London is one of the top cities to visit all around the world. When traveling for pleasure you don't have that much money to spend on accommodation in London. You certainly prefer to spend them on plane tickets. So you can travel more and more. This is why it's no shame to look for a cheap place to stay even in London. Actually 60% of the hosting places in London are hostels and not hotels.
London bed and breakfast services are highly promoted and if you talk to any London travel agency, you will surely find what you are looking for, no matter what type of accommodation in London.
Many people just pass by in London when traveling from Europe to America or vice versa. They don't actually want to visit the city as tourists, but just find a hosting place. So, when spending not more than 1 night in London you don't need anything fancy but one of the London Hostels. All of high quality.
You don't need facilities such as swimming pool or jacuzzi. You will just need London bed and breakfast services. As you are just a passer looking for a hosting place. Nothing more than a place to stay and a meal at you discretion.
It's easy to find accommodation in London. And this is due to the many hostels available. All you have to do is talk to a London travel agency in time. Don't leave everything for when you get there and everything will go smoothly