Crittall Windows operates from a modern ISO 9001 factory in Witham, Essex. ’Homelight L’, is an advanced version of the highly successful and established ‘Homelight’ steel window range. It has been designed to meet the latest requirements of Part L of the Building Regulations. It offers ultra thin sightlines, exceptional strength and durability and excellent thermal and acoustic performance. ‘Homelight L’ is suited to both new build and replica refurbishment projects with the windows offering the same sizes and styles as original imperial units.