Hi commercial Specialist,
At the moment you have not breached the Registration threshold and you also don't expect your taxable supplies to breach the threshold in the next 30 days alone.
You are therefore making a voluntary registration even though you know there will be a requirement to register for VAT in the middle of February.
You can therefore choose the date which you want to register for VAT from.
Please see the guidance below:
3. Working out whether you need to register
Thank you.