By law manufacturers must disclose the energy efficiency of their appliances, rated A to G. These are usually displayed prominently in showrooms. The better the rating, the more energy efficient the appliance is - good for both the environment and your pocket.

Dual-flow mixers provide independent hot, cold or mixed water after leaving the end of the spout. They can be deck-mounted on the sink or pillar/bridge-mounted for a more traditional look. Alternatively, choose a monobloc tap, which is a single-hole fitting that usually has two handles for hot and cold water supply.