Yorkshire Building Society ← View details Mimosa House, 12 Princes Street, London, EN W1B 2LL +44 20 7499 6678 ybs.co.uk Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:30 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 10:00 am — 01:00 pm Your comments * — Required information