Geographical area: London Borough of Bexley (borough-wide), South East London
Number of practices: 29
Population size: 229,652
Geographical area: London Borough of Ealing (not the entire borough), North West London
Number of practices: 82
Population size: 360,000
Geographical area: London Borough of Hounslow (borough-wide), North West London
Number of practices: 54
Population size: 262,658
Geographical area: London Borough of Kingston (borough-wide), South West London
Number of practices: 27
Population size: 181,646
Geographical area: London Borough of Newham (not the entire borough), Inner North East London
Number of practices: 48
Population size: 280,000
Geographical area: London Borough of Redbridge (borough-wide), North West London
Number of practices: 30
Population size: 180,085
Geographical area: London Borough of Southwark (borough-wide), South East London
Number of practices: 47
Population size: 319,127
Geographical area: London Borough of Sutton (not the entire borough), South West London
Number of practices: 21
Population size: 124,480
To be confirmed