Tracing Lost Accounts There are a number of different ways you can try to trace forgotten and lost accounts. If you believe you have a lost or forgotten an account with us there are three ways you can search for it. Online - Simply go to www.mylostaccount.org.uk and use this FREE service to help you trace your lost savings accounts By post or in branch - Download this lost accounts leaflet, print it off and post it to the BSA address given or if it is specifically a Newcastle Building Society Account post it to us at: Principal Office Portland House New Bridge Street Newcastle upon Tyne NE1 8AL Alternatively you can take this form to one of our branches. Phone - Copies of lost accounts application forms can be obtained by phoning the Building Societies Association on 020 7520 5900.