| Glasgow City Council | Scotland | 17 |
| Braintree District Council | East of England | 15 |
| Rhondda Cynon Taf County Borough Council | Wales | 7 |
| Waverley Borough Council | South East | 7 |
| Tower Hamlets London Borough Council | London | 6 |
| Edinburgh City Council | Scotland | 6 |
| North Lanarkshire Council | Scotland | 5 |
| Wrexham County Borough Council | Wales | 5 |
| Central Bedfordshire Council | East of England | 5 |
| Flintshire County Council | Wales | 4 |
| Woking Borough Council | South East | 3 |
| Aberdeen City Council | Scotland | 2 |
| Angus Council | Scotland | 2 |
| Brent London Borough Council | London | 2 |
| East Lothian Council | Scotland | 2 |
| Highland Council | Scotland | 2 |
| Lewisham London Borough Council | London | 2 |
| Midlothian Council | Scotland | 2 |
| Surrey Heath Borough Council | South East | 2 |
| Swale Borough Council | South East | 2 |
| Tewkesbury Borough Council | South West | 2 |
| Northumberland County Council | North East | 1 |
| Oxford City Council | South East | 1 |
| Perth and Kinross Council | Scotland | 1 |
| Dundee City Council or similar (DPEA is a Scottish government planning body) | Scotland | 1 |
| Rotherham Metropolitan Borough Council | Yorkshire and the Humber | 1 |
| Royal Greenwich London Borough Council | London | 1 |
| South Gloucestershire Council | South West | 1 |
| Blaenau Gwent County Borough Council | Wales | 1 |
| City of Wolverhampton Council | West Midlands | 1 |
| Bedford Borough Council | East of England | 1 |
| Thurrock Council | East of England | 1 |
| Doncaster Metropolitan Borough Council | Yorkshire and the Humber | 1 |
| Wandsworth London Borough Council | London | 1 |
| Hinckley and Bosworth Borough Council | East Midlands | 1 |
| City of London Corporation | London | 1 |
| West Northamptonshire Council | East Midlands | 1 |
| North Ayrshire Council | Scotland | 1 |
| Dublin City Council or similar (Dublin is in Ireland, not UK) | Ireland | 1 |