London
| Location | Local Authority |
| Hounslow | London Borough of Hounslow |
| Croydon | London Borough of Croydon |
| Richmond upon Thames | London Borough of Richmond upon Thames |
| Hackney | London Borough of Hackney |
| Camden | London Borough of Camden |
| Westminster | City of Westminster |
| Tower Hamlets | London Borough of Tower Hamlets |
| Waltham Forest | London Borough of Waltham Forest |
| Lambeth | London Borough of Lambeth |
| Ealing | London Borough of Ealing |
| Redbridge | London Borough of Redbridge |
| Bromley | London Borough of Bromley |
| Lewisham | London Borough of Lewisham |
| Southwark | London Borough of Southwark |
| Kingston upon Thames | Royal Borough of Kingston upon Thames |
| Harrow | London Borough of Harrow |
| Hillingdon | London Borough of Hillingdon |
| Islington | London Borough of Islington |
| Newham | London Borough of Newham |
| Brent | London Borough of Brent |
| Merton | London Borough of Merton |
| Bexley | London Borough of Bexley |
| Sutton | London Borough of Sutton |
| Barnet | London Borough of Barnet |
| Greenwich | Royal Borough of Greenwich |
| Havering | London Borough of Havering |
| Enfield | London Borough of Enfield |
| Wandsworth | London Borough of Wandsworth |
| Hammersmith & Fulham | London Borough of Hammersmith and Fulham |
| Kensington & Chelsea | Royal Borough of Kensington and Chelsea |
| Barking & Dagenham | London Borough of Barking and Dagenham |
East Midlands
East of England
Midlands
South East UK
West Midlands
