- Barclays Bank - Caernarfon
- Barclays Bank - Caerphilly
- Barclays Bank - Callington
- Barclays Bank - Camberley, 65 High Street
- Barclays Bank - Camborne
- Barclays Bank - Cambridge, 35 Sidney Street
- Barclays Bank - Cambridge, 7/8 Clifton Court
- Barclays Bank - Cambridge, PO Box 885 Mortlock House Vision Park
- Barclays Bank - Cambridge, Addenbrookes Hospital
- Barclays Bank - Cambridge, 28 Chesterton Road
- Barclays Bank - Cambridge, 9/11 St Andrews Street
- Barclays Bank - Camelford
- Barclays Bank - Cannock
- Barclays Bank - Canterbury
- Barclays Bank - Canvey Island
- Barclays Bank - Cardiff, 2/4 Heathwood Road
- Barclays Bank - Cardiff, 241 Cowbridge Road
- Barclays Bank - Cardiff, 34 Station Road
- Barclays Bank - Cardiff, Windsor Court 1-3 Windsor Place
- Barclays Bank - Cardiff, 1-5 ST DAVID'S WAY
- Barclays Bank - Cardiff, 42 Wellfield Road
- Barclays Bank - Cardiff, 1 Old Church Road
- Barclays Bank - Cardiff, Unit 16a, Mermaid Quay
- Barclays Bank - Cardigan
- Barclays Bank - Carlisle, 33 English Street
- Barclays Bank - Carlisle, Montgomery Way
- Barclays Bank - Carmarthen, 9-10 Guildhall Square
- Barclays Bank - Carmarthen, Pentre Road
- Barclays Bank - Carnforth, 3 Market Street
- Barclays Bank - Carnforth, 66 Main Street
- Barclays Bank - Carterton
- Barclays Bank - Castle Cary
- Barclays Bank - Castleford
- Barclays Bank - Castletown
- Barclays Bank - Caterham
- Barclays Bank - Chard
- Barclays Bank - Chatham
- Barclays Bank - Chatteris
- Barclays Bank - Cheadle, 1 Northenden Road
- Barclays Bank - Cheadle, 72 High Street
- Barclays Bank - Cheadle, 35 High Street
- Barclays Bank - Chelmsford, Eves Corner
- Barclays Bank - Chelmsford, 40-41 High Street
- Barclays Bank - Chelmsford, 18 Queen Elizabeth II Square
- Barclays Bank - Cheltenham, 128 High Street
- Barclays Bank - Cheltenham, The Square
- Barclays Bank - Cheltenham, Montpellier Exchange
- Barclays Bank - Cheltenham, Rutherford Way
- Barclays Bank - Chepstow
- Barclays Bank - Chertsey
- Barclays Bank - Chesham
- Barclays Bank - Cheshunt
- Barclays Bank - Chester, 30 St Werburgh Street
- Barclays Bank - Chester le Street
- Barclays Bank - Chesterfield
- Barclays Bank - Chichester, 74/75 East Street
- Barclays Bank - Chippenham
- Barclays Bank - Chipping Norton
- Barclays Bank - Chislehurst
- Barclays Bank - Chorley
- Barclays Bank - Christchurch
- Barclays Bank - Church Stretton
- Barclays Bank - Cirencester
- Barclays Bank - Clacton-on-Sea
- Barclays Bank - Cleckheaton
- Barclays Bank - Cleethorpes
- Barclays Bank - Clevedon
- Barclays Bank - Clitheroe
- Barclays Bank - Cobham
- Barclays Bank - Cockermouth
- Barclays Bank - Colchester, 58 St Christopher Road
- Barclays Bank - Colchester, 65 Church Road
- Barclays Bank - Colchester, 9 High Street
- Barclays Bank - Colchester, 10 Yorick Road
- Barclays Bank - Colchester, University of Essex
- Barclays Bank - Coleraine
- Barclays Bank - Colne
- Barclays Bank - Colwyn Bay
- Barclays Bank - Congleton
- Barclays Bank - Coniston
- Barclays Bank - Consett
- Barclays Bank - Corbridge
- Barclays Bank - Corby
- Barclays Bank - Corringham
- Barclays Bank - Cottingham
- Barclays Bank - Coulsdon
- Barclays Bank - Coventry, 25 High Street
- Barclays Bank - Coventry, 241 Walsgrave Road
- Barclays Bank - Coventry, University of Warwick
- Barclays Bank - Cowbridge
- Barclays Bank - Cramlington
- Barclays Bank - Cranbrook
- Barclays Bank - Cranleigh
- Barclays Bank - Crawley, 90/92 High Street
- Barclays Bank - Crediton
- Barclays Bank - Crewe, 38 Market Street
- Barclays Bank - Crewe, 1 The Square
- Barclays Bank - Crewkerne
- Barclays Bank - Cromer
- Barclays Bank - Crook
- Barclays Bank - Crowborough
- Barclays Bank - Crowthorne
- Barclays Bank - Croydon, 1 North End
- Barclays Bank - Cuffley
- Barclays Bank - Cullompton
- Barclays Bank - Cwmbran