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Why Do Banks Need Your Existing Account Details?

the89er
Posts: 19 Forumite
I currently have a Lloyds Bank account and am looking into opening a new bank account with Halifax.
Upon visiting their online application page, they need details (sort code, account number, debit card) of my existing bank account.
I found this a bit bizarre since I didn't choose their Switch Account service.
Does anyone know why they (or any bank) would need existing bank account details to open a new account?
Thanks.
Upon visiting their online application page, they need details (sort code, account number, debit card) of my existing bank account.
I found this a bit bizarre since I didn't choose their Switch Account service.
Does anyone know why they (or any bank) would need existing bank account details to open a new account?
Thanks.
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Comments
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I would assume that their online application form is a fixed template. So even though you are not switching, their form still asks for the same standardised information.I work within the voluntary sector, supporting vulnerable people to rebuild their lives.
I love my job0 -
Lloyds and Halifax are the same banking group - if you have a good credit file with Lloyds it may help you with Halifax should you want to apply for credit cards overdrafts and loans - if you allow them to share your data.0
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They use your existing accounts to help verify your identity.How's it going, AKA, Nutwatch? - 12 month spends to date = 2.60% of current retirement "pot" (as at end May 2025)0
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