> Most likely your house has double glazed windows - I only see single-glazed windows in antique wooden windows these days (but perhaps it's different outside o

> Most likely your house has double glazed windows - I only see single-glazed windows in antique wooden windows these days (but perhaps it's different outside of New England). Internationally speaking, the UK is very far behind when it comes to insulation. Single glazed windows are still standard in many houses. Energy prices are cheap compared to the rest of the continent and costs are still one of the highest.