| Southwark London Borough Council | London | 17 |
| North Norfolk District Council | East of England | 7 |
| Fermanagh and Omagh District Council | Northern Ireland | 6 |
| Wrexham County Borough Council | Wales | 6 |
| Dublin City Council or similar (Dublin is in Ireland, not UK) | Ireland | 5 |
| Fingal County Council (Dublin) or similar | Ireland | 5 |
| Edinburgh City Council | Scotland | 4 |
| Wokingham Borough Council | South East | 4 |
| King's Lynn and West Norfolk Borough Council | East of England | 4 |
| Mid Sussex District Council | South East | 3 |
| Thanet District Council | South East | 3 |
| Swansea Council | Wales | 3 |
| Braintree District Council | East of England | 3 |
| Worcester City Council | West Midlands | 3 |
| Cambridge City Council | East of England | 3 |
| Swale Borough Council | South East | 3 |
| Derry City and Strabane District Council | Northern Ireland | 3 |
| City of York Council | Yorkshire and the Humber | 2 |
| Bassetlaw District Council | East Midlands | 2 |
| Bristol City Council | South West | 2 |
| Broadland District Council | East of England | 2 |
| City of London Corporation | London | 2 |
| Dumfries and Galloway Council | Scotland | 2 |
| East Riding of Yorkshire Council | Yorkshire and the Humber | 2 |
| Perth and Kinross Council | Scotland | 2 |
| Winchester City Council | South East | 2 |
| Hillingdon London Borough Council | London | 1 |
| Ealing London Borough Council | London | 1 |
| Dundee City Council or similar (DPEA is a Scottish government planning body) | Scotland | 1 |
| Newham London Borough Council | London | 1 |
| Derby City Council | East Midlands | 1 |
| Northumberland County Council | North East | 1 |
| North Yorkshire Council | Yorkshire and the Humber | 1 |
| Armagh City, Banbridge and Craigavon Borough Council | Northern Ireland | 1 |
| Royal Borough of Windsor and Maidenhead | South East | 1 |
| Rother District Council | South East | 1 |
| Shropshire Council | West Midlands | 1 |
| South Gloucestershire Council | South West | 1 |
| South Hams and West Devon Councils | South West | 1 |
| Cheltenham Borough Council | South West | 1 |
| Stirling Council | Scotland | 1 |
| Chelmsford City Council | East of England | 1 |
| Boston Borough Council | East Midlands | 1 |
| Tamworth Borough Council | West Midlands | 1 |
| Bedford Borough Council | East of England | 1 |
| Tower Hamlets London Borough Council | London | 1 |
| Trafford Metropolitan Borough Council | North West | 1 |
| Waverley Borough Council | South East | 1 |
| West Oxfordshire District Council | South East | 1 |
| Angus Council | Scotland | 1 |