All glazing is to British Safety Standard BS6206. As members of a Insured Windows Guarantee scheme we are vetted for financial stability, reliability and quality. When replacing windows and doors in your home, you now by law HAVE TO APPLY FOR BUILDING REGULATIONS. JLGWindows are members of CERTASS, which means that we can legally handle this on your behalf, saving you the time and expense of dealing with the building regulations department personally. All of our windows and doors are manufactured using a BS kitemarked profile for quality. All double glazed units also carry the BS kitemark. The products are all fitted by trained, installers. No sub-contract labour is ever used. All of our products are fully made to measure; nothing is "off the shelf". Feel free to contact us for a no obligation, free quotation. We promise that no high pressure salesman will call.