Many households' energy consumption might be reduced with an immediate increase in home insulation spending directed at local housing authorities and housing associations.      In Europe, Britain has among the least well-insulated housing stock. Only 58% of British homes , according to the climate change advocacy group One Home, have reached the insulation standards.   Moreover, Russia's invasion of Ukraine rapidly pushed already-rising energy prices. Energy costs are already at their highest levels in the last few years, and by the start of next year, they are expected to immensely triple, costing the average household over £5,000 in total.   The overall costs for the economy in the UK as a whole are anticipated to reach 16% of GDP as households have accounted for 50% of national energy spending.  By January 2023, rising costs will force two-thirds of UK households into fuel poverty. So, in that compelling situation, home insulation can be...