Ministry of Housing, Communities and Local Government.
"English Housing Survey 2023 to 2024: headline findings on housing quality and energy efficiency."
,
30 January 2025,
https://www.gov.uk/government/collections/english-housing-survey-2023-to-2024-headline-findings-on-housing-quality-and-energy-efficiency.
Loft insulation increased from 37% to 40% in homes, cavity or solid wall insulation rose from 46% to 53%, and full double glazing went up from 80% to 89% over the past 10 years(Reported 30 January 2025)