Remember, we have told you about inflatable whirlpool tub earlier too. So, here is just another to extend your options, Lay-z-Spa. The portable spa features massage jets to soothe your body and soul, digital control panel with LED display on pump, spa filtration system and heat adjustment system. The inflatable spa plugs into your standard home electrical socket with built in RCD. The portable spa sells for a comparatively cheap price of £400.37737