VAT returns for the Quarter End 30 June 2017 are due for online filing by 7th August 2017, along with any payment due to HMRC if you pay online.
HMRCs bank details for your VAT payment are:
Account name: HMRC VAT
Account number: 11963155
Sort Code: 08 32 00
Don’t forget to use your VAT Registration number in your payment reference. If you are unable to pay online for any reason, you can also use a debit or credit card on the HMRC website online here.
Check Your VAT Return Date here on the HMRC website as your filing date can differ according to how you pay.