| Wrexham County Borough Council | Wales | 18 |
| North Ayrshire Council | Scotland | 9 |
| West Lindsey District Council | East Midlands | 9 |
| Wandsworth London Borough Council | London | 8 |
| Buckinghamshire Council | South East | 6 |
| Welwyn Hatfield Borough Council | East of England | 5 |
| Pembrokeshire County Council | Wales | 5 |
| Tunbridge Wells Borough Council | South East | 5 |
| Solihull Metropolitan Borough Council | West Midlands | 5 |
| Sunderland City Council | North East | 4 |
| Kent County Council | South East | 4 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 4 |
| Cambridgeshire County Council | East of England | 4 |
| Central Bedfordshire Council | East of England | 3 |
| Basingstoke and Deane Borough Council | South East | 3 |
| Braintree District Council | East of England | 3 |
| Staffordshire Moorlands District Council | West Midlands | 3 |
| Breckland Council | East of England | 3 |
| Bolton Metropolitan Borough Council | North West | 3 |
| Tower Hamlets London Borough Council | London | 3 |
| Leeds City Council | Yorkshire and the Humber | 3 |
| Ealing London Borough Council | London | 2 |
| Powys County Council | Wales | 2 |
| Bracknell Forest Council | South East | 2 |
| Northumberland County Council | North East | 2 |
| Woking Borough Council | South East | 2 |
| Lewisham London Borough Council | London | 2 |
| Rhondda Cynon Taf County Borough Council | Wales | 2 |
| Teignbridge District Council | South West | 2 |
| Stockport Metropolitan Borough Council | North West | 1 |
| Stratford-on-Avon District Council | West Midlands | 1 |
| Stroud District Council | South West | 1 |
| Tandridge District Council | South East | 1 |
| Thurrock Council | East of England | 1 |
| Aberdeen City Council | Scotland | 1 |
| Warrington Borough Council | North West | 1 |
| Wokingham Borough Council | South East | 1 |
| Worcester City Council | West Midlands | 1 |
| Wakefield Metropolitan District Council | Yorkshire and the Humber | 1 |
| Bassetlaw District Council | East Midlands | 1 |
| Blackburn with Darwen Borough Council | North West | 1 |
| Blackpool Council | North West | 1 |
| Blaenau Gwent County Borough Council | Wales | 1 |
| Bradford Metropolitan District Council | Yorkshire and the Humber | 1 |
| Bristol City Council | South West | 1 |
| Broadland District Council | East of England | 1 |
| Cherwell District Council | South East | 1 |
| Cornwall Council | South West | 1 |
| Denbighshire County Council | Wales | 1 |
| Donegal County Council | Ireland | 1 |