Your solicitor will advise you when this can happen, make sure you keep in regular contact with them.
We know you’re desperate to get moving but hold fire on handing in your notice. You don’t want to be left without somewhere to live.
Until your solicitor has agreed a completion date with you and the seller there can be no guarantees about the date you will be able to move in. That’s why it’s important you don’t hand in your notice on your rental property until that date is set or you have a back-up plan.