- Braintree District Council
- East Herts Council, Hertford
- Iver Parish Council
- London Borough of Camden
- London Borough of Enfield
- London Borough of Haringey
- London Borough of Lambeth
- London Borough of Wandsworth
- Maldon District Council, Maldon
- Royal Borough of Kensington & Chelsea
- Saffron Walden Town Council
- Uttlesford District Council, Saffron Walden
