borough Council | London | 9 |
| Derby City Council | East Midlands | 8 |
| Welwyn Hatfield Borough Council | East of England | 8 |
| Midlothian Council | Scotland | 8 |
| North Ayrshire Council | Scotland | 7 |
| Worcester City Council | West Midlands | 7 |
| Wrexham County Borough Council | Wales | 7 |
| South Hams and West Devon Councils | South West | 6 |
| Herefordshire Council | West Midlands | 6 |
| West Sussex County Council | South East | 6 |
| Rhondda Cynon Taf County Borough Council | Wales | 6 |
| Fenland District Council | East of England | 6 |
| Bedford Borough Council | East of England | 5 |
| Denbighshire County Council | Wales | 5 |
| Leeds City Council | Yorkshire and the Humber | 5 |
| Perth and Kinross Council | Scotland | 5 |
| Edinburgh City Council | Scotland | 4 |
| Birmingham City Council | West Midlands | 4 |
| Armagh City, Banbridge and Craigavon Borough Council | Northern Ireland | 4 |
| Hartlepool Borough Council | North East | 4 |
| New Forest District Council | South East | 4 |
| Manchester City Council | North West | 4 |
| Lincolnshire County Council | East Midlands | 4 |
| Angus Council | Scotland | 4 |
| South Lanarkshire Council | Scotland | 4 |
| Reigate and Banstead Borough Council | South East | 4 |
| Gravesham Borough Council | South East | 4 |
| Glasgow City Council | Scotland | 4 |
| Runnymede Borough Council | South East | 4 |
| Buckinghamshire Council | South East | 3 |
| Norfolk County Council | East of England | 3 |
| Swale Borough Council | South East | 3 |
| Surrey Heath Borough Council | South East | 3 |
| South Cambridgeshire District Council | East of England | 3 |
| South Gloucestershire Council | South West | 3 |
| Lewes District Council (Lewes-Eastbourne likely indicates a combined search parameter) | South East | 3 |
| Solihull Metropolitan Borough Council | West Midlands | 3 |
| Hammersmith & Fulham London Borough Council | London | 3 |
| Rochford District Council | East of England | 3 |
| Medway Council | South East | 3 |
| Stockport Metropolitan Borough Council | North West | 3 |
| East Renfrewshire Council | Scotland | 2 |