Caerdydd, Cyngor Sir
Cardiff County Council in Wales
Caerdydd, Cyngor Sir

Caerffili, Cyngor Bwrdeistref Sirol
Caerphilly County Borough Council in Wales
Caerffili, Cyngor Bwrdeistref Sirol

Caerfyrddin, Cyngor Sir
County Council of Carmarthenshire in Wales
Caerfyrddin, Cyngor Sir

Caerphilly County Borough Council
County Borough Council of Caerphilly, Wales
Caerphilly County Borough Council

Calderdale Metropolitan Borough Council
Metropolitan Borough Council of Calderdale in West Yorkshire
Calderdale Metropolitan Borough Council

Cambridge City Council
City Council of Cambridge in Cambridgeshire
Cambridge City Council

Cambridgeshire County Council
County Council of Cambridgeshire
Cambridgeshire County Council

Camden London Borough Council
London Borough Council of Camden
Camden London Borough Council

Cannock Chase District Council
District Council of Cannock Chase in Staffordshire
Cannock Chase District Council

Canterbury City Council
City Council of Canterbury in Kent
Canterbury City Council

Cardiff County Council
County Council of Cardiff
Cardiff County Council

Carlisle City Council
City Council of Carlisle in Cumbria
Carlisle City Council

Carmarthenshire County Council
County Council of Carmarthenshire in Wales
Carmarthenshire County Council

Castell-nedd, Cyngor Bwrdeistref Sirol
Neath Port Talbot County Borough Council in Wales
Castell-nedd, Cyngor Bwrdeistref Sirol

Castle Point Borough Council
Borough Council of Castle Point in Essex
Castle Point Borough Council

Castlereagh Borough Council
Borough Council of Castlereagh in County Antrim, Northern Ireland
Castlereagh Borough Council

Causeway Coast & Glens Borough Council
Causeway Coast & Glens Borough Council in Northern Ireland
Causeway Coast & Glens Borough Council

Ceredigion County Council
County Council of Ceredigion in Wales
Ceredigion County Council

Central Bedfordshire District Council
District Council of Central Bedfordshire
Central Bedfordshire District Council

Charnwood Borough Council
Borough Council of Charnwood in Leicestershire
Charnwood Borough Council

Chelmsford Borough Council
Borough Council of Chelmsford in Essex
Chelmsford Borough Council

Cheltenham Borough Council
Borough Council of Cheltenham in Gloucestershire
Cheltenham Borough Council

Cherwell District Council
District Council of Cherwell in Oxfordshire
Cherwell District Council

Cheshire East Council
Borough Council of Macclesfield in Cheshire
Cheshire East Council

Cheshire West and Chester Council
City Council of Cheshire West and Chester
Cheshire West and Chester

Chesterfield Borough Council
Borough Council of Chesterfield in Derbyshire
Chesterfield Borough Council

Chichester City Council
City Council of Chichester in West Sussex
Chichester City Council

Chichester District Council
District Council of Chichester in West Sussex
Chichester District Council

Chiltern District Council
District Council of Chiltern in Buckinghamshire
Chiltern District Council

Chorley Borough Council
Borough Council of Chorley in Lancashire
Chorley Borough Council

Christchurch Borough Council
Borough Council of Christchurch in Dorset
Christchurch Borough Council

City of London
Corporation of London
City of London

Clackmannanshire Council
The unitary council of Clackmannanshire in Scotland
Clackmannanshire Council

Colchester Borough Council
Borough Council of Colchester in Essex
Colchester Borough Council

Congleton Borough Council
Borough Council of Congleton in Cheshire
Congleton Borough Council

Conwy County Borough Council
County Borough Council of Conwy in Wales
Conwy County Borough Council

Copeland Borough Council
Borough Council of Copeland in Cumbria
Copeland Borough Council

Corby Borough Council
Borough Council of Corby in Northants
Corby Borough Council

Cornwall Council
County Council of Cornwall
Cornwall County Council

Corporation of London
Corporation of London
Corporation of London

Cotswold District Council
District Council of Cotswold in Gloucestershire
Cotswold District Council

Coventry City Council
City Council of Coventry in the West Midlands
Coventry City Council

Craigavon Borough Council
Borough Council of Craigavon in County Armagh, Northern Ireland
Craigavon Borough Council

Craven District Council
District Council of Craven in Yorkshire
Craven District Council

Crawley Borough Council
Borough Council of Crawley in West Sussex
Crawley Borough Council

Croydon London Borough Council
London Borough Council of Croydon
Croydon London Borough Council

Cumbria County Council
County Council of Cumbria
Cumbria County Council