You might get a tax refund, as I did when I returned. And then it will be very difficult for you to get that money to you if you do not have a local bank account.
If you are sure of not getting any tax refunds in future, go ahead by closing the account.
If I were you I would inform my local Electoral Registration Office of my change of address, note that the new address is not in the UK, and ask them to remove me from the electoral register, or, if that is not possible, at least to refrain from sending anything to me at the old address.
If we mouse-over the question-mark links, or read this form, this is what each of the extracts contains:
Extract with citizen service number: Extract with your name, date of birth, place of birth, country of birth, gender, nationality, citizen service number (BSN), current address.
Extract with historical addresses: Extract with your name, date of birth, ...
So, apparently I had also gotten a link and missed it. The link is:
but this may only be relevant to people who had been living in Amsterdam.
I still have my Dutch bank account even though I have not lived there for 5 years. My wife and I still own a house there and my sister in law lives there so our situation may be different than yours.
That said, I have found it very convenient to have my Dutch bank account. I use It every time I visit. There are many places where it is only possible to pay ...