Thanks for the context of your replies.
We built our house about 12 years back to Passive House Standards. One of the downfalls of living on Skye or the Highlands for that matter is that there is no Natural Gas supply so energy for living has to come from either Electricity, LPG, Oil, Coal or Wood - with the odd house using solar or wind.
We have a high degree of insulation, triple glazed windows and very low air permeability - no air leaks. We have about 150m2 floor space, open plan and about 385m3 by volume. Just the two of us at home most of the time although for many years we would fly south for a couple of winter months but recently that's not been possible.
We took a leap of faith and did not install a heating system, just a wood burning stove, a Mechanical Heat Recovery and Ventilation system and a hot water only Solar Panel. Electric for everything else except the cooker hob which is propane gas. Low energy appliances where possible.
Energy bills for a full 12 months occupation are about £850 per year for Electric, then there's another £400 in Wood and about £50 for the Gas hob via propane bottle.
In actual terms we use about 4200Kwh per year. About 4m3 of hardwood, About 1 and a bit 19kg propane gas bottles.
Everyones figures are interesting but it needs to be understood what our expectations are and how we live in our homes. By comparison some of our neighbours bills are over 3 times ours.