Hey hey All going well we are about to buy a house with an external garage which has fully insulated walls and garage door has been bricked up and pvc double glazed door put in. It has an apex roof so is quite tall in height (we can probably insulate roof better) and a couple of large velux windows. Interior size is around 3.1m x 5.65m (no height for sure but I'd reckon around 3m at top of apex) Currently there is no heating going to it but it does have electric. The guy who lives there is an artist and works out there with a gas heater all winter long claiming it's toasty! We plan on turning it into an office space (with motorbikes up one end) but not sure the best and most cost effient way of heating it whilst we beaver away in there! Oil / gas / electric?! We've crossed out a multi fuel stove (costly to maintain and flames + motorbikes and fuel cans within nearish proximity = not a great idea!) Any recommendations or thoughts would be most appreciated Thannnkk yooooouuuu!