Firefly 2kW Adjustable Infrared Garden Outdoor Indoor Wall Mounted Patio Heater with Remote Control Price: £79.99 (as of 17:20 EST- More info)

Infrared heating element is long lasting & cheap to run, costing 10p an hour when using 700W setting.
Multiple heat settings of 700W, 1400W & 2000W. Which allow you to control the temperature to suit your surroundings.
Included remote control allows you to manage heat settings & power from a comfortable distance.