The best choice usually comes down to a few practical points: how much space you really have, whether you want to dine, lounge or do a bit of both, and how well the set balances comfort, layout and value. In an outdoor furniture sale it is easy to be swayed by the biggest discount, but the stronger buy is the one that fits your patio properly, suits your routine and feels easy to live with through a typical UK season.
Keep those core factors in mind and narrowing the options becomes much simpler. A compact set can be the smarter pick for smaller gardens, a dining layout makes sense for regular outdoor meals, and a rattan-style sofa set often works well for more relaxed use. Once you match the furniture to your space and the way you actually use it, you can shop with far more confidence and settle on a set you will be glad to use often.