<p>Oscar Onsite are the UK&#8217;s Leading Authority in Cavity Wall Insulation Surveying &#038; Extraction. We train indepedent contractors working in this field to compliance, processes and quality, ensuring operatives are suitably qualified to perform their tasks</p> <p>Cavity Wall Insulation has been installed in 17M homes across the UK, and all will be replaced over the next 10 years, so a mammoth task to lower energy bills and lower carbon footprints from heating energy</p> <p>Oscar Onsite &#8211; making a difference</p>