Support bubbles (which you’d need for the visit to be allowed) are quite strict:
If you live by yourself, you’re allowed to form a support bubble with another household.
Even if carers visit you to provide support but you still live alone, you can form a support bubble.
Single parents with children under the age of 18 can also form support bubbles, while parents with children aged under one or with disabled children requiring continuous care who are aged under five can be in a bubble.