Give your pond the best chance of success by selecting the best possible site. Lots of sunshine will attract the widest range of creatures, but even shady ponds make good habitats for newts.
For a naturalistic effect, make a pond with an informal, curved outline. But a formal rectangular or square pond can still be wildlife friendly. Straight edges can easily be disguised with plants, both in and outside of the pond.
To attract the widest range of wildlife, create areas of shallow water (around 2-3cm deep), which are essential for the lifecycles of frogs, dragonflies and water beetles, and will also make it easier for creatures like hedgehogs and birds to bathe. Deeper areas (up to 1m) are essential too, as frogs overwinter in the muddy depths, breathing through their skin.
The following creatures are likely to use your pond: