Thanks @BobT 
In case anyone prefers to copy and paste, here are the details in plain text 
Bank: BARCLAYS
Address registered to account: GRAINGER CHAMBERS, 3-5 HOOD STREET, NEWCASTLE UPON TYNE, NE1 6JQ, UK
IBAN: GB62 BARC 2059 4213 2195 85
Barclays SWIFT BIC (Bank Identifier Code): BARCGB22
And as with all top ups, please don’t forget to enter your card token as the reference so it can get to you automatically 