One of the best places to relax is the backyard, provided it has sufficient space. However, if the backyard is not that clean, you will not enjoy and instead start worrying over the cleanliness of the backyard. This is not a big problem. Backyards serve as the best place to relax in the summers. Backyards also help in throwing out small parties and get together.
Get ready. There is not much to do. You can hire college students for cleanup. They will not charge you much. Once the backyard is clean, you need to decide what you need in the backyard. A swing of course! Get a swing sofa along with some cozy armchairs that swing. Since these are outdoor furniture, go for teak as they offer a very long life.
If time permits, you can use real plants and shrubs. Take a look at what all is already there. You may use the same or maybe you can order some plastic plants to decorate the entire backyard. If you have budget, you may also go for a small swimming pool and fountains.