Kiam 2KW Electric Infrared Outdoor Garden Patio Heater Wall Mounted IP65 Rated with Remote Control Price: £139.95 (as of 09:17 EST- More info)

3 Heating Settings; 750 Watt, 1500 Watt & 2000 Watt power controls
Heated area up to 20m²
Can be used both indoor and outdoor, having waterproof function with IP65 rating