It may feel cold, wet and miserable but you really should treat it as a blessing - because how snow and frost sit on your roof is an important indicator of how your loft insulation is fairing this ...

Area \(\percent\) heat loss Method How it works Roof 25 Insulate loft with mineral wool or fibre ... Walls 35 Cavity wall insulation fills the cavity between the outside walls with mineral wool ...

Loft insulation A thick layer of material with a low thermal conductivity reduces the rate of heat transfer from the ceiling into the roof space. Double glazed windows A gap between two panes of ...