32 Boroughs & City 28 Boroughs & City 26 Boroughs & City 30 Boroughs & City
Bromley Havering Hillingdon Enfield
City Corporation City Council City of London Corporation of London
Greenford Perivale Wembley Park Royal
Greater London Council London Council Greater London Authority London Corporation
Slough Wembley Catford Uxbridge
Enfield Redbridge Waltham Forest Merton