Everest Home Improvements is actively marketing secondary glazing as an alternative to full window replacement in the UK. The company positions the retrofit solution for homeowners seeking lower-cost upgrades and for listed buildings where planning restrictions prevent replacement. Secondary glazing involves fitting a second pane internally behind existing windows – typically costing 40–60% less than new windows while delivering similar thermal improvements. Rising energy bills and growing heritage property renovation activity are boosting demand for the historically niche product category, Everest says.
This article was created with AI assistance and editorially reviewed.