They can be used virtually on any type of surface. Tiles are very comfortable to walk on and relatively smooth which makes it safe to use. Hence, there will be little fear of people tripping on any part of it. In addition, patio furniture will sit squarely on the tiles surface, that may not happen if you use another type of patio materials.
The choice of screening will depend on available budget. Walls are expensive to build, wooden screens with posts and trellis panels are much cheaper. Planting a hedge is usually the cheapest option, but may take a while to grow in unless you can afford large plants or an instant hedge.
That patio lighting are designed to be decorative and functional at the same time. Make sure you consider the original color of walls surrounding the garden, other patio elements including the materials used, and the possible effects patio lights may have to overall comfort and ambience of your patio to produce the best possible lighting combination that suits your needs. When used and implemented correctly, patio lights can be great additions to your already beautiful patio design.
Capacity of the patio : The patio needs to be large enough to accommodate the correct size of table with room for chairs to be pulled out and for people to move around easily when others are seated. A guide is to allow 1m width for the table, 500mm width on either side of the table for each chair when not pushed under the table, 300mm between chairs down the side of the table, and 700mm width to pull each chair out and sit down comfortably.