Blocks or flags or a combination of these are more useful than loose materials in many situations.

Although more expensive, they have the advantage of providing a firm surface for furniture, feet and toys, so are particularly appropriate for large patios.

Vast expanses of paving slabs aren't terribly attractive. Fortunately there are numerous types of small blocks and easy-to-lay flags with cunning cobble-like finishes to fool the eye.

Booklets from companies that make garden landscaping materials contain inspirational designs for patios, barbecues and built-in features, so look out for these at garden centres and diy builders' yards.