Guest beds are always hard to buy because you are not buying for yourself; you are not even buying for one other person. You are buying for a wide range of people who come and visit you, all of whom have different needs as far as a bed is concerned.
Firstly you need to work out what your general guest is like. Are your guests often couples, families or individuals? If you can work out which is the most common in your home then you can begin to eliminate the types of guest beds that are not appropriate.
However, as is the case for many of us, you will find that you have an array of guests and that you cannot decide on one type of bed that is suitable. In this situation you need to opt for a versatile bed.
A versatile bed in most cases is a double bed. A double bed can cater for an individual, a couple and even a one-child family (if the child is rather small). At www.dreams.co.uk you can get a wide range of double beds and even slightly bigger beds than a double bed. But the size of your guest bed is obviously going to be relevant to the size of your guest room. It is no good squashing in a double bed when you then have no room left to walk round the room!
In this case you might be better going for a bed stored under a bed. These are single beds with roll out trundle beds and are very popular for smaller rooms. They only take up the space of a single bed, but if you need space for two you can pull out the spare and use up the floor space for the night. Then, in the morning, you can push it back and your have the extra space in the room again.
So, choose your guest bed wisely and always consider all your options. See great childrens single beds at dreams, they can be the perfect size for the guest room.